:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

[data-theme="light"] {
    --bg: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --surface: #ffffff;
    --surface-hover: #f9fafb;
    --text: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border: #e5e7eb;
    --border-hover: #d1d5db;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --surface: #1e293b;
    --surface-hover: #334155;
    --text: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border: #334155;
    --border-hover: #475569;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 0;
    margin: 0;
    transition: background-color 0.2s ease, color 0.2s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 16px;
    width: 100%;
    box-sizing: border-box;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.app-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-title i {
    color: var(--primary);
    font-size: 28px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.language-selector {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    box-shadow: var(--shadow-sm);
}

.language-toggle:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.language-toggle i {
    font-size: 16px;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    overflow: hidden;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.language-option:hover {
    background: var(--surface-hover);
}

.language-option.active {
    background: var(--primary);
    color: white;
}

.language-native {
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.language-option.active .language-native {
    color: rgba(255, 255, 255, 0.9);
}

[dir="rtl"] .language-option {
    text-align: right;
}

[dir="rtl"] .language-native {
    margin-left: 0;
    margin-right: 8px;
}

[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .header-actions {
    flex-direction: row-reverse;
}

[dir="rtl"] .app-title {
    flex-direction: row-reverse;
}

[dir="rtl"] .nav-tabs-wrapper {
    direction: rtl;
}

[dir="rtl"] .form-label i,
[dir="rtl"] .switch-label i,
[dir="rtl"] .section-title i {
    margin-left: 8px;
    margin-right: 0;
}

[dir="rtl"] .language-dropdown {
    right: auto;
    left: 0;
}

/* Subscription Activation Page Styles */
.subscription-activation-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 20px;
    animation: fadeIn 0.4s ease-in-out;
}

.subscription-activation-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px 32px;
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.subscription-activation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #3b82f6, var(--primary));
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.activation-icon-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.activation-icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    opacity: 0.12;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.15; }
}

.activation-icon {
    position: relative;
    font-size: 48px;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1;
    animation: iconFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.2));
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.activation-header {
    text-align: center;
    margin-bottom: 40px;
}

.activation-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.3;
}

.activation-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.activation-form {
    margin-bottom: 24px;
}

.activation-input-wrapper {
    position: relative;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.activation-input-icon {
    position: absolute;
    left: 18px;
    color: var(--text-tertiary);
    font-size: 18px;
    z-index: 2;
    transition: color 0.2s ease;
    pointer-events: none;
}

.activation-input-wrapper.focused .activation-input-icon,
.activation-input-wrapper .activation-input.has-value ~ .activation-input-icon {
    color: var(--primary);
}

.activation-input {
    width: 100%;
    padding: 16px 50px 16px 50px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    transition: all 0.3s ease;
    outline: none;
    font-family: 'Courier New', monospace;
}

.activation-input::placeholder {
    color: var(--text-tertiary);
    letter-spacing: 1px;
    text-transform: none;
    font-weight: 400;
}

.activation-input:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.activation-input.has-value {
    border-color: var(--primary);
    background: var(--surface);
}

.activation-clear-btn {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 50%;
    width: 28px;
    height: 28px;
}

.activation-clear-btn:hover {
    color: var(--danger);
    background: var(--bg-secondary);
    transform: scale(1.1);
}

.activation-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.activation-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, #1d4ed8, var(--primary));
}

.activation-btn:active:not(:disabled) {
    transform: translateY(0);
}

.activation-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.activation-btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.3s ease;
}

.activation-btn:disabled .activation-btn-content {
    opacity: 0;
}

.activation-btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 6px;
    align-items: center;
}

.activation-btn-loader.hidden {
    display: none;
}

.spinner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    animation: spinnerBounce 1.4s ease-in-out infinite both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes spinnerBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.activation-message {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 12px 16px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.activation-message-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.activation-message-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.activation-message-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
}

.activation-message-content i {
    font-size: 18px;
}


.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.fade-out {
    animation: fadeOut 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .subscription-activation-card {
        padding: 32px 24px;
        border-radius: 20px;
    }
    
    .activation-icon-wrapper {
        width: 80px;
        height: 80px;
        margin-bottom: 24px;
    }
    
    .activation-icon {
        font-size: 40px;
    }
    
    .activation-title {
        font-size: 20px;
    }
    
    .activation-subtitle {
        font-size: 14px;
    }
    
    .activation-input {
        padding: 14px 45px 14px 45px;
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .activation-features {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .subscription-activation-container {
        padding: 12px;
    }
    
    .subscription-activation-card {
        padding: 24px 20px;
    }
    
    .activation-input {
        padding: 12px 40px 12px 40px;
        font-size: 13px;
    }
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.theme-toggle i {
    font-size: 16px;
}

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

.nav-tabs {
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.nav-tabs-wrapper {
    display: flex;
    gap: 8px;
    background: var(--surface);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    scroll-padding: 0 50%;
}

.nav-tabs-wrapper::-webkit-scrollbar {
    height: 6px;
}

.nav-tabs-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.nav-tabs-wrapper::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.nav-tabs-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

.sidebar {
    display: none;
}

@media (min-width: 769px) {
    .sidebar {
        display: none !important;
    }
}

.nav-tab {
    flex: 0 0 auto;
    min-width: 80px;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.nav-tab:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.nav-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.nav-tab i {
    font-size: 16px;
}

.content-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.content-card:hover {
    box-shadow: var(--shadow-md);
}

.card-section {
    margin-bottom: 24px;
}

.card-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title i {
    color: var(--primary);
    font-size: 18px;
}

.save-indicator {
    margin-left: auto;
    font-size: 16px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.save-indicator.saving {
    color: var(--primary);
    animation: pulse 1.5s ease-in-out infinite;
}

.save-indicator.saved {
    color: var(--success);
    animation: fadeInScale 0.3s ease;
}

.save-indicator.error {
    color: var(--danger);
    animation: fadeInScale 0.3s ease;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.form-group {
    margin-bottom: 20px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-row.dual-input-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
    margin-bottom: 20px;
    width: 100%;
    flex-direction: unset !important;
}

.form-row.dual-input-row:last-child {
    margin-bottom: 0;
}

.form-row.dual-input-row .form-group {
    margin-bottom: 0 !important;
    width: 100%;
    min-width: 0;
}

.form-row.dual-input-row .form-group.hidden {
    display: none !important;
}

.form-row.dual-input-row .form-group:not(.hidden):only-child {
    grid-column: 1 / -1;
}


@media (max-width: 480px) {
    .form-row.dual-input-row {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }
    
    .form-row.dual-input-row .form-group {
        margin-bottom: 0 !important;
    }
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-label i {
    margin-right: 6px;
    color: var(--text-secondary);
}

.form-help {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    line-height: 1.4;
}

.form-control,
.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    transition: all 0.2s ease;
    box-sizing: border-box;
    height: 44px;
    line-height: 20px;
}

.form-control:focus,
.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder,
.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input {
    font-family: inherit;
}

.form-input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.form-input[type="number"]::-webkit-outer-spin-button,
.form-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

.form-select {
    padding-right: 40px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23cbd5e1' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

.form-group[style*="opacity: 0.5"] {
    transition: opacity 0.3s ease;
}

.form-group[style*="opacity: 0.5"] .form-label {
    opacity: 0.5;
    cursor: not-allowed;
    transition: opacity 0.3s ease;
}

.switch-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 0;
}

.switch-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    user-select: none;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider {
    background: var(--primary);
}

.switch input:checked + .switch-slider:before {
    transform: translateX(20px);
}

.switch-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.proxy-info-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.proxy-info-badge i {
    color: var(--primary);
    font-size: 16px;
}

.proxy-info-badge.hidden {
    display: none;
}

.btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-upload {
    width: 100%;
    margin-top: 12px;
    padding: 12px 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-upload i {
    font-size: 16px;
}

.btn-upload:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid;
    text-align: center;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--text);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--text);
}

.alert i {
    font-size: 18px;
    flex-shrink: 0;
}

.alert span {
    flex: 1;
}

.alert-success i {
    color: var(--success);
}

.alert-danger i {
    color: var(--danger);
}

.access-denied-card {
    text-align: center;
    padding: 48px 24px;
}

.access-denied-content {
    max-width: 400px;
    margin: 0 auto;
}

.access-denied-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.access-denied-icon i {
    font-size: 40px;
    color: var(--danger);
}

.access-denied-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.access-denied-message {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 12px 10px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    * {
        max-width: 100%;
    }
    
    body {
        overflow-x: hidden;
    }

    .app-header {
        align-items: flex-start;
        gap: 12px;
        position: relative;
        margin-bottom: 20px;
        padding-bottom: 16px;
        flex-wrap: wrap;
    }

    .app-title {
        font-size: 20px;
    }

    .theme-toggle {
        padding: 8px 12px;
        font-size: 13px;
    }

    .theme-toggle span {
        display: none;
    }

    .content-card {
        padding: 14px;
        overflow-x: hidden;
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    
    .card-section {
        padding: 0;
        width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }

    .sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: -260px;
        width: 260px;
        height: 100vh;
        z-index: 1000;
        background: var(--surface);
        border-right: 1px solid var(--border);
        box-shadow: 2px 0 16px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform: translateX(0);
        overflow: hidden;
        flex-direction: column;
    }

    .sidebar.active {
        display: flex;
        transform: translateX(0);
        left: 0;
    }
    
    .sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 20px;
        border-bottom: 1px solid var(--border);
        background: var(--surface);
        flex-shrink: 0;
    }
    
    .sidebar-title {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
    }
    
    .sidebar-title i {
        font-size: 18px;
        color: var(--primary);
    }
    
    .sidebar-close {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: var(--text-secondary);
        font-size: 20px;
        cursor: pointer;
        border-radius: 6px;
        transition: all 0.2s ease;
        padding: 0;
    }
    
    .sidebar-close:hover {
        background: var(--surface-hover);
        color: var(--text);
    }

    .sidebar-nav {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 8px 0;
    }
    
    .sidebar-nav::-webkit-scrollbar {
        width: 6px;
    }
    
    .sidebar-nav::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .sidebar-nav::-webkit-scrollbar-thumb {
        background: var(--border);
        border-radius: 3px;
    }
    
    .sidebar-nav::-webkit-scrollbar-thumb:hover {
        background: var(--border-hover);
    }
    
    .sidebar-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 20px;
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
        transition: all 0.2s ease;
        position: relative;
        border-left: 3px solid transparent;
    }
    
    .sidebar-item i {
        font-size: 18px;
        width: 20px;
        text-align: center;
        color: var(--text-tertiary);
        transition: color 0.2s ease;
    }
    
    .sidebar-item:hover {
        background: var(--surface-hover);
        color: var(--text);
    }
    
    .sidebar-item:hover i {
        color: var(--text-secondary);
    }
    
    .sidebar-item.active {
        background: var(--primary);
        color: white;
        border-left-color: var(--primary-dark);
    }
    
    .sidebar-item.active i {
        color: white;
    }

    .nav-tab span {
        display: inline;
    }

    .data-file-item {
        flex-direction: row;
        align-items: center;
    }

    .data-file-item .btn {
        width: auto;
        /* min-width: 44px; */
        padding: 10px;
    }

    .data-file-item .btn span {
        display: none;
    }

    .data-file-item .btn i {
        margin: 0;
    }
}

.proxy-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.proxy-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text);
}

.proxy-info-item i {
    color: var(--primary);
    font-size: 18px;
}

.proxy-info-item strong {
    color: var(--primary);
    font-size: 16px;
    font-weight: 600;
}

.file-upload-area {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border: 2px dashed var(--border);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.file-upload-area:hover {
    border-color: var(--primary);
    background: var(--surface-hover);
}

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.file-upload-label:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.file-upload-label i {
    font-size: 16px;
}

.file-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.upload-tab {
    flex: 1;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.upload-tab:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.upload-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.upload-tab i {
    font-size: 16px;
}

.proxy-count-badge {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 11px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    margin-left: 6px;
    line-height: 1;
}

.upload-tab:not(.active) .proxy-count-badge {
    background: var(--primary);
    color: white;
}

.upload-tab.active .proxy-count-badge {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.upload-content {
    animation: fadeIn 0.2s ease;
}

.manual-input-wrapper {
    position: relative;
}

.manual-proxy-textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    resize: vertical;
    min-height: 180px;
    transition: all 0.2s ease;
}

.manual-proxy-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.manual-proxy-textarea::placeholder {
    color: var(--text-tertiary);
}

.textarea-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    padding: 0 4px;
}

.proxy-count-preview {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.proxy-count-preview.has-proxies {
    color: var(--primary);
}

@media (max-width: 480px) {
    .app-container {
        padding: 10px 8px;
    }
    
    .content-card {
        padding: 14px;
    }
    
    .user-data-compact-card {
        padding: 10px;
        margin-top: 10px;
        margin-left: 0;
        margin-right: 0;
    }
    
    .user-data-row {
        padding: 10px 0;
        gap: 8px;
        margin: 0;
        width: 100%;
    }
    
    .user-data-row:hover {
        margin: 0;
        padding: 10px 0;
        background: transparent;
    }
    
    .user-data-label {
        font-size: 13px;
        gap: 6px;
        width: 100%;
    }
    
    .user-data-label i {
        font-size: 14px;
    }
    
    .user-data-label span {
        white-space: normal;
    }
    
    .user-data-select {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 100% !important;
        font-size: 13px;
        padding: 9px 10px;
        box-sizing: border-box;
    }
    
    .section-title {
        font-size: 16px;
        margin-bottom: 12px;
    }
    
    .section-title i {
        font-size: 18px;
    }
    
    .file-info-compact {
        padding: 10px;
        gap: 8px;
    }
    
    .file-info-compact i {
        font-size: 16px;
    }
    
    .file-info-text {
        font-size: 11px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .form-label {
        font-size: 12px;
    }
    
    .form-control,
    .form-input,
    .form-select {
        font-size: 12px;
        padding: 8px 10px;
        height: 36px;
        line-height: 20px;
    }
    
    .form-select {
        padding-right: 32px;
        background-size: 14px;
        background-position: right 8px center;
    }
    
    .nav-tab {
        padding: 10px 14px;
        font-size: 13px;
    }

    .file-upload-area {
        flex-direction: column;
        align-items: stretch;
    }

    .file-upload-label {
        width: 100%;
        justify-content: center;
    }
    
    .app-title {
        font-size: 18px;
    }
    
    .app-title i {
        font-size: 20px;
    }
}

.data-files-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.data-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s ease;
    gap: 12px;
}

.data-file-item:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.data-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.data-file-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 10px;
    font-size: 18px;
}

.data-file-details {
    flex: 1;
}

.data-file-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.data-file-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.data-file-item.loading {
    pointer-events: none;
}

.data-file-skeleton {
    width: 100%;
    height: 60px;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 12px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Channel Management Styles */
.channels-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.channels-header .form-label {
    margin-bottom: 0;
}

.channels-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.channels-empty,
.channels-error {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px dashed var(--border);
}

.channel-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s ease;
    gap: 12px;
}

.channel-item:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.channel-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.channel-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 10px;
    font-size: 18px;
    flex-shrink: 0;
}

.channel-details {
    flex: 1;
    min-width: 0;
}

.channel-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.channel-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.channel-type,
.channel-privacy,
.channel-username {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.channel-separator {
    color: var(--text-tertiary);
}

.channel-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.btn-icon:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    color: var(--text);
}

.btn-icon.btn-edit:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-icon.btn-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    height: auto;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal-content {
    position: relative;
    background: var(--surface);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
    z-index: 1001;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.modal-title i {
    color: var(--primary);
    font-size: 20px;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.data-file-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.data-file-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.data-file-tab:hover {
    color: var(--text);
    background: var(--bg-secondary);
}

.data-file-tab.active {
    color: var(--primary);
    font-weight: 500;
}

.data-file-tab.active::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px 2px 0 0;
}

.data-file-tab-content {
    display: none;
    animation: fadeIn 0.2s ease;
}

.data-file-tab-content.active {
    display: block;
}

.data-file-viewer {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.data-file-viewer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-file-count {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.data-file-content-view {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13px;
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    resize: vertical;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.data-file-upload-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.data-file-count-preview {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.proxy-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.proxy-section-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
}

.proxy-section-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.proxy-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    margin: -20px -20px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.proxy-section-header:hover {
    background: var(--surface-hover);
}

.proxy-section-header .header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.proxy-section-header i {
    font-size: 20px;
    color: var(--primary);
}

.proxy-section-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.collapse-icon {
    font-size: 18px;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.proxy-section-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 20px;
    max-height: 2000px;
    overflow: hidden;
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.proxy-section-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin: 0;
    opacity: 0;
}

.check-proxy-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn-check {
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.check-result {
    margin-top: 16px;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    animation: slideDown 0.3s ease;
}

.check-result.valid {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.check-result.invalid {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

.result-icon {
    font-size: 32px;
    margin-bottom: 12px;
    text-align: center;
}

.check-result.valid .result-icon {
    color: var(--success);
}

.check-result.invalid .result-icon {
    color: var(--danger);
}

.result-message {
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text);
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.check-proxy-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.check-tab {
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.check-tab:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.check-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.check-proxy-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.file-check-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.file-check-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.file-check-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.proxies-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
}

.proxy-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.proxy-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.proxy-item.valid {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.05);
}

.proxy-item.invalid {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

.proxy-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    overflow: hidden;
}

.proxy-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.proxy-number {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 600;
    min-width: 30px;
}

.proxy-address {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    font-family: 'Courier New', monospace;
    word-break: break-all;
    overflow-wrap: break-word;
}

.proxy-item-details {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 42px;
}

.proxy-username {
    font-family: 'Courier New', monospace;
}

.btn-check-item {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-success {
    background: var(--success) !important;
    color: white !important;
}

.btn-danger {
    background: var(--danger) !important;
    color: white !important;
}

.proxy-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 8px;
    padding: 6px 12px;
    background: var(--text);
    color: var(--bg);
    font-size: 12px;
    border-radius: 6px;
    white-space: nowrap;
    z-index: 10;
    animation: fadeIn 0.2s ease;
}

.proxy-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--text);
}

.empty-state, .loading-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i, .loading-state i {
    font-size: 48px;
    margin-bottom: 12px;
    color: var(--text-tertiary);
}

.empty-state.error {
    color: var(--danger);
}

.empty-state.error i {
    color: var(--danger);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .proxy-sections {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 16px;
    }
    
    .proxy-section-card {
        padding: 16px;
        overflow-x: hidden;
    }
    
    .proxy-section-header {
        padding: 12px 16px;
        margin: -16px -16px 0;
    }
    
    .proxy-section-content {
        padding-top: 16px;
    }
    
    .file-check-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .file-check-header .btn {
        width: 100%;
    }
    
    .proxy-item {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .btn-check-item {
        width: 100%;
        margin-top: 8px;
    }
    
    .proxies-list {
        max-height: 300px;
    }
    
    .modal-content {
        max-width: 100%;
        max-height: 95vh;
        margin: 10px;
    }
    
    .modal-header {
        padding: 16px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .data-file-tabs {
        flex-wrap: wrap;
    }
    
    .field-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .field-mode-select {
        width: 100%;
    }
    
    .user-data-compact-card {
        padding: 12px;
        margin-top: 12px;
        margin-left: 0;
        margin-right: 0;
    }
    
    .user-data-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 0;
        margin: 0;
        width: 100%;
    }
    
    .user-data-row:hover {
        margin: 0;
        padding: 12px 0;
        background: transparent;
    }
    
    .user-data-label {
        font-size: 14px;
        gap: 8px;
        width: 100%;
    }
    
    .user-data-label i {
        font-size: 15px;
    }
    
    .user-data-label span {
        white-space: normal;
    }
    
    .user-data-select {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 100% !important;
        font-size: 14px;
        padding: 10px 12px;
        box-sizing: border-box;
    }
    
    .user-data-file-info {
        margin-top: 10px;
    }
    
    .file-info-compact {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 10px;
    }
    
    .file-info-compact i {
        font-size: 16px;
    }
    
    .file-info-text {
        font-size: 12px;
        line-height: 1.4;
    }
    
    .file-info-compact .btn {
        width: 100%;
        justify-content: center;
        font-size: 12px;
        padding: 7px 10px;
    }
    
    .card-section {
        padding: 0;
    }
    
    .section-title {
        font-size: 17px;
        margin-bottom: 14px;
    }
    
    .section-title i {
        font-size: 18px;
    }
    
    .form-group {
        margin-bottom: 14px;
    }
    
    .form-label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .form-label i {
        font-size: 14px;
    }
    
    .form-control,
    .form-input,
    .form-select {
        font-size: 13px;
        padding: 8px 10px;
        height: 38px;
        line-height: 22px;
    }
    
    .form-select {
        padding-right: 36px;
        background-size: 15px;
        background-position: right 10px center;
    }
    
    .content-card {
        padding: 14px;
    }
}

.user-data-compact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-top: 20px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.user-data-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.user-data-row:last-child {
    border-bottom: none;
}

.user-data-row:hover {
    background: var(--bg-secondary);
    margin: 0 -8px;
    padding: 12px 8px;
    border-radius: 8px;
}

.subscription-keys-card {
    max-width: 100%;
}

.subscription-keys-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.subscription-keys-header .section-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
}

.btn-create-key {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.btn-create-key i {
    font-size: 16px;
}

.subscription-keys-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.subscription-key-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.2s ease;
    position: relative;
}

.subscription-key-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.subscription-key-item.used {
    opacity: 0.75;
    background: var(--bg-primary);
}

.key-item-main {
    flex: 1;
}

.key-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 10px;
}

.key-code-wrapper {
    flex: 1;
    min-width: 0;
}

.key-code {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-primary);
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.key-code i {
    color: var(--primary-color);
    font-size: 14px;
    flex-shrink: 0;
}

.key-code code {
    font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    word-break: break-all;
    background: transparent;
    border: none;
    padding: 0;
}

.key-copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.key-copy-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.key-copy-btn:active {
    transform: scale(0.9);
}

.key-copy-btn i {
    font-size: 14px;
}

.key-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    white-space: nowrap;
}

.key-status.used {
    background: rgba(220, 53, 69, 0.12);
    color: #dc3545;
}

.key-status.unused {
    background: rgba(40, 167, 69, 0.12);
    color: #28a745;
}

.key-item-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.key-detail {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 12px;
}

.key-detail i {
    font-size: 12px;
    color: var(--text-tertiary);
    width: 14px;
    text-align: center;
}

.key-item-actions {
    display: flex;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.key-delete-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    width: 100%;
    justify-content: center;
}

.key-delete-btn i {
    font-size: 13px;
}

.modal-content-keys {
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-footer-keys {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.modal-footer-keys .btn {
    min-width: 100px;
    padding: 10px 20px;
    font-size: 14px;
}

.btn-outline-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

.key-input {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
    font-size: 13px;
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    display: block;
}

.empty-state p {
    margin: 0;
    font-size: 16px;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
    color: var(--text-secondary);
}

.loading-state .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .subscription-keys-header {
        flex-wrap: wrap;
    }
    
    .subscription-keys-header .section-title {
        font-size: 16px;
    }
    
    .btn-create-key {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .subscription-keys-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .subscription-key-item {
        padding: 12px;
    }
    
    .key-code code {
        font-size: 11px;
        letter-spacing: 1px;
    }
    
    .key-detail {
        font-size: 11px;
    }
    
    .modal-content-keys {
        max-width: 95%;
        margin: 10px auto;
        max-height: 95vh;
    }
    
    .modal-footer-keys {
        flex-direction: column-reverse;
    }
    
    .modal-footer-keys .btn {
        width: 100%;
    }
}

.user-data-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.user-data-label span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-data-label i {
    font-size: 16px;
    color: var(--primary);
    flex-shrink: 0;
}

.user-data-select {
    min-width: 120px;
    max-width: 140px;
    font-size: 13px;
    padding: 8px 10px;
    flex-shrink: 0;
    box-sizing: border-box;
    width: auto;
}

.user-data-file-info {
    margin-top: 16px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.user-data-file-info.fade-in {
    animation: fadeInSlideUp 0.3s ease forwards;
}

.user-data-file-info.fade-out {
    animation: fadeOutSlideDown 0.3s ease forwards;
}

@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOutSlideDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.file-info-compact {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--primary);
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

.file-info-compact i {
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.file-info-text {
    flex: 1;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.file-info-text strong {
    color: var(--primary);
    font-weight: 600;
}

.file-info-compact .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.manual-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.manual-textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
    transition: all 0.2s ease;
}

.manual-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.textarea-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.count-preview {
    font-weight: 500;
}

.file-info-card {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    align-items: flex-start;
}

.file-info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 10px;
    color: white;
    font-size: 20px;
}

.file-info-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-info-content h5 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.file-info-content p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.file-info-content strong {
    color: var(--primary);
    font-weight: 600;
}

.btn-goto-data {
    margin-top: 8px;
    align-self: flex-start;
}

.btn-save-manual {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* API Keys Styles */
.api-key-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.api-key-wrapper .form-control {
    padding-right: 40px;
}

.api-key-toggle {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
    z-index: 10;
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.api-key-toggle:hover {
    color: var(--text);
    background: var(--bg-tertiary);
}

.api-key-toggle:active {
    transform: scale(0.95);
}

.api-key-toggle i {
    font-size: 18px;
    pointer-events: none;
}

.api-balance {
    margin-left: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.api-balance.loading {
    color: var(--text-tertiary);
    font-style: italic;
}

.api-balance.success {
    color: var(--success);
}

.api-balance.error {
    color: var(--danger);
}

[dir="rtl"] .api-key-wrapper .form-control {
    padding-right: 12px;
    padding-left: 40px;
}

[dir="rtl"] .api-key-toggle {
    right: auto;
    left: 8px;
}

[dir="rtl"] .api-balance {
    margin-left: 0;
    margin-right: 8px;
}

.telethon-status-card {
    margin-bottom: 24px;
}

.telethon-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 0;
    transition: all 0.2s ease;
}

.telethon-header:hover {
    opacity: 0.8;
}

.telethon-header .section-title {
    margin-bottom: 0;
    cursor: pointer;
}

.telethon-header .collapse-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    font-size: 16px;
    margin-left: auto;
}

.telethon-header.active .collapse-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
}

.collapsible-content.expanded {
    max-height: 2000px;
    opacity: 1;
}

.telethon-value-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.telethon-value {
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-weight: 600;
    color: var(--primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 10px 40px 10px 14px;
    border-radius: 8px;
    min-height: 42px;
    display: flex;
    align-items: center;
    width: 100%;
}

.telethon-refresh-btn {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.telethon-refresh-btn:hover {
    color: var(--primary);
    background: var(--surface-hover);
}

.telethon-refresh-btn:active {
    transform: scale(0.95);
}

.telethon-refresh-btn i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.telethon-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.telethon-actions .btn {
    flex: 1;
    min-width: 120px;
}

.form-label {
    position: relative;
}

.btn-clear-terminal {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-radius: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.btn-clear-terminal:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.terminal-output {
    padding: 14px 16px;
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-top: 8px;
}

[data-theme="light"] .terminal-output {
    background: #1e1e1e;
    color: #d4d4d4;
}

[data-theme="dark"] .terminal-output {
    background: #0d1117;
    color: #c9d1d9;
}

.terminal-output::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.terminal-output::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.terminal-output::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.terminal-output::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.terminal-line {
    margin: 3px 0;
    padding: 2px 0;
    animation: fadeInLine 0.3s ease;
    transition: all 0.2s ease;
}

@keyframes fadeInLine {
    from {
        opacity: 0;
        transform: translateX(-5px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.terminal-success {
    color: #4ec9b0;
    font-weight: 500;
}

.terminal-info {
    color: #569cd6;
}

.terminal-warning {
    color: #dcdcaa;
    font-weight: 500;
}

.terminal-error {
    color: #f48771;
    font-weight: 600;
}

.terminal-notice {
    color: #ce9178;
    font-style: italic;
}

.terminal-package {
    color: #c586c0;
    font-weight: 600;
}

.terminal-command {
    color: #9cdcfe;
    font-weight: 500;
}

.terminal-path {
    color: #6a9955;
}

.terminal-line:hover {
    background: rgba(255, 255, 255, 0.03);
    padding-left: 4px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .telethon-actions {
        flex-direction: column;
    }
    
    .telethon-actions .btn {
        width: 100%;
    }
    
    .terminal-output {
        font-size: 12px;
        padding: 12px 14px;
        max-height: 300px;
    }
}