/**
 * Copy Afra - Smart & Secure Clipboard
 * Commercial Production-Ready CSS Architecture (style.css)
 */

/* ==========================================================================
   0. Artin Font-Face Declarations
   ========================================================================== */
@font-face {
    font-family: 'Artin';
    src: url('https://assets.afra.cc/font/Artin/Artin-Thin.woff2') format('woff2');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Artin';
    src: url('https://assets.afra.cc/font/Artin/Artin-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Artin';
    src: url('https://assets.afra.cc/font/Artin/Artin-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Artin';
    src: url('https://assets.afra.cc/font/Artin/Artin-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Artin';
    src: url('https://assets.afra.cc/font/Artin/Artin-Black.woff2') format('woff2');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   1. System Tokens & Core Variables
   ========================================================================== */
:root {
    /* Brand Colors */
    --primary: #0E71FA;
    --primary-hover: #0B5ED7;
    --primary-light: #EFF6FF;
    --primary-border: #BFDBFE;
    
    /* Neutral Shades */
    --secondary: #0F172A;
    --surface: #FFFFFF;
    --background: #F8FAFC;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --border-focus: #3B82F6;
    
    /* System Feedback States */
    --success: #10B981;
    --success-light: #ECFDF5;
    --error: #EF4444;
    --error-light: #FEF2F2;
    --warning: #F59E0B;
    --warning-light: #FFFBEB;
    
    /* Border Radius & Shadow Tokens */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
    --shadow-glow: 0 0 20px rgba(14, 113, 250, 0.15);
    
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. Document Reset & Global Typography
   ========================================================================== */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--background);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 24px 16px 48px 16px;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* اعمال یکپارچه فونت آرتین روی تمامی عناصر متنی و فرم‌ها */
body, 
input, 
textarea, 
button, 
select, 
optgroup, 
option {
    font-family: 'Artin', Tahoma, Arial, sans-serif !important;
}

/* هماهنگی وزن بدنه پیش‌فرض متون */
body {
    font-weight: 300;
}

/* Custom Webkit Scrollbars */
::-webkit-scrollbar { 
    width: 6px; 
    height: 6px; 
}
::-webkit-scrollbar-track { 
    background: transparent; 
}
::-webkit-scrollbar-thumb { 
    background: #CBD5E1; 
    border-radius: var(--radius-full); 
}
::-webkit-scrollbar-thumb:hover { 
    background: #94A3B8; 
}

/* Dynamic Helper Visibility Rules based on Authentication */
body:not(.user-logged-in) .logged-in-only { 
    display: none !important; 
}
body.user-logged-in .logged-in-only { 
    display: flex !important; 
}
body.user-logged-in .guest-only { 
    display: none !important; 
}

/* ==========================================================================
   3. App Container & Client Components
   ========================================================================== */
.app-container {
    width: 100%;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Header Component */
.header-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-icon {
    background: var(--primary);
    color: var(--surface);
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
}

.header-text h1 { 
    font-size: 1.35rem; 
    font-weight: 900;
    color: var(--secondary); 
    letter-spacing: -0.5px; 
}

.header-text p { 
    font-size: 0.85rem; 
    color: var(--text-muted); 
    font-weight: 300;
    margin-top: 2px; 
}

/* Landing Panel Cards */
.landing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.landing-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 900;
    color: var(--secondary);
}

.landing-card-title .fal {
    font-size: 18px;
    color: var(--primary);
}

/* Dynamic Stats Widgets (Dashboard view) */
.widgets-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 6px;
}

.widget-stat-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition-fast);
}

.widget-stat-item:hover {
    border-color: var(--primary-border);
    background: var(--surface);
}

.stat-num {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--primary);
}

.stat-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.3;
}

/* Scratchpad (Draft) Workspace Component */
.draft-textarea {
    min-height: 90px !important;
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.5;
}

.draft-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

/* Real-time synchronization indicator */
.sync-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    display: inline-block;
    position: relative;
    flex-shrink: 0;
}

.sync-indicator.active {
    background: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.sync-indicator.active::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--success);
    animation: pulseSync 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
    top: 0;
    left: 0;
}

@keyframes pulseSync {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* ==========================================================================
   4. Buttons & Dynamic Interface Elements
   ========================================================================== */
.btn {
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 12px;
    font-size: 0.95rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 100%;
    text-decoration: none;
    user-select: none;
    white-space: nowrap;
}

.btn:active:not(:disabled) { 
    transform: scale(0.97); 
}
.btn:disabled { 
    opacity: 0.65; 
    cursor: not-allowed; 
}
.btn .fal { 
    font-size: 18px; 
}

.btn-primary {
    background: var(--primary);
    color: var(--surface);
    box-shadow: 0 4px 12px rgba(14, 113, 250, 0.25);
}
.btn-primary:hover:not(:disabled) { 
    background: var(--primary-hover); 
}

.btn-secondary {
    background: var(--primary-light);
    color: var(--primary);
}
.btn-secondary:hover:not(:disabled) { 
    background: var(--primary-border); 
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-muted);
}
.btn-outline:hover:not(:disabled) {
    border-color: var(--text-main);
    color: var(--text-main);
}

.btn-manage {
    background: var(--surface);
    border: 1.5px solid var(--border);
    color: var(--text-main);
    width: 100%;
}
.btn-manage:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.btn-logout {
    background: var(--error-light);
    color: var(--error);
}
.btn-logout:hover:not(:disabled) {
    background: var(--error);
    color: var(--surface);
}

.btn-group { 
    display: flex; 
    gap: 12px; 
    width: 100%; 
}
.btn-group .btn { 
    flex: 1; 
}

.actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

body.user-logged-in .actions-grid {
    grid-template-columns: 1fr;
}

/* ==========================================================================
   5. Interactive Inputs & Custom Controls
   ========================================================================== */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 900;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.input-label .fal {
    font-size: 16px;
    color: var(--primary);
}

.form-control {
    width: 100%;
    background: var(--background);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--text-main);
    transition: var(--transition-fast);
    outline: none;
}

.form-control::placeholder { 
    color: #94A3B8; 
    font-weight: 300;
}

.form-control:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(14, 113, 250, 0.1);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

/* Chip Choices Wrapper */
.chips-wrapper { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
}

.chip {
    background: var(--background);
    border: 1.5px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
}

.chip.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--surface);
    font-weight: 900;
    box-shadow: var(--shadow-sm);
}

/* Switch UI Control */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--background);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.toggle-info { 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    font-weight: 900;
    font-size: 0.9rem; 
    color: var(--text-main);
}

.toggle-info .fal { 
    color: var(--primary); 
    font-size: 18px; 
}

.toggle-switch {
    width: 48px;
    height: 26px;
    background: #CBD5E1;
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: var(--transition-normal);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: var(--surface);
    border-radius: 50%;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active { 
    background: var(--primary); 
}
.toggle-switch.active::after { 
    transform: translateX(22px); 
}

/* Graphic Captcha Wrapper */
.captcha-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
    width: 100%;
}

.captcha-img-box {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border: 1.5px solid var(--primary-border);
    border-radius: var(--radius-md);
    height: 52px;
    width: 140px;
    flex-shrink: 0;
    overflow: hidden;
    transition: var(--transition-fast);
}

.captcha-img-box:hover { 
    border-color: var(--primary); 
}
.captcha-img { 
    height: 100%; 
    width: 100%; 
    object-fit: cover; 
}

/* ==========================================================================
   6. Content Presentation Panels
   ========================================================================== */
.benefits-list { 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.6;
    font-weight: 300;
    color: var(--text-main);
}

.benefit-item .fal {
    color: var(--success);
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.security-badge-row { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-hover);
}

.security-badge .fal { 
    font-size: 14px; 
}

/* Landing Welcome (Status) Header */
.status-box {
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    padding: 16px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 14px;
    animation: slideUp 0.3s ease forwards;
}

.status-box .fal { 
    color: var(--primary); 
    font-size: 28px; 
}
.status-box div h4 { 
    color: var(--secondary); 
    font-size: 0.95rem; 
    font-weight: 900; 
}
.status-box div p { 
    color: var(--primary-hover); 
    font-size: 0.85rem; 
    margin-top: 2px; 
    font-weight: 300; 
}

/* ==========================================================================
   7. Router View Elements & Main Workspace Area
   ========================================================================== */
.main-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    min-height: 350px;
    display: none;
}

.page {
    display: none;
    flex-direction: column;
    gap: 20px;
    animation: fadeIn 0.3s ease forwards;
}

.page.active { 
    display: flex; 
}

.view-clip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.view-clip-header .fal { 
    color: var(--primary); 
}

/* Clip Display Box & Copy FAB Control */
.result-box {
    position: relative;
    background: var(--background);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.copy-fab {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.copy-fab:hover {
    background: var(--primary);
    color: var(--surface);
    border-color: var(--primary);
    transform: scale(1.05);
}

.result-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
    font-weight: 300;
    white-space: pre-wrap;
    word-break: break-all;
    padding-left: 48px;
}

.result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px dashed var(--border);
    padding-top: 16px;
    margin-top: 8px;
}

.result-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--surface);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-weight: 300;
}

/* ==========================================================================
   8. Custom Multi-Step & Responsive Layout Styles (Step Indicators)
   ========================================================================== */
.step-indicators-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 0 4px;
    position: relative;
}

.step-indicators-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border);
    z-index: 1;
    transform: translateY(-50%);
}

.step-indicator-node {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--background);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
    transition: all var(--transition-normal);
}

.step-indicator-node .fal {
    font-size: 18px;
}

/* وضعیت‌های مختلف نودهای مراحل */
.step-indicator-node.active {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: 0 0 0 4px rgba(14, 113, 250, 0.15);
}

.step-indicator-node.completed {
    border-color: var(--success);
    background: var(--success-light);
    color: var(--success);
}

/* انیمیشن و وضعیت نمایش پنل‌های مراحل */
.form-step-panel {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.form-step-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* دکمه‌های ناوبری بین مراحل */
.step-nav-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* ==========================================================================
   9. Custom List Items (Recent & Devices Views)
   ========================================================================== */
.recent-clips-list, .device-sync-list { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
}

.recent-clip-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

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

.recent-clip-info { 
    display: flex; 
    flex-direction: column; 
    gap: 4px; 
}

.recent-clip-code {
    font-family: 'Artin', monospace;
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--secondary);
    letter-spacing: 1px;
}

.recent-clip-title {
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 300;
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sync display filters inside authentications */
.user-logged-in .recent-clip-code,
.user-logged-in .manage-card-code {
    display: none !important;
}

.device-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.device-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 900;
    color: var(--text-main);
}

.device-name .fal {
    font-size: 18px;
    color: var(--text-muted);
}

.device-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 300;
}

/* ==========================================================================
   10. Clip Management Section
   ========================================================================== */
.manage-cards-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 450px;
    overflow-y: auto;
    padding-right: 4px;
}

.manage-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-fast);
}

.manage-card:hover { 
    border-color: var(--border-focus); 
}

.manage-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.manage-card-code {
    font-family: 'Artin', monospace;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--secondary);
    letter-spacing: 2px;
}

.manage-card-title {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-main);
    line-height: 1.5;
}

.manage-card-meta { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
    font-size: 0.75rem; 
    color: var(--text-muted); 
}

.manage-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--surface);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-weight: 300;
}

.manage-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    border-top: 1px dashed var(--border);
    padding-top: 12px;
}

.manage-action-btn {
    flex: 1;
    padding: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-main);
}

.manage-action-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-border);
}

.manage-action-btn.danger:hover {
    background: var(--error-light);
    color: var(--error);
    border-color: #FECACA;
}

/* ==========================================================================
   11. "Open Clipboard with Code" PIN Elements
   ========================================================================== */
.pin-input-centered {
    display: block;
    width: 100%;
    text-align: center;
    font-family: 'Artin', monospace, system-ui;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 12px;
    text-indent: 12px;
    padding: 12px 10px;
    color: var(--primary);
    direction: ltr;
    text-transform: uppercase;
    background-color: var(--primary-light);
    border: 2px solid rgba(14, 113, 250, 0.2);
    border-radius: var(--radius-md);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.pin-input-centered::placeholder {
    color: #A5C7FE;
    letter-spacing: 12px;
    font-weight: 300;
}

.pin-input-centered:focus {
    border-color: var(--primary);
    background-color: var(--surface);
    box-shadow: 0 0 0 4px rgba(14, 113, 250, 0.15);
}

.icon-pin-badge {
    font-size: 32px;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(14, 113, 250, 0.1);
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
    width: fit-content;
}

/* ==========================================================================
   12. Toast Notification System (Snackbar)
   ========================================================================== */
.snackbar {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    opacity: 0;
    visibility: hidden;
    background: var(--secondary);
    color: var(--surface);
    padding: 14px 24px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 700;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease, visibility 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: none;
    white-space: nowrap;
    max-width: 90vw;
}

.snackbar.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.snackbar .fal { 
    font-size: 20px; 
}

/* ==========================================================================
   13. Admin Panel Layout Definitions
   ========================================================================== */
.admin-body {
    background-color: var(--background);
    color: var(--text-main);
    padding: 24px;
    display: block;
    max-width: none;
}

.admin-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Admin Auth Card */
.admin-login-card {
    max-width: 420px;
    width: 100%;
    margin: 10vh auto;
    background: var(--surface);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.admin-login-header { 
    text-align: center; 
    margin-bottom: 32px; 
}
.admin-login-header span { 
    font-size: 56px; 
    color: var(--primary); 
}
.admin-login-header h2 { 
    font-size: 1.6rem; 
    font-weight: 900; 
    color: var(--secondary); 
    margin-top: 12px; 
}

.admin-form-group { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
    margin-bottom: 20px; 
}
.admin-form-label { 
    font-size: 0.9rem; 
    font-weight: 700; 
    color: var(--text-main); 
}
.admin-form-input {
    width: 100%; 
    background: var(--background); 
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md); 
    padding: 14px 16px; 
    font-size: 1rem;
    font-weight: 300; 
    outline: none; 
    transition: var(--transition-fast);
}
.admin-form-input:focus { 
    border-color: var(--primary); 
    background: var(--surface); 
    box-shadow: 0 0 0 4px rgba(14, 113, 250, 0.1); 
}

.admin-btn-submit {
    width: 100%; 
    background: var(--primary); 
    color: var(--surface); 
    border: none;
    padding: 16px; 
    border-radius: var(--radius-md); 
    font-weight: 900; 
    font-size: 1rem;
    cursor: pointer; 
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(14, 113, 250, 0.25);
}
.admin-btn-submit:hover { 
    background: var(--primary-hover); 
}

.admin-alert {
    background-color: var(--error-light); 
    color: var(--error); 
    padding: 16px;
    border-radius: var(--radius-md); 
    font-size: 0.9rem; 
    font-weight: 700;
    margin-bottom: 24px; 
    text-align: center; 
    border: 1px solid #FECACA;
}

/* Dashboard Top Navigation bar */
.admin-navbar {
    background: var(--surface); 
    padding: 24px; 
    border-radius: var(--radius-lg);
    border: 1px solid var(--border); 
    display: flex; 
    justify-content: space-between;
    align-items: center; 
    box-shadow: var(--shadow-sm); 
    flex-wrap: wrap; 
    gap: 16px;
}
.admin-navbar-title { 
    display: flex; 
    align-items: center; 
    gap: 16px; 
}
.admin-navbar-icon {
    background-color: var(--primary-light); 
    color: var(--primary); 
    width: 56px; 
    height: 56px;
    border-radius: var(--radius-md); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 24px;
}
.admin-navbar-text h1 { 
    font-size: 1.4rem; 
    font-weight: 900; 
    color: var(--secondary); 
}
.admin-navbar-text p { 
    font-size: 0.9rem; 
    color: var(--text-muted); 
    font-weight: 300; 
    margin-top: 2px;
}

.admin-nav-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-btn-cache {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid #A7F3D0;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition-fast);
}
.admin-btn-cache:hover {
    background-color: var(--success);
    color: var(--surface);
}

.admin-btn-logout {
    background-color: var(--error-light); 
    color: var(--error); 
    border: none; 
    padding: 12px 20px;
    border-radius: var(--radius-md); 
    font-weight: 700; 
    font-size: 0.9rem;
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    text-decoration: none;
    transition: var(--transition-fast);
}
.admin-btn-logout:hover { 
    background-color: var(--error); 
    color: var(--surface); 
}

.admin-toast-success {
    background-color: var(--success-light); 
    border: 1px solid #A7F3D0; 
    color: var(--success);
    padding: 16px 20px; 
    border-radius: var(--radius-md); 
    font-weight: 700; 
    font-size: 0.95rem;
    display: flex; 
    align-items: center; 
    gap: 10px;
}
.admin-toast-success .fal { 
    font-size: 20px; 
}

/* Administrative Statistics Engine Grid */
.admin-stats-section { 
    display: flex; 
    flex-direction: column; 
    gap: 16px; 
}
.admin-section-title { 
    font-size: 1.1rem; 
    font-weight: 900; 
    color: var(--secondary); 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}
.admin-section-title span { 
    color: var(--primary); 
}

.admin-stats-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); 
    gap: 16px; 
}
.admin-stat-card {
    background: var(--surface); 
    padding: 24px; 
    border-radius: var(--radius-lg);
    border: 1px solid var(--border); 
    display: flex; 
    align-items: center; 
    gap: 20px;
    box-shadow: var(--shadow-sm); 
    transition: var(--transition-fast);
}
.admin-stat-card:hover { 
    border-color: var(--primary-border); 
    transform: translateY(-2px); 
}

.admin-stat-icon {
    width: 56px; 
    height: 56px; 
    border-radius: var(--radius-md); 
    background-color: var(--primary-light);
    color: var(--primary); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 24px; 
    flex-shrink: 0;
}
.admin-stat-icon-green { 
    background-color: var(--success-light); 
    color: var(--success); 
}

.admin-stat-info { 
    display: flex; 
    flex-direction: column; 
}
.admin-stat-value { 
    font-size: 1.6rem; 
    font-weight: 900; 
    color: var(--secondary); 
    line-height: 1.2; 
}
.admin-stat-label { 
    font-size: 0.85rem; 
    color: var(--text-muted); 
    font-weight: 300; 
    margin-top: 4px; 
}

/* Administrative Presentation Tables */
.admin-table-card {
    background: var(--surface); 
    border-radius: var(--radius-lg); 
    border: 1px solid var(--border);
    padding: 24px; 
    box-shadow: var(--shadow-sm);
}
.admin-table-card-header {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border); 
    padding-bottom: 16px;
    flex-wrap: wrap; 
    gap: 12px;
}
.admin-table-card-header h3 { 
    font-size: 1.2rem; 
    font-weight: 900; 
    color: var(--secondary); 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}
.admin-table-card-header h3 span { 
    color: var(--primary); 
}

.admin-search-form {
    display: flex;
    gap: 8px;
    align-items: center;
}
.admin-search-form .admin-form-input {
    width: 220px;
    padding: 8px 14px;
    font-size: 0.85rem;
    height: 38px;
}
.admin-btn-search {
    background-color: var(--primary);
    color: var(--surface);
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    height: 38px;
    transition: var(--transition-fast);
}
.admin-btn-search:hover { 
    background-color: var(--primary-hover); 
}

.admin-btn-cancel {
    background-color: var(--error-light);
    color: var(--error);
    border: 1px solid #FECACA;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    transition: var(--transition-fast);
}
.admin-btn-cancel:hover { 
    background-color: var(--error); 
    color: var(--surface); 
}

.admin-table-wrapper { 
    width: 100%; 
    overflow-x: auto; 
}
.admin-data-table { 
    width: 100%; 
    border-collapse: collapse; 
    text-align: right; 
    font-size: 0.9rem; 
    min-width: 800px; 
}
.admin-data-table th { 
    background-color: var(--background); 
    padding: 14px 16px; 
    font-weight: 900; 
    color: var(--secondary); 
    border-bottom: 2px solid var(--border); 
}
.admin-data-table td { 
    padding: 16px; 
    border-bottom: 1px solid var(--border); 
    color: var(--text-main); 
    font-weight: 300; 
    vertical-align: middle; 
}
.admin-data-table tbody tr:hover { 
    background-color: var(--background); 
}
.admin-table-empty { 
    text-align: center; 
    padding: 32px !important; 
    color: var(--text-muted); 
    font-weight: 700; 
    font-size: 1rem; 
}

.admin-td-bold { 
    font-weight: 900; 
    color: var(--secondary); 
}
.admin-td-ltr { 
    text-align: right; 
    font-family: 'Artin', sans-serif; 
    font-size: 0.95rem; 
    font-weight: 300; 
}
.admin-td-code { 
    font-family: 'Artin', sans-serif; 
    font-size: 1.15rem; 
    font-weight: 900; 
    color: var(--primary); 
    letter-spacing: 2px; 
}
.admin-td-actions { 
    display: flex; 
    gap: 8px; 
    border: none; 
}

/* Administrative Badge Components */
.admin-badge { 
    padding: 6px 12px; 
    border-radius: var(--radius-full); 
    font-size: 0.75rem; 
    font-weight: 900; 
    display: inline-flex; 
    align-items: center; 
    gap: 4px; 
}
.admin-badge span { 
    font-size: 14px; 
}

.admin-badge-active { 
    background-color: var(--success-light); 
    color: var(--success); 
    border: 1px solid #A7F3D0; 
}
.admin-badge-deactivated { 
    background-color: var(--error-light); 
    color: var(--error); 
    border: 1px solid #FECACA; 
}
.admin-badge-guest { 
    background-color: var(--background); 
    color: var(--text-muted); 
    border: 1px solid var(--border); 
}
.admin-badge-encrypted { 
    background-color: var(--primary-light); 
    color: var(--primary); 
    border: 1px solid var(--primary-border); 
}
.admin-badge-onetime { 
    background-color: var(--warning-light); 
    color: var(--warning); 
    border: 1px solid #FDE68A; 
}
.admin-badge-simple { 
    background-color: var(--background); 
    color: var(--text-muted); 
    border: 1px solid var(--border); 
}

.admin-btn-action {
    text-decoration: none; 
    font-size: 0.85rem; 
    font-weight: 700; 
    padding: 8px 14px;
    border-radius: var(--radius-md); 
    display: inline-flex; 
    align-items: center; 
    gap: 6px;
    transition: var(--transition-fast); 
    border: 1px solid transparent; 
    cursor: pointer;
}
.admin-btn-action .fal { 
    font-size: 16px; 
}

.admin-btn-deactivate { 
    background-color: var(--warning-light); 
    color: var(--warning); 
    border-color: #FDE68A; 
}
.admin-btn-deactivate:hover { 
    background-color: var(--warning); 
    color: var(--surface); 
}

.admin-btn-activate { 
    background-color: var(--success-light); 
    color: var(--success); 
    border-color: #A7F3D0; 
}
.admin-btn-activate:hover { 
    background-color: var(--success); 
    color: var(--surface); 
}

.admin-btn-delete { 
    background-color: var(--error-light); 
    color: var(--error); 
    border-color: #FECACA; 
}
.admin-btn-delete:hover { 
    background-color: var(--error); 
    color: var(--surface); 
}

/* ==========================================================================
   14. Layout Animations & Responsiveness
   ========================================================================== */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Responsive Adaptive Viewports */
@media (max-width: 480px) {
    body { 
        padding: 12px 12px 32px 12px; 
    }
    
    .header-card { 
        padding: 16px; 
    }
    .header-icon { 
        width: 44px; 
        height: 44px; 
        font-size: 20px; 
    }
    .header-text h1 { 
        font-size: 1.15rem; 
    }
    
    .main-card { 
        padding: 16px; 
    }
    
    .recent-clip-title { 
        max-width: 140px; 
    }
}