/**
 * ChattyBox - Global Dark Theme
 * Clean, mobile-friendly dark theme
 */

/* ============================================
   CSS Variables (Root)
   ============================================ */
:root {
    /* Primary Colors */
    --primary-color: #6C63FF;
    --primary-hover: #5A52E0;
    --primary-light: rgba(108, 99, 255, 0.15);
    --primary-dark: #4A42B8;
    
    /* Background Colors */
    --bg-primary: #0D0D0D;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #242424;
    --card-bg: #1E1E1E;
    --input-bg: #2A2A2A;
    
    /* Text Colors */
    --text-primary: #E8E8E8;
    --text-secondary: #A0A0A0;
    --text-muted: #6A6A6A;
    --text-inverse: #FFFFFF;
    
    /* Border Colors */
    --border-color: #333333;
    --border-light: #3A3A3A;
    --border-dark: #252525;
    
    /* Status Colors */
    --success: #44FF44;
    --warning: #FFA500;
    --danger: #FF4444;
    --info: #4488FF;
    
    /* Shadows */
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.4);
    
    /* Border Radius */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition: 0.3s ease;
    
    /* Font */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

code {
    font-family: "Courier New", monospace;
    background: var(--input-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-primary);
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ============================================
   Top Navigation
   ============================================ */
.top-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-nav .nav-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.top-nav .nav-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.top-nav .nav-logo span {
    color: var(--primary-color);
}

.top-nav .nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.top-nav .nav-link {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    transition: all var(--transition);
    text-decoration: none;
}

.top-nav .nav-link:hover {
    background: var(--input-bg);
    color: var(--text-primary);
}

.top-nav .nav-link.active {
    background: var(--primary-color);
    color: white;
}

.top-nav .nav-link.active:hover {
    background: var(--primary-hover);
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    display: inline-block;
    padding: 10px 24px;
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    text-align: center;
}

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

.btn-danger {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(255, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn-danger:hover {
    background: rgba(255, 68, 68, 0.25);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group .help-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    transition: border-color var(--transition);
    font-family: inherit;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A0A0A0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ============================================
   Alerts / Flash Messages
   ============================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(68, 255, 68, 0.1);
    border-color: rgba(68, 255, 68, 0.2);
    color: var(--success);
}

.alert-danger {
    background: rgba(255, 68, 68, 0.1);
    border-color: rgba(255, 68, 68, 0.2);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 165, 0, 0.1);
    border-color: rgba(255, 165, 0, 0.2);
    color: var(--warning);
}

.alert-info {
    background: rgba(68, 136, 255, 0.1);
    border-color: rgba(68, 136, 255, 0.2);
    color: var(--info);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.card-header h3 {
    margin: 0;
    font-size: 16px;
}

/* ============================================
   Tables
   ============================================ */
.table-container {
    overflow-x: auto;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    padding: 12px 15px;
    background: var(--input-bg);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
    vertical-align: middle;
}

table tr:last-child td {
    border-bottom: none;
}

table tr:hover td {
    background: var(--input-bg);
}

/* ============================================
   Badges / Labels
   ============================================ */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(68, 255, 68, 0.1);
    color: var(--success);
}

.badge-danger {
    background: rgba(255, 68, 68, 0.1);
    color: var(--danger);
}

.badge-warning {
    background: rgba(255, 165, 0, 0.1);
    color: var(--warning);
}

.badge-secondary {
    background: var(--input-bg);
    color: var(--text-secondary);
}

/* ============================================
   Status Dots
   ============================================ */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

.status-dot.online {
    background: var(--success);
}

.status-dot.away {
    background: var(--warning);
}

.status-dot.offline {
    background: var(--text-muted);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

/* ============================================
   Avatar
   ============================================ */
.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 12px;
}

.avatar-lg {
    width: 60px;
    height: 60px;
    font-size: 24px;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 32px;
}

/* ============================================
   Loading / Spinner
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px 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); }
}

/* ============================================
   Responsive Utilities
   ============================================ */
.hidden-mobile {
    display: block;
}

.hidden-desktop {
    display: none;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-secondary);
}

.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mt-5 { margin-top: 30px; }

.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.mb-5 { margin-bottom: 30px; }

/* ============================================
   Mobile Responsiveness
   ============================================ */
@media (max-width: 768px) {
    .hidden-mobile {
        display: none;
    }
    
    .hidden-desktop {
        display: block;
    }
    
    .top-nav {
        padding: 8px 12px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .top-nav .nav-left {
        justify-content: center;
    }
    
    .top-nav .nav-right {
        justify-content: center;
        gap: 4px;
    }
    
    .top-nav .nav-link {
        padding: 4px 10px;
        font-size: 12px;
    }
    
    .top-nav .nav-logo {
        font-size: 18px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        padding: 12px 20px;
        font-size: 15px;
        width: 100%;
        text-align: center;
    }
    
    table {
        font-size: 13px;
    }
    
    table th,
    table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .top-nav .nav-link {
        font-size: 11px;
        padding: 3px 8px;
    }
    
    .top-nav .nav-logo {
        font-size: 16px;
    }
    
    .card {
        padding: 12px;
    }
    
    .avatar-circle {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .top-nav {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        border: 1px solid #ddd;
        background: white;
    }
    
    table th {
        background: #f5f5f5;
        color: #333;
    }
    
    table td {
        color: #333;
        border-color: #ddd;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        display: none;
    }
}

/* ============================================
   Easter Egg - Hidden Simulation Notice
   ============================================ */
/* This is a simulation. No real data is collected. */
/* ChattyBox is a division of SecuritySim.org */

/* ============================================
   Utility - Focus States for Accessibility
   ============================================ */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ============================================
   Utility - Selection
   ============================================ */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}