/* ============================================
   AI Webmaster CR - Main Stylesheet
   ============================================ */

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-card: #1a1a3e;
    --bg-card-hover: #22224a;
    --bg-input: #16163a;
    --border-color: #2a2a5a;
    --text-primary: #eaeaea;
    --text-secondary: #9090b0;
    --text-muted: #606080;
    --accent-primary: #6c5ce7;
    --accent-secondary: #00cec9;
    --accent-warning: #fdcb6e;
    --accent-danger: #e17055;
    --accent-success: #00b894;
    --accent-info: #74b9ff;
    --gradient-main: linear-gradient(135deg, #6c5ce7, #00cec9);
    --gradient-warm: linear-gradient(135deg, #fdcb6e, #e17055);
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 30px rgba(108,92,231,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --sidebar-width: 260px;
    --header-height: 64px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ============ SIDEBAR ============ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    z-index: 100;
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-title {
    display: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px;
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
}

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

.logo i {
    font-size: 24px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
}

.sidebar-nav {
    padding: 12px 0;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-section-title {
    display: block;
    padding: 8px 20px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 14px;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 14px;
}

.nav-item:hover {
    background: rgba(108, 92, 231, 0.08);
    color: var(--text-primary);
    border-left-color: var(--accent-primary);
}

.nav-item.active {
    background: rgba(108, 92, 231, 0.12);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

/* ============ MAIN CONTENT ============ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

.sidebar.collapsed ~ .main-content {
    margin-left: 60px;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
}

.top-bar-left h1 {
    font-size: 20px;
    font-weight: 700;
}

.page-description {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    width: 280px;
}

.search-box i {
    color: var(--text-muted);
    font-size: 14px;
}

.search-box input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

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

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-success);
    animation: pulse-dot 2s infinite;
}

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

/* ============ CONTENT AREA ============ */
.content-area {
    padding: 32px;
}

.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
    gap: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============ CARDS & GRID ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 18px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-card .stat-change {
    font-size: 12px;
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 20px;
}

.stat-change.positive { background: rgba(0, 184, 148, 0.15); color: var(--accent-success); }
.stat-change.negative { background: rgba(225, 112, 85, 0.15); color: var(--accent-danger); }

/* Card variations */
.stat-card.purple .stat-icon { background: rgba(108, 92, 231, 0.15); color: var(--accent-primary); }
.stat-card.teal .stat-icon { background: rgba(0, 206, 201, 0.15); color: var(--accent-secondary); }
.stat-card.yellow .stat-icon { background: rgba(253, 203, 110, 0.15); color: var(--accent-warning); }
.stat-card.red .stat-icon { background: rgba(225, 112, 85, 0.15); color: var(--accent-danger); }
.stat-card.blue .stat-icon { background: rgba(116, 185, 255, 0.15); color: var(--accent-info); }
.stat-card.green .stat-icon { background: rgba(0, 184, 148, 0.15); color: var(--accent-success); }

/* ============ SECTION ============ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.section-header .section-actions {
    display: flex;
    gap: 10px;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ============ CARDS / PANELS ============ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ============ TABLES ============ */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover td {
    background: rgba(108, 92, 231, 0.04);
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: rgba(0, 184, 148, 0.15); color: var(--accent-success); }
.badge-warning { background: rgba(253, 203, 110, 0.15); color: var(--accent-warning); }
.badge-danger { background: rgba(225, 112, 85, 0.15); color: var(--accent-danger); }
.badge-info { background: rgba(116, 185, 255, 0.15); color: var(--accent-info); }
.badge-purple { background: rgba(108, 92, 231, 0.15); color: var(--accent-primary); }

/* ============ PROGRESS ============ */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

/* ============ TAB PANEL ============ */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tab:hover {
    color: var(--text-primary);
}

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

/* ============ CHAT / RESPONSE ============ */
.response-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 20px;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.7;
    max-height: 500px;
    overflow-y: auto;
}

/* ============ TOASTS ============ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-danger); }
.toast.info { border-left: 3px solid var(--accent-info); }
.toast.warning { border-left: 3px solid var(--accent-warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============ UTILITY ============ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .sidebar { width: 60px; }
    .sidebar .logo-text,
    .sidebar .nav-item span,
    .sidebar .nav-section-title { display: none; }
    .main-content { margin-left: 60px; }
    .search-box { width: 200px; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); width: var(--sidebar-width); }
    .sidebar.open .logo-text,
    .sidebar.open .nav-item span,
    .sidebar.open .nav-section-title { display: block; }
    .main-content { margin-left: 0 !important; }
    .top-bar { padding: 12px 16px; }
    .content-area { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .search-box { width: 160px; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .top-bar-right .status-indicator { display: none; }
}