/* ===================================================
   AI Media Buyer - Main Stylesheet
   =================================================== */

:root {
    /* Colors */
    --bg-primary: #0A0D1A;
    --bg-secondary: #0F1528;
    --bg-card: #141B2D;
    --bg-card-hover: #1A2340;
    --bg-sidebar: #0C1121;

    --accent-blue: #4F8BFF;
    --accent-purple: #764BA2;
    --accent-cyan: #00D4FF;
    --accent-green: #00E676;
    --accent-orange: #FF8C42;
    --accent-red: #FF4757;
    --accent-yellow: #FFD93D;

    --gradient-primary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-blue: linear-gradient(135deg, #4F8BFF 0%, #00D4FF 100%);
    --gradient-green: linear-gradient(135deg, #00E676 0%, #00B0FF 100%);
    --gradient-orange: linear-gradient(135deg, #FF8C42 0%, #FF4757 100%);
    --gradient-card: linear-gradient(145deg, #141B2D 0%, #1A2340 100%);

    /* Text Colors */
    --text-primary: #E8EEFF;
    --text-secondary: #8B9CC8;
    --text-muted: #4A5880;

    /* Borders */
    --border-color: rgba(79, 139, 255, 0.1);
    --border-hover: rgba(79, 139, 255, 0.3);

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 40px rgba(79, 139, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(79, 139, 255, 0.3);

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --header-height: 70px;

    /* Typography */
    --font-arabic: 'Cairo', 'Segoe UI', sans-serif;
    --font-latin: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-arabic);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;

    /* Starfield background */
    background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.1) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 60%, rgba(255, 255, 255, 0.08) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 80%, rgba(255, 255, 255, 0.12) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 100%);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 3px;
    opacity: 0.5;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    font-family: inherit;
}

input,
select,
textarea {
    font-family: inherit;
}

/* ===================================================
   LAYOUT
   =================================================== */

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-slow);
    overflow: hidden;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon svg {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.5));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 0.95rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.sidebar-toggle {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all var(--transition-normal);
}

/* Connection Status */
.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: background var(--transition-normal);
}

.status-dot.connected {
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
}

.status-dot.disconnected {
    background: var(--accent-red);
}

.status-dot.connecting {
    background: var(--accent-yellow);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    border-radius: 0;
    white-space: nowrap;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(79, 139, 255, 0.05);
}

.nav-item.active {
    color: var(--accent-blue);
    background: rgba(79, 139, 255, 0.1);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-blue);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-icon {
    transform: scale(1.1);
}

.badge {
    margin-right: auto;
    background: rgba(79, 139, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid rgba(79, 139, 255, 0.3);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
}

.badge.ai-badge {
    background: rgba(118, 75, 162, 0.2);
    color: var(--accent-purple);
    border-color: rgba(118, 75, 162, 0.3);
}

.badge.alert-badge {
    background: rgba(255, 71, 87, 0.2);
    color: var(--accent-red);
    border-color: rgba(255, 71, 87, 0.3);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.sync-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.sync-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
}

.btn-sync {
    background: rgba(79, 139, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px;
    color: var(--accent-blue);
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.btn-sync:hover {
    background: rgba(79, 139, 255, 0.2);
    transform: rotate(180deg);
}

.btn-sync svg {
    width: 14px;
    height: 14px;
    display: block;
}

.btn-sync.spinning svg {
    animation: spin 1s linear infinite;
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 0;
    margin-right: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-right var(--transition-slow);
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background: rgba(10, 13, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Period Selector */
.period-selector {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.period-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.period-btn.active {
    background: rgba(79, 139, 255, 0.15);
    color: var(--accent-blue);
}

/* Live Indicator */
.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--accent-green);
    font-weight: 600;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(0, 230, 118, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
    }
}

.live-indicator.inactive .pulse-dot {
    background: var(--accent-red);
    animation: none;
}

/* Alert Bell */
.alert-bell {
    position: relative;
    background: none;
    border: none;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding: 6px;
}

.alert-bell:hover {
    color: var(--accent-blue);
}

.alert-bell svg {
    width: 20px;
    height: 20px;
    display: block;
}

.bell-badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--accent-red);
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Pages */
.page {
    display: none;
    padding: var(--spacing-xl);
    flex: 1;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}