:root {
    --bg-main: #0b0f19;
    --bg-card: #131b2e;
    --bg-card-hover: #18223a;
    --bg-glass: rgba(19, 27, 46, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #38bdf8;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --primary: #38bdf8;
    --primary-hover: #0284c7;
    --accent: #4ade80;
    --meta-blue: #1877f2;
    --meta-blue-hover: #0d65d9;
    --danger: #f87171;
    --warning: #fb923c;
    --info: #818cf8;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-main: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Cairo', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Header */
.main-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 800;
    font-size: 1.25rem;
}

.brand-mark {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.35);
}

.brand-text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--primary);
    margin-top: -3px;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background-color: rgba(248, 113, 113, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

/* Main Content Container */
.main-content {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(74, 222, 128, 0.1);
    border-color: rgba(74, 222, 128, 0.25);
    color: #4ade80;
}

.alert-danger {
    background-color: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.25);
    color: #f87171;
}

.alert-icon {
    font-size: 1.2rem;
}

/* Auth Pages */
.auth-shell {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 2rem auto;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-main);
}

@media (max-width: 850px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }
    .auth-visual {
        display: none;
    }
}

.auth-card {
    padding: 2.5rem;
}

.auth-card.standalone {
    max-width: 480px;
    margin: 2rem auto;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-main);
}

.auth-card h1 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.auth-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.88rem;
    font-weight: 600;
}

.auth-form input {
    width: 100%;
    margin-top: 0.2rem;
    background-color: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    outline: none;
}

.auth-form input:focus {
    border-color: var(--border-focus);
}

.auth-footer {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.auth-visual {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    padding: 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--border-color);
}

.visual-pill {
    display: inline-block;
    background-color: rgba(56, 189, 248, 0.15);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    width: fit-content;
}

.auth-visual h2 {
    font-size: 1.7rem;
    line-height: 1.3;
    margin-bottom: 0.8rem;
}

.auth-visual h2 em {
    color: var(--primary);
    font-style: normal;
}

.mini-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
    margin: 1.5rem 0;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

.mini-chart i {
    flex: 1;
    background: linear-gradient(to top, var(--primary), #818cf8);
    border-radius: 3px 3px 0 0;
}

.visual-stats {
    display: flex;
    gap: 2rem;
}

.visual-stats span b {
    display: block;
    font-size: 1.3rem;
    color: #fff;
}

.visual-stats span small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.header-titles h1 {
    font-size: 1.85rem;
    font-weight: 800;
    color: #fff;
}

.header-titles .subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.account-selector-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.account-selector-wrap label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-select {
    background: transparent;
    color: var(--text-main);
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

.form-select option {
    background-color: var(--bg-card);
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary, button.primary {
    background-color: var(--primary);
    color: #0b0f19;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
}

.btn-primary:hover, button.primary:hover {
    background-color: var(--primary-hover);
    color: #fff;
}

.btn-meta {
    background: linear-gradient(135deg, #1877f2, #0d65d9);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.35);
}

.btn-meta:hover {
    background: linear-gradient(135deg, #0d65d9, #084ebd);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.5);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: #0b0f19;
}

.btn-sm {
    padding: 0.35rem 0.8rem;
    font-size: 0.85rem;
}

.btn-xs {
    padding: 0.25rem 0.6rem;
    font-size: 0.78rem;
    border-radius: 4px;
}

.btn-lg {
    padding: 0.85rem 1.8rem;
    font-size: 1.05rem;
}

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

.btn-danger-outline:hover {
    background-color: var(--danger);
    color: #fff;
}

.btn-success-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-success-outline:hover {
    background-color: var(--accent);
    color: #0b0f19;
}

.inline-form {
    display: inline-block;
}

/* =========================================================
   Modern iOS-Style Interactive Toggle Switch for Campaigns
   ========================================================= */
.toggle-switch-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 0.3rem 0.7rem;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.toggle-switch-btn:hover {
    border-color: var(--primary);
    transform: scale(1.03);
}

.toggle-slider {
    width: 34px;
    height: 18px;
    background-color: #334155;
    border-radius: 20px;
    position: relative;
    transition: background-color 0.25s ease;
    display: inline-block;
}

.toggle-knob {
    width: 14px;
    height: 14px;
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    right: 2px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.toggle-switch-btn.active .toggle-slider {
    background-color: #22c55e;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.4);
}

.toggle-switch-btn.active .toggle-knob {
    transform: translateX(-16px);
}

.toggle-switch-btn.paused .toggle-slider {
    background-color: #475569;
}

.toggle-text {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
}

.toggle-switch-btn.active .toggle-text {
    color: #4ade80;
}

.toggle-switch-btn.paused .toggle-text {
    color: #94a3b8;
}

/* Empty State Card */
.empty-state-card {
    background-color: var(--bg-card);
    border: 1px dashed rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    max-width: 650px;
    margin: 2rem auto;
}

.empty-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.empty-state-card h2 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
}

.empty-state-card p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.empty-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.3);
}

.stat-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-icon-wrap {
    font-size: 1.1rem;
}

.stat-value {
    font-size: 1.7rem;
    font-weight: 800;
    color: #fff;
    font-family: 'Cairo', system-ui, sans-serif;
}

.stat-subtext {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 0.4rem;
}

.text-accent { color: var(--accent) !important; }

.highlight-card {
    border-color: rgba(74, 222, 128, 0.35);
    background: linear-gradient(135deg, var(--bg-card), rgba(74, 222, 128, 0.05));
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.chart-header {
    margin-bottom: 1.25rem;
}

.chart-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.chart-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chart-canvas-wrap {
    position: relative;
    height: 260px;
    width: 100%;
}

/* Recommendations Panel (ذكاء الحملات) */
.recommendations-panel {
    background: linear-gradient(180deg, var(--bg-card), rgba(19, 27, 46, 0.95));
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.panel-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-info h2 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
}

.panel-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.health-score-badge {
    background-color: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.score-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.score-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.recommendations-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
}

.recommendation-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.rec-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.rec-badge {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
}

.rec-success .rec-badge { background-color: rgba(74, 222, 128, 0.15); color: #4ade80; }
.rec-danger .rec-badge { background-color: rgba(248, 113, 113, 0.15); color: #f87171; }
.rec-warning .rec-badge { background-color: rgba(251, 146, 60, 0.15); color: #fb923c; }
.rec-info .rec-badge { background-color: rgba(129, 140, 248, 0.15); color: #818cf8; }

.recommendation-card h4 {
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.recommendation-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Panel Sections & Tables */
.panel-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.panel-head-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-head-flex h2 {
    font-size: 1.25rem;
    font-weight: 800;
}

.panel-head-flex p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    font-size: 0.92rem;
}

.data-table th {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-weight: 700;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.campaign-title-cell strong {
    display: block;
    color: #fff;
    font-size: 0.95rem;
}

.font-mono {
    font-variant-numeric: tabular-nums;
    font-family: monospace, sans-serif;
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.status-active {
    background-color: rgba(74, 222, 128, 0.12);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.25);
}

.status-active .status-dot {
    background-color: #4ade80;
    box-shadow: 0 0 6px #4ade80;
}

.status-paused {
    background-color: rgba(148, 163, 184, 0.12);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.status-paused .status-dot {
    background-color: #94a3b8;
}

.roas-tag {
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.roas-high { background-color: rgba(74, 222, 128, 0.15); color: #4ade80; }
.roas-low { color: var(--danger); }

.currency-badge {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--primary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
}

.action-buttons-flex {
    display: flex;
    gap: 0.4rem;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 540px;
    width: 100%;
    padding: 2rem;
    box-shadow: var(--shadow-main);
    animation: modalSlide 0.2s ease-out;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 800;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
}

.btn-close:hover { color: #fff; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-main);
}

.form-input, .form-textarea {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--border-focus);
}

.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 0.35rem;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 800px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.form-actions {
    margin-top: 1.5rem;
}

/* Footer */
.main-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: auto;
}