:root {
    --bg-primary: #0a0f1d;
    --bg-secondary: #111827;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary: #38bdf8;
    --primary-hover: #0284c7;
    --accent: #818cf8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    direction: rtl;
}

/* Master Top Navigation Bar */
.master-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.company-tag {
    font-size: 0.8rem;
    color: var(--text-muted);
    border-right: 1px solid var(--border-color);
    padding-right: 14px;
}

.nav-tabs {
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.25);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: var(--primary);
    color: #0a0f1d;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
}

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

.status-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

/* Master Main Stage */
.main-stage {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* View Container */
.view-container {
    width: 100%;
    height: 100%;
    display: none;
}

.view-container.active {
    display: block;
}

/* Dashboard / Command Center View */
.overview-scroll {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 24px;
}

.overview-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-banner {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.hero-content h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 8px;
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 750px;
    line-height: 1.6;
}

.hero-metrics {
    display: flex;
    gap: 24px;
}

.metric-pill {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    text-align: center;
}

.metric-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    font-family: monospace;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.portal-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.portal-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.portal-card h3 {
    font-size: 1.15rem;
    color: var(--primary);
}

.portal-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.portal-card .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 12px;
}

.action-btn {
    background: var(--primary);
    color: #0a0f1d;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

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

/* Embedded Frame Views */
.embedded-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
}