/* ==========================================================================
   DODO COSTA — Enterprise Gaming Lounge & IoT SaaS Design System
   Architecture: RTL-First, CSS Custom Properties, Mobile-First Responsive
   ========================================================================== */

:root {
    /* Surface Palette (Deep Cyber Navy & Charcoal) */
    --dc-bg-base: #070b14;
    --dc-bg-elevated: #0f172a;
    --dc-bg-card: #131c31;
    --dc-bg-card-hover: #17223b;
    --dc-bg-subtle: #1e293b;
    --dc-bg-input: #090e1a;
    /* Brand & Semantic Accents */
    --dc-cyan: #06b6d4;
    --dc-cyan-hover: #0891b2;
    --dc-cyan-soft: rgba(6, 182, 212, 0.12);
    --dc-emerald: #10b981;
    --dc-emerald-soft: rgba(16, 185, 129, 0.12);
    --dc-amber: #f59e0b;
    --dc-amber-soft: rgba(245, 158, 11, 0.14);
    --dc-crimson: #f43f5e;
    --dc-crimson-soft: rgba(244, 63, 94, 0.12);
    /* Typography Colors */
    --dc-text-primary: #f8fafc;
    --dc-text-secondary: #94a3b8;
    --dc-text-muted: #64748b;
    /* Borders & Shadows */
    --dc-border-subtle: rgba(148, 163, 184, 0.12);
    --dc-border-strong: rgba(148, 163, 184, 0.22);
    --dc-shadow-sm: 0 4px 12px rgba(2, 6, 23, 0.4);
    --dc-shadow-md: 0 10px 25px -5px rgba(2, 6, 23, 0.6);
    /* Radii & Spacing */
    --dc-radius-sm: 8px;
    --dc-radius-md: 12px;
    --dc-radius-lg: 16px;
    --dc-radius-xl: 20px;
    /* Fonts */
    --dc-font-sans: 'Cairo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --dc-font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* Base Reset & RTL Enforcement */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
    background-color: var(--dc-bg-base);
    color: var(--dc-text-primary);
    font-family: var(--dc-font-sans);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    margin: 0;
}

.dc-app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.dc-main-content {
    flex: 1 0 auto;
    padding-bottom: 2rem;
}

.dc-app-footer {
    flex-shrink: 0;
    background-color: var(--dc-bg-elevated);
    border-top: 1px solid var(--dc-border-subtle);
    padding-block: 1rem;
}

.dc-brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--dc-cyan);
    box-shadow: 0 0 10px var(--dc-cyan);
    display: inline-block;
}

/* ==========================================================================
   A. Enterprise Top Header
   ========================================================================== */
.dc-topbar {
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dc-border-subtle);
    position: sticky;
    top: 0;
    z-index: 1020;
    padding-block: 0.75rem;
}

.dc-brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--dc-radius-md);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(16, 185, 129, 0.15));
    border: 1px solid rgba(6, 182, 212, 0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--dc-cyan);
    font-size: 1.35rem;
    flex-shrink: 0;
}

.dc-brand-title {
    font-weight: 800;
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    letter-spacing: 0.3px;
    color: var(--dc-text-primary);
    margin: 0;
    line-height: 1.2;
}

.dc-branch-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--dc-text-secondary);
    background: var(--dc-bg-subtle);
    padding: 0.15rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--dc-border-subtle);
}

.dc-engine-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--dc-emerald-soft);
    color: var(--dc-emerald);
    border: 1px solid rgba(16, 185, 129, 0.28);
}

.dc-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: dcPulse 2s infinite;
}

@keyframes dcPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.45;
        transform: scale(0.85);
    }
}

/* ==========================================================================
   B. Executive Summary KPI Cards
   ========================================================================== */
.dc-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.dc-kpi-card {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border-subtle);
    border-radius: var(--dc-radius-lg);
    padding: 1.15rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--dc-shadow-sm);
    transition: transform 0.18s ease, border-color 0.18s ease;
}

    .dc-kpi-card:hover {
        border-color: var(--dc-border-strong);
    }

.dc-kpi-card--highlight {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(19, 28, 49, 0.95));
    border-color: rgba(16, 185, 129, 0.35);
}

.dc-kpi-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dc-text-secondary);
    margin-bottom: 0.25rem;
}

.dc-kpi-value {
    font-family: var(--dc-font-mono);
    font-size: clamp(1.35rem, 2vw, 1.7rem);
    font-weight: 700;
    color: var(--dc-text-primary);
    line-height: 1.2;
}

.dc-kpi-sub {
    font-size: 0.76rem;
    color: var(--dc-text-muted);
    margin-top: 0.2rem;
}

.dc-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--dc-radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.dc-kpi-icon--cyan {
    background: var(--dc-cyan-soft);
    color: var(--dc-cyan);
}

.dc-kpi-icon--amber {
    background: var(--dc-amber-soft);
    color: var(--dc-amber);
}

.dc-kpi-icon--emerald {
    background: var(--dc-emerald-soft);
    color: var(--dc-emerald);
}

/* ==========================================================================
   C. Industrial Smart Power Control Panel (LG MTTL-W01)
   ========================================================================== */
.dc-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dc-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dc-text-primary);
}

.dc-power-unit {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border-subtle);
    border-radius: var(--dc-radius-lg);
    padding: 1.15rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--dc-shadow-sm);
    position: relative;
    overflow: hidden;
}

    .dc-power-unit::before {
        content: "";
        position: absolute;
        inset-block: 0;
        inset-inline-start: 0;
        width: 5px;
        background-color: var(--dc-crimson);
    }

.dc-power-unit--online::before {
    background-color: var(--dc-emerald);
}

.dc-power-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr 1.5fr;
    gap: 1.25rem;
    align-items: center;
}

.dc-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.dc-status-badge--online {
    background: var(--dc-emerald-soft);
    color: var(--dc-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.dc-status-badge--offline {
    background: var(--dc-crimson-soft);
    color: var(--dc-crimson);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.dc-mono-code {
    font-family: var(--dc-font-mono);
    font-size: 0.8rem;
    background: var(--dc-bg-input);
    color: var(--dc-cyan);
    padding: 0.15rem 0.55rem;
    border-radius: var(--dc-radius-sm);
    border: 1px solid var(--dc-border-subtle);
    direction: ltr;
    display: inline-block;
}

.dc-socket-chip {
    font-family: var(--dc-font-mono);
    font-size: 0.75rem;
    background: var(--dc-amber-soft);
    color: var(--dc-amber);
    border: 1px solid rgba(245, 158, 11, 0.35);
    padding: 0.15rem 0.55rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
    direction: ltr;
    display: inline-block;
}

    .dc-socket-chip:hover {
        background: rgba(245, 158, 11, 0.25);
    }

/* 4-Outlet Industrial Switchboard */
.dc-outlets-rack {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
}

.dc-outlet-box {
    background: var(--dc-bg-elevated);
    border: 1px solid var(--dc-border-subtle);
    border-radius: var(--dc-radius-md);
    padding: 0.5rem;
    text-align: center;
}

.dc-outlet-box--active {
    border-color: rgba(16, 185, 129, 0.45);
    background: rgba(16, 185, 129, 0.06);
}

.dc-outlet-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dc-text-secondary);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.dc-outlet-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.3rem;
}

.dc-btn-relay {
    font-family: var(--dc-font-mono);
    font-size: 0.73rem;
    font-weight: 700;
    padding: 0.35rem 0.25rem;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    min-height: 34px;
    transition: all 0.15s ease;
}

.dc-btn-relay--on {
    background: rgba(16, 185, 129, 0.14);
    color: var(--dc-emerald);
    border-color: rgba(16, 185, 129, 0.35);
}

    .dc-btn-relay--on:hover {
        background: var(--dc-emerald);
        color: #04130d;
    }

.dc-btn-relay--off {
    background: rgba(244, 63, 94, 0.12);
    color: var(--dc-crimson);
    border-color: rgba(244, 63, 94, 0.3);
}

    .dc-btn-relay--off:hover {
        background: var(--dc-crimson);
        color: #fff;
    }

/* ==========================================================================
   D. Gaming Stations Responsive Grid & Cards
   ========================================================================== */
.dc-stations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.dc-station-card {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border-subtle);
    border-radius: var(--dc-radius-xl);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--dc-shadow-md);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

    .dc-station-card:hover {
        transform: translateY(-2px);
        border-color: var(--dc-border-strong);
    }

    /* Status Top Accent Bar */
    .dc-station-card::before {
        content: "";
        position: absolute;
        top: 0;
        inset-inline: 0;
        height: 4px;
    }

.dc-station-card--available::before {
    background-color: var(--dc-emerald);
}

.dc-station-card--busy {
    background: linear-gradient(180deg, rgba(244, 63, 94, 0.07) 0%, var(--dc-bg-card) 35%);
    border-color: rgba(244, 63, 94, 0.28);
}

    .dc-station-card--busy::before {
        background-color: var(--dc-crimson);
    }

.dc-station-card--paused {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.12) 0%, var(--dc-bg-card) 40%);
    border-color: rgba(245, 158, 11, 0.5);
    animation: dcCardAlert 2s infinite;
}

    .dc-station-card--paused::before {
        background-color: var(--dc-amber);
    }

@keyframes dcCardAlert {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.45);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
    }
}

.dc-station-category {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: var(--dc-bg-subtle);
    color: var(--dc-cyan);
    border: 1px solid rgba(6, 182, 212, 0.25);
}

.dc-station-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dc-text-primary);
    margin: 0.35rem 0 0 0;
}

.dc-outlet-badge {
    font-family: var(--dc-font-mono);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    background: var(--dc-bg-input);
    color: var(--dc-text-secondary);
    border: 1px solid var(--dc-border-subtle);
    white-space: nowrap;
}

/* Pricing Strip */
.dc-pricing-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    background: var(--dc-bg-elevated);
    border: 1px solid var(--dc-border-subtle);
    border-radius: var(--dc-radius-md);
    padding: 0.55rem 0.75rem;
    margin-block: 0.85rem;
}

.dc-price-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--dc-text-secondary);
}

    .dc-price-item strong {
        font-family: var(--dc-font-mono);
        color: var(--dc-text-primary);
        font-size: 0.9rem;
    }

/* Live Session Monitor Box */
.dc-session-monitor {
    background: var(--dc-bg-input);
    border: 1px solid var(--dc-border-strong);
    border-radius: var(--dc-radius-lg);
    padding: 0.9rem;
    text-align: center;
    margin-bottom: 0.9rem;
}

.dc-digital-timer {
    font-family: var(--dc-font-mono);
    font-size: clamp(1.75rem, 2.5vw, 2.15rem);
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--dc-cyan);
    line-height: 1.15;
    margin-block: 0.35rem;
    direction: ltr;
}

.dc-live-cost-pill {
    font-family: var(--dc-font-mono);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--dc-emerald);
    background: var(--dc-emerald-soft);
    padding: 0.2rem 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Idle State Display */
.dc-idle-placeholder {
    background: rgba(15, 23, 42, 0.45);
    border: 1px dashed var(--dc-border-strong);
    border-radius: var(--dc-radius-lg);
    padding: 1.6rem 1rem;
    text-align: center;
    margin-bottom: 1rem;
}

.dc-idle-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--dc-emerald-soft);
    color: var(--dc-emerald);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

/* Touch-Friendly Controls & Inputs */
.dc-form-control,
.dc-form-select {
    background-color: var(--dc-bg-input) !important;
    border: 1px solid var(--dc-border-strong) !important;
    color: var(--dc-text-primary) !important;
    border-radius: var(--dc-radius-sm);
    min-height: 40px;
    font-size: 0.88rem;
}

    .dc-form-control:focus,
    .dc-form-select:focus {
        border-color: var(--dc-cyan) !important;
        box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2) !important;
    }

.dc-btn-primary-action {
    min-height: 46px;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--dc-radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.15s ease;
}

.dc-buffet-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
}

.dc-btn-buffet {
    background: var(--dc-bg-elevated);
    border: 1px solid var(--dc-border-strong);
    color: var(--dc-text-primary);
    border-radius: var(--dc-radius-sm);
    padding: 0.4rem 0.3rem;
    font-size: 0.78rem;
    font-weight: 600;
    min-height: 38px;
    transition: all 0.15s ease;
}

    .dc-btn-buffet:hover {
        border-color: var(--dc-cyan);
        background: var(--dc-cyan-soft);
        color: #fff;
    }

/* ==========================================================================
   E. Responsive Breakpoints (Tablet & Mobile Optimization)
   ========================================================================== */
@media (max-width: 1199.98px) {
    .dc-power-grid {
        grid-template-columns: 1fr 1fr;
    }

    .dc-outlets-rack {
        grid-column: 1 / -1;
    }
}

@media (max-width: 767.98px) {
    .dc-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .dc-kpi-card {
        padding: 0.9rem;
    }

    .dc-power-grid {
        grid-template-columns: 1fr;
        gap: 0.9rem;
    }

    .dc-outlets-rack {
        grid-template-columns: repeat(2, 1fr);
    }

    .dc-stations-grid {
        grid-template-columns: 1fr;
    }

    .dc-btn-relay {
        min-height: 42px;
        font-size: 0.82rem;
    }
}

@media (max-width: 420px) {
    .dc-kpi-grid {
        grid-template-columns: 1fr;
    }

    .dc-buffet-grid {
        grid-template-columns: 1fr;
    }
}

/* Respect Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   Print Styles (Receipt / A4 Format) - FIXED (No Blank Pages)
   ========================================================================== */
@media print {
    /* مسح كل محتويات الشاشة من ذاكرة الطابعة لتوفير الورق ومنع الصفحات البيضاء */
    .dc-app-footer,
    .modal-backdrop,
    .dc-main-content > *:not(#shiftModal) {
        display: none !important;
    }

    /* ضبط المتصفح والصفحة لطباعة المحتوى المطلوب فقط (إلغاء طول الصفحة الأصلي) */
    html, body {
        height: auto !important;
        background: #fff !important;
        overflow: visible !important;
    }

    /* يمكنك تعديل الهوامش لتناسب طابعة الكاشير أو ورق A4 */
    @page {
        margin: 0.5cm;
    }

    /* إظهار التقرير فقط كصفحة عادية وتجريده من أبعاد المودال */
    #shiftModal {
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        background: #fff !important;
        overflow: visible !important;
    }

    .modal-dialog {
        max-width: 100% !important;
        margin: 0 !important;
        transform: none !important;
    }

    .modal-content {
        border: none !important;
        box-shadow: none !important;
        background: #fff !important;
        color: #000 !important;
        padding: 0 !important;
    }

    /* إخفاء الأزرار وأيقونات الإغلاق وتغيير الألوان للأسود الصافي */
    .modal-footer, .btn-close, .dc-brand-dot {
        display: none !important;
    }

    .text-info, .text-warning, .text-success, .text-danger, .text-secondary, .text-white {
        color: #000 !important;
    }

    .bg-dark, .bg-transparent, .bg-success {
        background-color: #fff !important;
    }

    .list-group-item {
        border-color: #000 !important;
        border-bottom: 1px dashed #000 !important;
        padding-inline: 0 !important;
    }

    .badge {
        border: 1px solid #000 !important;
        color: #000 !important;
        background: #fff !important;
    }
}