/* Cairo Transport Lab — dashboard theme */

:root {
    --accent: #0ea5e9;
    --accent-deep: #0284c7;
    --ink: #0f172a;
    --muted: #64748b;
    --surface: #f1f5f9;
    --card: #ffffff;
    --sidebar: #0b1224;
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --radius: 14px;
    --shadow-card: 0 10px 40px rgba(15, 23, 42, 0.08);
    --font: "DM Sans", system-ui, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
    --scrollbar-w: 11px;
    --scrollbar-track: #e2e8f0;
    --scrollbar-thumb: #64748b;
}

html {
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
}

.app-body {
    font-family: var(--font);
    background: var(--surface);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
}

.app-shell {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 45%, #f1f5f9 100%);
}

/* Grow with content; sidebar stretches to full column height */
.app-shell-viewport {
    min-height: 100vh;
    min-height: 100dvh;
    box-sizing: border-box;
    align-items: stretch;
    overflow-x: hidden;
    overflow-y: visible;
}

.sidebar {
    width: 200px;
    min-width: 184px;
    flex-basis: 200px;
    align-self: stretch;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.9) rgba(15, 23, 42, 0.35);
    background: linear-gradient(165deg, #0f172a 0%, #0b1224 55%, #111827 100%);
    border-right: 1px solid var(--sidebar-border);
    color: #e2e8f0;
}

.sidebar::-webkit-scrollbar {
    width: 8px;
}
.sidebar::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.35);
    border-radius: 6px;
}
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.85);
    border-radius: 6px;
}
.sidebar::-webkit-scrollbar-thumb:hover {
    background: #cbd5e1;
}

.sidebar-brand {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.85rem 0.65rem 0.75rem;
    border-bottom: 1px solid var(--sidebar-border);
}

.brand-text {
    min-width: 0;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, #6366f1 100%);
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 0.95rem;
    flex-shrink: 0;
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.32);
}

.brand-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    font-size: 0.88rem;
}

.brand-sub {
    font-size: 0.65rem;
    color: #94a3b8;
    margin-top: 0.1rem;
    line-height: 1.2;
}

.sidebar-nav {
    padding: 0.5rem 0.45rem;
    gap: 0.35rem;
}

.sidebar .nav-btn {
    border: none;
    background: transparent;
    color: #cbd5f5;
    text-align: left;
    padding: 0.44rem 0.5rem;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    width: 100%;
    transition: background 0.15s ease, color 0.15s ease, transform 0.08s ease;
}

.sidebar .nav-btn i {
    width: 1.1rem;
    text-align: center;
    opacity: 0.88;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.sidebar .nav-btn span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar .nav-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.sidebar .nav-btn.active {
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.2), rgba(99, 102, 241, 0.12));
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.25);
}

.sidebar-foot {
    color: #64748b;
    border-top: 1px solid var(--sidebar-border);
    line-height: 1.35;
    padding: 0.55rem 0.6rem 0.65rem;
    font-size: 0.62rem;
    letter-spacing: 0.02em;
    margin-top: auto;
    flex-shrink: 0;
}

.main-stage {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.main-row {
    flex: 0 1 auto;
    align-items: stretch;
    align-content: stretch;
    overflow: visible;
    margin: 0;
    --bs-gutter-x: 0;
    --bs-gutter-y: 0;
}

.top-strip {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.live-pill {
    background: rgba(14, 165, 233, 0.12) !important;
    color: var(--accent-deep) !important;
    border: 1px solid rgba(14, 165, 233, 0.25);
    font-weight: 600;
    padding: 0.5rem 0.9rem;
}

.live-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    margin-right: 0.4rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.55;
        transform: scale(0.85);
    }
}

.panel-col {
    background: rgba(255, 255, 255, 0.5);
    overflow: visible;
}

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

.scrollable-panel {
    overflow-x: hidden;
    overflow-y: visible;
    scrollbar-gutter: stable;
    scrollbar-width: auto;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    outline: none;
}

.scrollable-panel:focus-visible {
    box-shadow: inset 0 0 0 2px rgba(14, 165, 233, 0.35);
}

.scrollable-panel::-webkit-scrollbar {
    width: var(--scrollbar-w);
}
.scrollable-panel::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 8px;
    margin: 6px 0;
    border: 1px solid rgba(15, 23, 42, 0.06);
}
.scrollable-panel::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 8px;
    border: 2px solid var(--scrollbar-track);
}
.scrollable-panel::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

.scrollable-panel .tab-content {
    padding-bottom: 1.75rem;
}

.scrollable-panel .optimization-pane.tab-content {
    padding-bottom: 0.35rem;
}

/* Optimization suite: two-column grid + denser cards */
.optimization-grid {
    display: grid;
    gap: 0.625rem;
    grid-template-columns: 1fr;
    align-items: start;
}

.optimization-span-2 {
    grid-column: 1 / -1;
}

.optimization-pane .dash-card-opt {
    padding: 0.7rem 0.8rem;
    border-radius: 11px;
    margin-bottom: 0;
    box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
}

.optimization-pane .dash-card-opt .dash-card-head {
    margin-bottom: 0.2rem;
    padding-bottom: 0.42rem;
}

.optimization-pane .optimization-card-title {
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.optimization-pane .opt-label {
    font-size: 0.7rem;
    margin-bottom: 0;
}

.optimization-pane .opt-range {
    margin-top: 0.1rem;
}

.optimization-tools {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.optimization-mst-row {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

@media (min-width: 576px) {
    .optimization-mst-row {
        flex-direction: row;
        align-items: flex-end;
        gap: 0.75rem;
    }
    .optimization-switch {
        flex-shrink: 0;
        padding-bottom: 0.2rem;
    }
}

.optimization-switch .opt-switch-label {
    font-size: 0.72rem;
    color: var(--muted);
}

.optimization-pane .output-box-opt {
    padding: 0.58rem 0.72rem;
    font-size: 0.74rem;
    margin-top: 0.55rem;
    line-height: 1.42;
}

.optimization-pane .optimization-race {
    padding: 0.72rem 0.85rem !important;
    border-radius: 11px !important;
}

.optimization-pane .optimization-race .optimization-race-hint {
    font-size: 0.72rem !important;
    line-height: 1.35;
}

.optimization-pane .optimization-race .dash-card-head {
    border-bottom: none;
    padding-bottom: 0;
}

@media (min-width: 768px) {
    .optimization-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.dash-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 1.15rem 1.25rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--shadow-card);
    max-width: 100%;
    box-sizing: border-box;
}

.dash-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px dashed rgba(15, 23, 42, 0.08);
}

.dash-card.accent-border {
    border-left: 4px solid var(--accent);
}

.racing-card {
    border-radius: var(--radius);
    padding: 1.25rem !important;
    border: 1px solid rgba(250, 204, 21, 0.35) !important;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
}

.font-mono {
    font-family: var(--mono) !important;
    font-size: 0.8rem !important;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%) !important;
    border: none !important;
    font-weight: 600;
}

.btn-accent:hover {
    filter: brightness(1.05);
}

.btn-soft {
    background: #fff !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
}

.output-box {
    background: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-left: 4px solid var(--accent);
    padding: 0.95rem 1rem;
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 0.82rem;
    margin-top: 0.75rem;
    white-space: pre-wrap;
    line-height: 1.45;
}

#emergencyResult {
    border-left-color: #dc2626;
}
#mstResult {
    border-left-color: #16a34a;
}
#transitResult {
    border-left-color: #0891b2;
}
#signalResult {
    border-left-color: #ca8a04;
}

.map-col {
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.8) 0%, #e8eef5 100%);
    overflow-x: hidden;
    overflow-y: visible;
}

.map-col::-webkit-scrollbar {
    width: var(--scrollbar-w);
}
.map-col::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 8px;
}
.map-col::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 8px;
    border: 2px solid var(--scrollbar-track);
}

.min-h-map {
    min-height: 420px;
}

.bg-map-toolbar {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(10px);
}

.toolbar-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.map-toggles .form-check-label {
    font-size: 0.78rem;
    color: var(--ink);
}

.map-shell {
    flex: none;
    min-height: min(560px, 72vh);
    position: relative;
    max-width: 100%;
}

.leaflet-host {
    flex: none;
    width: 100%;
    min-height: min(520px, 68vh);
    height: min(520px, 68vh);
    background: #dbe4f0;
    max-width: 100%;
    box-sizing: border-box;
}

.map-legend {
    position: absolute;
    z-index: 800;
    right: 12px;
    bottom: 12px;
    max-height: 42%;
    overflow-y: auto;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    width: min(200px, 46vw);
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.08);
    /* auto so scrollbars and legend are usable (none made the scrollbar dead) */
    pointer-events: auto;
}

.legend-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.12);
}

.map-corner-hint {
    position: absolute;
    z-index: 800;
    left: 52px;
    bottom: 10px;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.08);
    pointer-events: none;
}

.leaflet-container {
    font-family: var(--font);
}

.leaflet-control-layers {
    border-radius: 10px !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12) !important;
}

.race-stat-card {
    background: #fafafa;
}

input[type="range"]#mst-budget {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 6px;
    outline: none;
}

input[type="range"]#mst-budget::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.45);
}

@media (min-width: 1200px) {
    .main-row > [class*="col-"] {
        display: flex;
        flex-direction: column;
        min-height: auto;
    }
}

@media (max-width: 1199px) {
    .app-shell-viewport {
        min-height: 100vh;
        min-height: 100dvh;
        overflow-y: visible;
        overflow-x: hidden;
        align-items: stretch;
    }

    .sidebar {
        position: static;
        align-self: stretch;
        width: 100%;
        min-width: unset;
        max-height: none;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        padding-bottom: 0 !important;
    }
    .sidebar-brand {
        border-bottom: none;
        flex: 1 1 auto;
    }
    .sidebar .nav {
        flex-direction: row !important;
        flex-wrap: wrap;
        margin: 0.5rem 0 0.75rem 0 !important;
        gap: 0.35rem !important;
        width: 100%;
    }
    .sidebar .nav-btn {
        flex: 1;
        justify-content: center;
    }
    .sidebar .nav-btn span {
        display: none;
    }
    .sidebar-foot {
        display: none;
    }
    .app-shell {
        flex-direction: column;
        overflow: visible !important;
        min-height: min-content;
    }

    .scrollable-panel {
        overflow-y: visible !important;
        max-height: none;
    }

    .map-col {
        overflow-y: visible;
        min-height: 480px;
    }

    .leaflet-host {
        height: min(70vh, 520px);
        min-height: 360px;
    }
}