/* ─── Tokens ─── */
:root {
    --bg-0: #06080f;
    --bg-1: #0a0e1a;
    --bg-2: #111827;
    --bg-3: #1f2937;
    --border: #1e293b;
    --border-light: #334155;
    --text-0: #f8fafc;
    --text-1: #cbd5e1;
    --text-2: #64748b;
    --text-3: #475569;
    --accent: #3b82f6;
    --accent-dim: rgba(59,130,246,.15);
    --green: #22c55e;
    --green-dim: rgba(34,197,94,.12);
    --red: #ef4444;
    --radius: .5rem;
    --header-h: 3.25rem;
    --tab-h: 0px; /* overridden on mobile */
    --progress-h: 0px;
    --safe-b: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html, body { height:100%; overflow:hidden; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-1);
    color: var(--text-0);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* ─── Layout Shell ─── */
#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    height: 100dvh;
}

/* ─── Header ─── */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 0 1rem;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 100;
}
.header-brand {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.logo { font-size: 1.25rem; }
.header h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -.01em;
}
.header-actions { display:flex; gap:.5rem; }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    border: none;
    border-radius: var(--radius);
    font: inherit;
    font-size: .8125rem;
    font-weight: 600;
    cursor: pointer;
    padding: .5rem 1rem;
    transition: all .15s ease;
    white-space: nowrap;
}
.btn svg { width: 1rem; height: 1rem; flex-shrink:0; }

.btn-icon {
    background: transparent;
    color: var(--text-1);
    padding: .5rem;
    border-radius: 50%;
}
.btn-icon:hover { background: var(--bg-3); color: var(--accent); }
.btn-icon:disabled { opacity:.3; pointer-events:none; }
.btn-icon svg { width: 1.25rem; height: 1.25rem; }

.btn-accent {
    background: var(--accent);
    color: #fff;
}
.btn-accent:hover:not(:disabled) { filter: brightness(1.15); }
.btn-accent:disabled { opacity:.4; cursor:default; }

.btn-ghost {
    background: transparent;
    color: var(--text-2);
    border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { color: var(--text-0); border-color: var(--border-light); }
.btn-ghost:disabled { opacity:.3; cursor:default; }

.btn-lg { padding: .625rem 1.5rem; font-size: .875rem; }

/* ─── Tab Bar (mobile) ─── */
.tab-bar {
    display: none;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 100;
}
.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    padding: .55rem;
    font: inherit;
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-3);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}
.tab svg { width: 1rem; height: 1rem; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.badge {
    display: none;
    font-size: .625rem;
    min-width: 1.125rem;
    height: 1.125rem;
    line-height: 1.125rem;
    text-align: center;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    padding: 0 .3rem;
}
.badge.show { display: inline-block; }

/* ─── Filters Drawer ─── */
.filters-drawer {
    display: none;
    flex-direction: column;
    width: 280px;
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    overflow-y: auto;
    z-index: 50;
}
.filters-drawer.open { display: flex; }

.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
}
.filters-header h3 { font-size: .875rem; font-weight: 700; }

.filters-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    flex: 1;
}
.filter-group span {
    font-size: .6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-2);
}
.filter-group select,
.filter-group input {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-0);
    padding: .4rem .5rem;
    font: inherit;
    font-size: .8125rem;
    outline: none;
    transition: border-color .15s;
}
.filter-group select:focus,
.filter-group input:focus {
    border-color: var(--accent);
}
.filter-group input::placeholder { color: var(--text-3); }

.zip-row {
    display: flex;
    gap: .5rem;
}
.zip-row input { flex: 1; }
.btn-sm { padding: .35rem .75rem; font-size: .75rem; }

.filter-divider {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--text-3);
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.filter-divider::before, .filter-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.filter-row {
    display: flex;
    gap: .5rem;
}

@media (max-width: 768px) {
    .filters-drawer {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        width: 100%;
        z-index: 200;
    }
}

/* ─── Main ─── */
.main {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

/* Panels */
.panel { display: flex; flex-direction: column; overflow: hidden; }
.panel-map { flex: 1; position: relative; }
.panel-results {
    flex: 1;
    background: var(--bg-1);
    border-left: 1px solid var(--border);
    box-shadow: -2px 0 12px rgba(0,0,0,.2);
}

/* ─── Map ─── */
.map-container { flex:1; position:relative; display:flex; flex-direction:column; }
#map { flex:1; background: var(--bg-0); z-index:1; }

.map-fab {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: .5rem;
    z-index: 500;
    background: rgba(10, 14, 26, .8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: .5rem;
    border-radius: calc(var(--radius) + .25rem);
    border: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,.4);
}

.map-hint {
    position: absolute;
    top: .75rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 26, .88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-1);
    font-size: .75rem;
    padding: .4rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    z-index: 500;
    pointer-events: none;
    transition: opacity .3s;
}
.map-hint.hidden { opacity:0; }

/* ─── Results ─── */
.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.results-header h2 { font-size: .9375rem; font-weight: 700; }
.listing-count { font-size: .75rem; color: var(--text-2); }
.listing-count span { color: var(--accent); font-weight: 700; }

.table-wrap {
    flex: 1;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
    text-align: center;
    color: var(--text-3);
}
.empty-state svg { width: 3rem; height: 3rem; opacity: .2; margin-bottom: .75rem; }
.empty-state p { font-size: .875rem; margin-bottom: .125rem; }
.empty-state span { font-size: .75rem; }

/* Data table */
.data-table { width:100%; border-collapse:collapse; font-size:.8125rem; }
.data-table.hidden { display:none; }

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg-2);
}
.data-table th {
    padding: .5rem .625rem;
    text-align: left;
    font-weight: 700;
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-2);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: color .15s;
}
.data-table th:hover { color: var(--text-0); }
.data-table th.asc::after { content: ' ▲'; font-size:.5rem; }
.data-table th.desc::after { content: ' ▼'; font-size:.5rem; }

.data-table td {
    padding: .5rem .625rem;
    color: var(--text-1);
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}
.data-table tr:hover td { background: rgba(255,255,255,.03); }
.data-table .cell-price { color: var(--green); font-weight: 600; font-variant-numeric: tabular-nums; }
.data-table .cell-addr { color: var(--accent); max-width: 220px; overflow:hidden; text-overflow:ellipsis; }

/* ─── Progress ─── */
.progress-bar-wrap {
    flex-shrink: 0;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: .625rem 1rem;
    z-index: 100;
}
.progress-bar-wrap.hidden { display:none; }
.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--text-2);
    margin-bottom: .375rem;
}
#progressStatus { color: var(--text-1); font-weight: 600; }
.progress-track {
    height: .25rem;
    background: var(--bg-3);
    border-radius: 999px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--green));
    border-radius: 999px;
    transition: width .4s ease;
}

/* ─── Leaflet Overrides ─── */
.leaflet-container { background: var(--bg-0) !important; font-family: inherit !important; }

.leaflet-bar {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,.5) !important;
    overflow: hidden !important;
}
.leaflet-bar a, .leaflet-bar a:link {
    background: var(--bg-2) !important;
    color: var(--text-1) !important;
    border-bottom: 1px solid var(--border) !important;
    width: 30px !important;
    height: 30px !important;
    line-height: 30px !important;
    font-size: 15px !important;
}
.leaflet-bar a:hover { background: var(--bg-3) !important; color: var(--accent) !important; }

/* Leaflet.draw removed — using custom pin-drop UI */

.leaflet-control-attribution {
    background: rgba(10,14,26,.75) !important;
    color: var(--text-3) !important;
    font-size: .5625rem !important;
}
.leaflet-control-attribution a { color: var(--text-3) !important; }

.leaflet-popup-content-wrapper {
    background: var(--bg-2) !important;
    color: var(--text-0) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 4px 16px rgba(0,0,0,.5) !important;
}
.leaflet-popup-tip { background: var(--bg-2) !important; }
.leaflet-popup-content { margin: .75rem !important; font-size: .8125rem !important; }
.leaflet-popup-content h3 { color: var(--accent); font-size: .875rem; margin-bottom: .375rem; }
.leaflet-popup-content p { color: var(--text-1); margin-bottom: .2rem; }

/* ─── Mobile ─── */
@media (max-width: 768px) {
    :root { --tab-h: 2.75rem; }

    .tab-bar { display: flex; }

    .main { flex-direction: column; }

    .panel { display: none; }
    .panel.active { display: flex; flex: 1; }

    .panel-results { border-left: none; border-top: 1px solid var(--border); }

    .map-fab { bottom: 1rem; }

    .data-table th, .data-table td { padding: .4rem .5rem; font-size: .75rem; }
    .data-table .cell-addr { max-width: 140px; }
}

/* ─── PWA safe area ─── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .progress-bar-wrap { padding-bottom: calc(.625rem + var(--safe-b)); }
    .tab-bar { padding-bottom: var(--safe-b); }
}

/* ─── Pin Markers ─── */
.pin-marker {
    background: none !important;
    border: none !important;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.5));
    transition: transform .15s ease;
}
.pin-marker:hover { transform: scale(1.15); }

.pin-count {
    position: absolute;
    top: .75rem;
    right: .75rem;
    background: rgba(10, 14, 26, .88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--accent);
    font-size: .75rem;
    font-weight: 700;
    padding: .3rem .75rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    z-index: 500;
    display: none;
    font-variant-numeric: tabular-nums;
}
.pin-count.show { display: block; }

/* Drawing mode button */
.btn-accent.drawing {
    background: var(--green);
    animation: pulse-glow 1.5s infinite;
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.4); }
    50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}

.btn-green {
    background: var(--green);
    color: #fff;
}
.btn-green:hover:not(:disabled) { filter: brightness(1.15); }
.btn-green:disabled { opacity:.4; cursor:default; }

/* ─── Toast ─── */
.toast {
    position: fixed;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%) translateY(1rem);
    background: var(--bg-2);
    color: var(--text-0);
    font-size: .8125rem;
    padding: .625rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,.5);
    z-index: 10000;
    opacity: 0;
    transition: opacity .3s, transform .3s;
    pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-error { border-color: var(--red); }

/* ─── Utilities ─── */
.hidden { display: none !important; }

/* Scrollbar */
.table-wrap::-webkit-scrollbar { width: 6px; height: 6px; }
.table-wrap::-webkit-scrollbar-track { background: transparent; }
.table-wrap::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
.table-wrap::-webkit-scrollbar-thumb:hover { background: var(--border-light); }