/* ── RESET & VARS ────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --sidebar-w: 370px;
    --bg-dark: #0f1117;
    --bg-panel: #161822;
    --bg-card: #1c1f2e;
    --bg-input: #232639;
    --border: #2a2d42;
    --text: #e2e4ed;
    --text-dim: #8b8fa7;
    --text-muted: #585c75;
    --accent: #4f8cff;
    --accent-glow: rgba(79, 140, 255, 0.25);
    --accent-hover: #6aa0ff;
    --success: #34d399;
    --warn: #fbbf24;
    --danger: #f87171;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,.35);
    --font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

html, body { height: 100%; font-family: var(--font); background: var(--bg-dark); color: var(--text); overflow: hidden; }

/* ── SIDEBAR ─────────────────────────────────────── */
.sidebar {
    position: fixed; top: 0; left: 0; z-index: 1000;
    width: var(--sidebar-w); height: 100vh;
    background: var(--bg-dark);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }

.sidebar-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px 14px; border-bottom: 1px solid var(--border);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
    width: 34px; height: 34px; border-radius: 9px;
    background: linear-gradient(135deg, var(--accent), #7c5cff);
    display: grid; place-items: center; color: #fff;
}
.logo-text { font-size: 17px; font-weight: 700; letter-spacing: -.3px; }
.sidebar-toggle {
    background: none; border: none; color: var(--text-dim);
    cursor: pointer; padding: 6px; border-radius: 6px;
    transition: all .15s;
}
.sidebar-toggle:hover { background: var(--bg-card); color: var(--text); }

/* ── TAB NAV ─────────────────────────────────────── */
.tab-nav {
    display: grid; grid-template-columns: repeat(5, 1fr);
    padding: 10px 12px 0; gap: 4px;
}
.tab-btn {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 4px 8px; border: none; background: none;
    color: var(--text-muted); font-family: var(--font); font-size: 11px;
    font-weight: 500; cursor: pointer; border-radius: 8px;
    transition: all .2s;
}
.tab-btn:hover { color: var(--text-dim); background: var(--bg-card); }
.tab-btn.active {
    color: var(--accent); background: var(--bg-card);
    box-shadow: inset 0 -2px 0 var(--accent);
}

/* ── TAB PANELS ──────────────────────────────────── */
.tab-panel { display: none; flex: 1; overflow-y: auto; padding: 16px 16px 80px; }
.tab-panel.active { display: block; }
.tab-panel::-webkit-scrollbar { width: 5px; }
.tab-panel::-webkit-scrollbar-track { background: transparent; }
.tab-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.panel-section { margin-bottom: 20px; }
.section-title { font-size: 14px; font-weight: 600; margin-bottom: 8px; letter-spacing: -.2px; }
.section-desc { font-size: 12.5px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.5; }

/* ── INPUTS ──────────────────────────────────────── */
.input-group { margin-bottom: 0; }
.input-group label { display: block; font-size: 11.5px; font-weight: 500; color: var(--text-dim); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.input-group input[type="text"], .select-input {
    width: 100%; padding: 10px 14px; font-size: 13.5px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-family: var(--font); outline: none; transition: border .2s;
}
.input-group input:focus, .select-input:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.input-group input::placeholder { color: var(--text-muted); }

.select-input { appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%238b8fa7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center;
    padding-right: 32px;
}

.input-with-btn { display: flex; gap: 6px; }
.input-with-btn input { flex: 1; }

.range-input {
    width: 100%; height: 6px; appearance: none; background: var(--bg-input);
    border-radius: 3px; outline: none;
}
.range-input::-webkit-slider-thumb {
    appearance: none; width: 18px; height: 18px; border-radius: 50%;
    background: var(--accent); cursor: pointer; border: 3px solid var(--bg-dark);
    box-shadow: 0 0 8px var(--accent-glow);
}

.mt-12 { margin-top: 12px; }

/* ── BUTTONS ─────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 18px; font-size: 13px; font-weight: 600;
    font-family: var(--font); border: 1px solid var(--border);
    border-radius: var(--radius-sm); cursor: pointer;
    background: var(--bg-card); color: var(--text);
    transition: all .2s;
}
.btn:hover { background: var(--bg-input); border-color: var(--text-muted); }
.btn:active { transform: scale(.97); }

.btn-primary {
    background: var(--accent); border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-full { width: 100%; }
.btn-sm { padding: 10px 14px; font-size: 12.5px; flex-shrink: 0; }

/* ── MODE SELECTOR ───────────────────────────────── */
.mode-selector { display: flex; gap: 6px; }
.mode-btn {
    flex: 1; padding: 10px; text-align: center; font-size: 18px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); cursor: pointer; transition: all .2s;
}
.mode-btn:hover { border-color: var(--text-muted); }
.mode-btn.active { border-color: var(--accent); background: var(--bg-card); box-shadow: 0 0 0 3px var(--accent-glow); }

/* ── RESULT CARDS ────────────────────────────────── */
.result-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px 16px;
    font-size: 13px; line-height: 1.7;
}
.result-card .label { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.result-card .value { color: var(--text); font-weight: 500; }
.result-card .coord { font-family: var(--mono); font-size: 12px; color: var(--accent); }

.results-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 10px; font-size: 12px; color: var(--text-dim);
}

.results-list { display: flex; flex-direction: column; gap: 8px; }

.place-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 14px;
    cursor: pointer; transition: all .2s;
}
.place-item:hover { border-color: var(--accent); transform: translateX(3px); }
.place-item .place-name { font-size: 13.5px; font-weight: 600; margin-bottom: 3px; }
.place-item .place-address { font-size: 12px; color: var(--text-dim); line-height: 1.4; }
.place-item .place-meta { display: flex; align-items: center; gap: 10px; margin-top: 6px; font-size: 11.5px; }
.place-item .rating { color: var(--warn); font-weight: 600; }
.place-item .place-type { color: var(--text-muted); background: var(--bg-input); padding: 2px 8px; border-radius: 4px; font-size: 10.5px; }

/* ── ROUTE SUMMARY ───────────────────────────────── */
.route-summary { display: flex; flex-direction: column; gap: 10px; }

/* Waypoints */
.waypoint-row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.waypoint-row input { flex: 1; padding: 9px 12px; font-size: 13px; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font); outline: none; transition: border .2s; }
.waypoint-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.waypoint-row input::placeholder { color: var(--text-muted); }
.wp-num { font-size: 11px; font-weight: 700; color: var(--accent); min-width: 18px; text-align: center; font-family: var(--mono); }
.btn-remove-wp { background: none; border: 1px solid var(--border); color: var(--danger); width: 30px; height: 30px; border-radius: 6px; cursor: pointer; font-size: 14px; display: grid; place-items: center; transition: all .15s; flex-shrink: 0; }
.btn-remove-wp:hover { background: rgba(248,113,113,.12); border-color: var(--danger); }
.btn-add-wp { background: var(--bg-card); border: 1px dashed var(--border); color: var(--text-dim); font-size: 12px; padding: 8px; border-radius: var(--radius-sm); cursor: pointer; transition: all .2s; }
.btn-add-wp:hover { border-color: var(--accent); color: var(--accent); }
.btn-loc { padding: 10px 12px; font-size: 15px; flex-shrink: 0; }
.text-dim { color: var(--text-muted); font-weight: 400; font-size: 10.5px; }
.mt-8 { margin-top: 8px; }
.route-stat {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 12px 14px;
}
.route-stat .stat-label { font-size: 12px; color: var(--text-dim); }
.route-stat .stat-value { font-size: 16px; font-weight: 700; color: var(--accent); font-family: var(--mono); }

.route-leg {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 10px 14px;
    font-size: 12.5px; line-height: 1.6;
}
.route-leg .leg-idx { font-weight: 700; color: var(--accent); margin-right: 6px; }
.route-leg .leg-info { color: var(--text-dim); }

/* ── AUTOCOMPLETE ────────────────────────────────── */
.autocomplete-list {
    max-height: 200px; overflow-y: auto;
    display: flex; flex-direction: column;
}
.autocomplete-item {
    padding: 10px 14px; font-size: 13px; cursor: pointer;
    border-bottom: 1px solid var(--border); transition: background .15s;
}
.autocomplete-item:hover { background: var(--bg-card); }
.autocomplete-item:last-child { border-bottom: none; }

/* ── SIDEBAR FOOTER ──────────────────────────────── */
.sidebar-footer {
    padding: 12px 20px; border-top: 1px solid var(--border);
    font-size: 11px; color: var(--text-muted); text-align: center;
    margin-top: auto;
}

/* ── MOBILE TOGGLE ───────────────────────────────── */
.mobile-toggle {
    display: none; position: fixed; top: 14px; left: 14px; z-index: 1001;
    width: 42px; height: 42px; border-radius: 10px;
    background: var(--bg-dark); border: 1px solid var(--border);
    color: var(--text); cursor: pointer;
    place-items: center; box-shadow: var(--shadow);
}

/* ── MAP ─────────────────────────────────────────── */
.map-container {
    position: fixed; top: 0; right: 0; bottom: 0;
    left: var(--sidebar-w); transition: left .3s cubic-bezier(.4,0,.2,1);
}
.sidebar.collapsed ~ .map-container { left: 0; }
#map { width: 100%; height: 100%; }

/* Leaflet tile overrides for dark feel */
.leaflet-control-zoom a {
    background: var(--bg-dark) !important; color: var(--text) !important;
    border-color: var(--border) !important;
}
.leaflet-control-attribution { font-size: 10px !important; opacity: .6; }

/* ── LOADING ─────────────────────────────────────── */
.loading-overlay {
    display: none; position: absolute; inset: 0; z-index: 900;
    background: rgba(15,17,23,.65); backdrop-filter: blur(4px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 14px; color: var(--text); font-size: 13px;
}
.loading-overlay.active { display: flex; }

.spinner {
    width: 32px; height: 32px; border: 3px solid var(--border);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── MODAL ───────────────────────────────────────── */
.modal-backdrop {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,.6); backdrop-filter: blur(5px);
    place-items: center;
}
.modal-backdrop.active { display: grid; }
.modal {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 14px; width: 92%; max-width: 480px;
    max-height: 80vh; overflow-y: auto; padding: 28px;
    position: relative; box-shadow: 0 20px 60px rgba(0,0,0,.5);
    animation: modalIn .25s ease-out;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(10px); } }
.modal-close {
    position: absolute; top: 14px; right: 16px;
    background: none; border: none; color: var(--text-dim);
    font-size: 22px; cursor: pointer; padding: 4px; line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal h2 { font-size: 18px; font-weight: 700; margin-bottom: 16px; letter-spacing: -.3px; }
.modal .detail-row { display: flex; gap: 8px; margin-bottom: 10px; font-size: 13px; line-height: 1.5; }
.modal .detail-label { color: var(--text-dim); min-width: 80px; font-weight: 500; flex-shrink: 0; }
.modal .detail-value { color: var(--text); }
.modal .detail-value a { color: var(--accent); text-decoration: none; }
.modal .detail-value a:hover { text-decoration: underline; }
.modal .review-item { background: var(--bg-card); border-radius: 8px; padding: 12px; margin-bottom: 8px; }
.modal .review-author { font-weight: 600; font-size: 12.5px; margin-bottom: 4px; }
.modal .review-text { font-size: 12.5px; color: var(--text-dim); line-height: 1.5; }
.modal .review-rating { color: var(--warn); font-size: 12px; margin-bottom: 4px; }

/* ── TOAST ───────────────────────────────────────── */
.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    z-index: 3000; padding: 12px 24px; border-radius: 10px;
    background: var(--bg-panel); border: 1px solid var(--border);
    color: var(--text); font-size: 13px; font-weight: 500;
    box-shadow: var(--shadow); animation: toastIn .3s ease-out;
    pointer-events: none;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 768px) {
    :root { --sidebar-w: 100vw; }
    .sidebar { width: 100%; height: 55vh; top: auto; bottom: 0; border-right: none; border-top: 1px solid var(--border); border-radius: 18px 18px 0 0; }
    .sidebar.collapsed { transform: translateY(calc(55vh - 52px)); }
    .map-container { left: 0; bottom: 55vh; }
    .sidebar.collapsed ~ .map-container { bottom: 52px; }
    .mobile-toggle { display: grid; }
    .sidebar-toggle { display: none; }
    .tab-panel { padding-bottom: 30px; }
}