/* ════════════════════════════════════════════════════════════
   VOYAGR v2 — Travel Route Planner  ·  Made with ☕ by Ralph Rosael
   ════════════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg:           #f5f3ef;
  --surface:      #ffffff;
  --surface-2:    #f0ede8;
  --border:       #e4e0d8;
  --text:         #1a1714;
  --text-muted:   #7c776e;
  --accent:       #c9602b;
  --accent-light: #f5e0d3;
  --accent-dark:  #a84d20;
  --success:      #2d7d46;
  --info:         #1a56a0;
  --danger:       #d64040;
  --danger-light: #fce8e8;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.14);
  --radius:       12px;
  --radius-sm:    8px;
  --sidebar-w:    340px;
  --topbar-h:     58px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --transition:   .2s cubic-bezier(.4,0,.2,1);
}

.dark-mode {
  --bg:           #131210;
  --surface:      #1e1c19;
  --surface-2:    #28261f;
  --border:       #3a3730;
  --text:         #f0ede7;
  --text-muted:   #8a8579;
  --accent:       #e07b4a;
  --accent-light: #3a2218;
  --accent-dark:  #f0935e;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.3);
  --shadow-md:    0 4px 16px rgba(0,0,0,.35);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.5);
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}

/* ── TOP BAR ─────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), border-color var(--transition);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon { width: 28px; height: 28px; stroke: var(--accent); flex-shrink: 0; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}

.brand-tagline {
  font-size: .72rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-left: 4px;
}

.topbar-actions { display: flex; align-items: center; gap: 6px; }

/* ── ICON BUTTONS ────────────────────────────────────────────── */
.icon-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.icon-btn svg { width: 15px; height: 15px; stroke: currentColor; flex-shrink: 0; }

.icon-btn:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.icon-btn.accent {
  background: var(--accent);
  border-color: var(--accent-dark);
  color: #fff;
}
.icon-btn.accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
}

.icon-btn.danger:hover {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger);
}

.icon-btn:active { transform: translateY(0); box-shadow: none; }
.icon-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.theme-toggle .moon-icon { display: none; }
.dark-mode .theme-toggle .sun-icon { display: none; }
.dark-mode .theme-toggle .moon-icon { display: block; }

/* ── LAYOUT ──────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  height: 100vh;
  padding-top: var(--topbar-h);
}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}

/* ── ① GEOCODING SEARCH BAR ──────────────────────────────────── */
.search-bar-wrap {
  padding: 12px 12px 0;
  position: relative;
  flex-shrink: 0;
  z-index: 200;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--surface);
}

.search-icon {
  width: 15px; height: 15px;
  stroke: var(--text-muted);
  flex-shrink: 0;
}

#search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--text);
  padding: 10px 0;
  outline: none;
}

#search-input::placeholder { color: var(--text-muted); }

.search-clear {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  padding: 2px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}
.search-clear svg { width: 14px; height: 14px; }
.search-clear:hover { color: var(--text); background: var(--border); }

.search-results {
  list-style: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 12px; right: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  max-height: 240px;
  overflow-y: auto;
  z-index: 300;
  display: none;
}

.search-results.open { display: block; }

.search-result-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid var(--border);
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--surface-2); }

.search-result-item svg {
  width: 14px; height: 14px;
  stroke: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.sri-name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.sri-sub {
  font-size: .72rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.search-result-item.loading {
  color: var(--text-muted);
  font-size: .82rem;
  justify-content: center;
  padding: 14px;
}

/* ── SIDEBAR HEADER ──────────────────────────────────────────── */
.sidebar-header {
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.sidebar-header h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.stop-count {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 9px;
  border-radius: 20px;
}

/* ── SUMMARY CARD ────────────────────────────────────────────── */
.summary-card {
  margin: 12px 12px 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.summary-row {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}
.summary-row:last-child { margin-bottom: 0; }

.summary-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-item svg { width: 13px; height: 13px; stroke: rgba(255,255,255,.7); margin-bottom: 1px; }

.summary-label {
  font-size: .65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
  opacity: .75;
}

.summary-value {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.routing-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,.2);
  font-size: .68rem;
  font-weight: 500;
  opacity: .85;
}

.routing-badge svg { width: 11px; height: 11px; stroke: #fff; }

/* ── STOP LIST ───────────────────────────────────────────────── */
.stop-list {
  flex: 1;
  overflow-y: auto;
  list-style: none;
  padding: 8px 0 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.stop-list::-webkit-scrollbar { width: 4px; }
.stop-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.stop-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 36px 24px;
  color: var(--text-muted);
  text-align: center;
}

.stop-empty svg { width: 32px; height: 32px; stroke: var(--border); }
.stop-empty p { font-size: .82rem; line-height: 1.5; max-width: 200px; }

/* ── STOP ITEM ───────────────────────────────────────────────── */
.stop-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 12px;
  cursor: grab;
  transition: background var(--transition), transform var(--transition);
  border-radius: var(--radius-sm);
  margin: 2px 8px;
  animation: slideIn .25s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.stop-item:hover { background: var(--surface-2); }
.stop-item.dragging { opacity: .5; cursor: grabbing; background: var(--accent-light); }
.stop-item.drag-over { transform: translateY(2px); }

.stop-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 23px;
  bottom: -8px;
  width: 2px;
  height: 10px;
  background: var(--border);
  border-radius: 1px;
}

.stop-number {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}

.stop-number.first { background: var(--success); }
.stop-number.last  { background: var(--info); }

.stop-details { flex: 1; min-width: 0; }

/* ③ Named stop label */
.stop-name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
  cursor: pointer;
}

.stop-name:hover { color: var(--accent); }

.stop-coords {
  font-size: .7rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  margin-bottom: 2px;
}

.stop-distance {
  font-size: .7rem;
  color: var(--accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stop-distance svg { width: 10px; height: 10px; stroke: currentColor; }
.stop-distance.road { color: var(--success); }

.stop-remove {
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  opacity: 0;
  transition: all var(--transition);
  flex-shrink: 0;
  margin-top: 2px;
}

.stop-remove svg { width: 13px; height: 13px; }
.stop-item:hover .stop-remove { opacity: 1; }
.stop-remove:hover { background: var(--danger-light); color: var(--danger); }

/* ── ② ELEVATION PANEL ───────────────────────────────────────── */
.elevation-panel {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  padding: 10px 12px 12px;
}

.elevation-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .73rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
}

.elevation-header svg { width: 14px; height: 14px; stroke: var(--accent); }

.elevation-range {
  margin-left: auto;
  font-size: .68rem;
  font-weight: 500;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.elevation-chart-wrap {
  height: 80px;
  position: relative;
}

/* ── SIDEBAR FOOTER ──────────────────────────────────────────── */
.sidebar-footer {
  padding: 8px 16px 10px;
  border-top: 1px solid var(--border);
  font-size: .7rem;
  color: var(--text-muted);
  text-align: center;
  flex-shrink: 0;
}

/* ── MAP ─────────────────────────────────────────────────────── */
.map-container { flex: 1; position: relative; overflow: hidden; }
#map { width: 100%; height: 100%; background: var(--bg); }

.dark-mode .leaflet-tile {
  filter: brightness(.75) invert(1) contrast(3) hue-rotate(200deg) saturate(.3) brightness(.7);
}

/* ── MAP HINT ────────────────────────────────────────────────── */
.map-hint {
  position: absolute;
  bottom: 64px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .78rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 7px;
  pointer-events: none;
  transition: opacity .4s, transform .4s;
  z-index: 500;
  white-space: nowrap;
}

.map-hint svg { width: 14px; height: 14px; stroke: var(--accent); }

.map-hint.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
}

/* ── ⑥ ROUTING TOGGLE ────────────────────────────────────────── */
.routing-toggle {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  z-index: 500;
}

.route-mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.route-mode-btn svg { width: 14px; height: 14px; stroke: currentColor; }

.route-mode-btn.active {
  background: var(--accent);
  color: #fff;
}

.route-mode-btn:not(.active):hover {
  background: var(--surface-2);
  color: var(--text);
}

/* ── CUSTOM MARKERS ──────────────────────────────────────────── */
.custom-marker { display: flex; flex-direction: column; align-items: center; cursor: pointer; }

.marker-pin {
  width: 32px; height: 32px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-body);
  box-shadow: 0 3px 10px rgba(0,0,0,.25);
  transition: transform .2s;
}

.marker-pin:hover { transform: rotate(-45deg) scale(1.1); }
.marker-pin .pin-label { transform: rotate(45deg); line-height: 1; font-size: 9px; text-align: center; max-width: 24px; overflow: hidden; }
.marker-pin.first { background: var(--success, #2d7d46); }
.marker-pin.last  { background: var(--info, #1a56a0); }
.marker-pin.mid   { background: var(--accent, #c9602b); }

/* ── MODAL ───────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 360px;
  max-width: calc(100vw - 32px);
  box-shadow: var(--shadow-lg);
  animation: scaleIn .2s cubic-bezier(.34,1.56,.64,1);
}

@keyframes scaleIn { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: scale(1); } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition);
  display: flex;
}
.modal-close svg { width: 16px; height: 16px; }
.modal-close:hover { background: var(--surface-2); color: var(--text); }

.modal-coords {
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}

.modal-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .88rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  margin-bottom: 14px;
}

.modal-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--surface);
}

.modal-input::placeholder { color: var(--text-muted); }

.modal-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.modal-btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.modal-btn.primary {
  background: var(--accent);
  border-color: var(--accent-dark);
  color: #fff;
}
.modal-btn.primary:hover { background: var(--accent-dark); }
.modal-btn.secondary { background: var(--surface-2); color: var(--text); }
.modal-btn.secondary:hover { background: var(--border); }

/* ── TOAST ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text);
  color: var(--surface);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  max-width: 300px;
}

.toast.show { opacity: 1; transform: translateY(0); }

/* ── LEAFLET OVERRIDES ───────────────────────────────────────── */
.leaflet-control-zoom {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  box-shadow: var(--shadow-md) !important;
}

.leaflet-control-zoom a {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-bottom: 1px solid var(--border) !important;
  font-family: var(--font-body) !important;
  transition: background var(--transition) !important;
}

.leaflet-control-zoom a:hover {
  background: var(--surface-2) !important;
  color: var(--accent) !important;
}

.leaflet-popup-content-wrapper {
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-md) !important;
  padding: 0 !important;
  overflow: hidden;
  font-family: var(--font-body) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  border: 1px solid var(--border);
}

.leaflet-popup-content { margin: 0 !important; width: auto !important; }

.popup-inner { padding: 12px 16px; min-width: 190px; }

.popup-title { font-weight: 600; font-size: .85rem; margin-bottom: 2px; color: var(--text); }
.popup-coords { font-size: .72rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.leaflet-popup-tip { background: var(--surface) !important; }
.leaflet-popup-close-button { color: var(--text-muted) !important; font-size: 18px !important; padding: 4px 6px !important; }

/* ── LOADING SPINNER (route fetching) ────────────────────────── */
.route-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-muted);
  box-shadow: var(--shadow-md);
  z-index: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}

.route-loading.visible { opacity: 1; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --sidebar-w: 100vw; }

  .app-layout { flex-direction: column; }

  .sidebar {
    width: 100%;
    max-height: 48vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
    order: 2;
  }

  .map-container { order: 1; flex: 1; }
  .brand-tagline { display: none; }
  .icon-btn span { display: none; }
  .icon-btn { padding: 8px; }
  .map-hint { font-size: .72rem; padding: 6px 12px; }
}