/* ============================================
   TravelPlanner - Interactive Map Stylesheet
   ============================================ */

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

:root {
  --sky: #e8f4fd;
  --blue: #3a9bd5;
  --blue-dark: #2a7ab5;
  --orange: #f5a623;
  --orange-dark: #d4891a;
  --white: #ffffff;
  --bg: #fafcfe;
  --text: #2c3e50;
  --text-light: #5a6d7e;
  --text-muted: #95a5b6;
  --border: #e8ecf1;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
  --danger: #e74c3c;
  --success: #27ae60;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body { font-family: var(--font); color: var(--text); background: var(--bg); }
a { color: var(--blue); text-decoration: none; }

/* --- Toolbar --- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .5rem 1rem;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1000;
}

.toolbar__logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
.toolbar__logo-icon { font-size: 1.4rem; }

.toolbar__actions { display: flex; gap: .5rem; align-items: center; }

.toolbar__btn {
  padding: .4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--white);
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--transition);
  font-family: var(--font);
}
.toolbar__btn:hover { border-color: var(--blue); color: var(--blue); }

.toolbar__btn--primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  border-color: transparent;
}
.toolbar__btn--primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,166,35,.3); }

.toolbar__btn--danger { color: var(--danger); border-color: var(--danger); }
.toolbar__btn--danger:hover { background: #ffeef0; }

/* --- Layout --- */
.app {
  display: grid;
  grid-template-columns: 360px 1fr;
  height: calc(100vh - 49px);
}

/* --- Sidebar --- */
.sidebar {
  overflow-y: auto;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar__header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .25rem;
}

.sidebar__sub {
  font-size: .8rem;
  color: var(--text-muted);
}

/* Trip selector */
.trip-selector {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: .5rem;
  align-items: center;
}

.trip-selector select {
  flex: 1;
  padding: .4rem .6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

.trip-selector select:focus { outline: none; border-color: var(--blue); }

.trip-selector__btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.trip-selector__btn:hover { border-color: var(--blue); color: var(--blue); }

/* Pin list */
.pin-list {
  flex: 1;
  overflow-y: auto;
  padding: .5rem;
}

.pin-list__empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.pin-list__empty-icon { font-size: 3rem; margin-bottom: .75rem; display: block; }
.pin-list__empty-text { font-size: .9rem; }
.pin-list__empty-hint { font-size: .8rem; margin-top: .25rem; }

.pin-card {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .5rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.pin-card:hover { border-color: var(--blue); background: var(--sky); }
.pin-card.active { border-color: var(--orange); background: #fef8ee; }

.pin-card__number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pin-card__body { flex: 1; min-width: 0; }

.pin-card__name {
  font-size: .9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pin-card__meta {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.pin-card__remove {
  position: absolute;
  top: .5rem;
  right: .5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: .8rem;
  padding: 2px;
  transition: color var(--transition);
  opacity: 0;
}
.pin-card:hover .pin-card__remove { opacity: 1; }
.pin-card__remove:hover { color: var(--danger); }

/* Sidebar footer stats */
.sidebar__stats {
  padding: .75rem 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 1rem;
  font-size: .8rem;
  color: var(--text-muted);
  background: var(--bg);
}

.sidebar__stat { display: flex; align-items: center; gap: 4px; }
.sidebar__stat strong { color: var(--text); font-weight: 700; }

/* --- Map Container --- */
.map-wrap {
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
}

/* --- Detail Panel (overlay on map) --- */
.detail-panel {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 340px;
  max-height: calc(100% - 2rem);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 800;
  overflow-y: auto;
  display: none;
}
.detail-panel.active { display: block; }

.detail-panel__close {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  z-index: 1;
}
.detail-panel__close:hover { color: var(--text); }

.detail-panel__header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.detail-panel__name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .25rem;
}

.detail-panel__coords {
  font-size: .75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.detail-panel__body { padding: 1rem 1.25rem; }

.detail-field { margin-bottom: .75rem; }
.detail-field label {
  display: block;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: .2rem;
}
.detail-field input,
.detail-field textarea,
.detail-field select {
  width: 100%;
  padding: .45rem .6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
}
.detail-field input:focus,
.detail-field textarea:focus,
.detail-field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(58,155,213,.12);
}
.detail-field textarea { resize: vertical; min-height: 60px; }

.detail-panel__actions {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: .5rem;
}

.detail-panel__actions .toolbar__btn { flex: 1; text-align: center; justify-content: center; }

/* --- New Trip Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 420px;
  transform: translateY(12px);
  transition: transform var(--transition);
}
.modal-overlay.active .modal { transform: translateY(0); }

.modal__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal .detail-field { margin-bottom: .75rem; }

.modal__actions {
  display: flex;
  gap: .5rem;
  margin-top: 1rem;
}
.modal__actions .toolbar__btn { flex: 1; text-align: center; }

/* --- Map Add-Pin Hint --- */
.map-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 800;
  background: var(--white);
  padding: .5rem 1.25rem;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  font-size: .85rem;
  font-weight: 500;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.map-hint.active { opacity: 1; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }

  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 45vh;
    z-index: 900;
    border-right: none;
    border-top: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    transform: translateY(calc(100% - 48px));
    transition: transform var(--transition);
  }
  .sidebar.open { transform: translateY(0); }

  .sidebar__header {
    cursor: pointer;
    position: relative;
  }
  .sidebar__header::after {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 4px;
    margin: 0 auto;
    position: absolute;
    top: .5rem;
    left: 50%;
    transform: translateX(-50%);
  }

  .map-wrap { height: calc(100vh - 49px); }

  .detail-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 60vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
}