:root {
  --bg: #101719;
  --surface: #172124;
  --surface-2: #202e31;
  --border: #385055;
  --text: #f2eee5;
  --text-muted: #a8b9b5;
  --accent: #f2b880;
  --accent-soft: rgba(242, 184, 128, 0.15);
  --echo: #81d0bd;
  --echo-soft: rgba(129, 208, 189, 0.15);
  --radius: 12px;
  --shadow: 0 18px 50px rgba(0,0,0,0.28);
  --body: 'Trebuchet MS', system-ui, sans-serif;
  --display: Georgia, 'Times New Roman', serif;
}

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

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

  /* Header */
  header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(23, 33, 36, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.logo h1 {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 400;
  margin-left: 2px;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 9px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #1a1a1a;
  padding: 10px 16px;
  box-shadow: 0 7px 20px rgba(242, 184, 128, 0.15);
}

.btn-primary:hover {
  background: #f0b88a;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 9px 12px;
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

/* Main layout */
.main {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

#map {
  flex: 1;
  height: 100%;
  z-index: 1;
  position: relative;
  overflow: hidden;
  cursor: default;
  background-color: #183238;
  background-image:
    linear-gradient(rgba(129, 208, 189, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129, 208, 189, 0.08) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 50%, rgba(74, 137, 127, 0.28), transparent 68%);
  background-size: 10% 20%, 10% 20%, 100% 100%;
}

.leaflet-container {
  font-family: 'Trebuchet MS', system-ui, sans-serif;
  background: #183238;
}

.leaflet-control-zoom a {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.leaflet-control-zoom a:hover { background: var(--surface-2); color: var(--accent); }
.leaflet-control-attribution { font-size: 10px; }

.echo-pin {
  background: transparent;
  border: 0;
  transition: filter 0.15s ease;
  z-index: 1000 !important;
}

.pin-core {
  display: block;
  width: 18px;
  height: 18px;
  margin: 2px;
  background: var(--accent);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--accent-soft), 0 3px 10px rgba(0, 0, 0, 0.45);
  animation: pin-drop 1s both cubic-bezier(0.2, 0.8, 0.25, 1);
  animation-delay: var(--pin-delay, 0ms);
}

.echo-pin:hover .pin-core { transform: scale(1.35); }

.world-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.9;
  pointer-events: none;
}

.landmass {
  fill: #416d69;
  stroke: #76a79a;
  stroke-width: 0.55;
  stroke-linejoin: round;
  filter: drop-shadow(0 4px 8px rgba(8, 19, 21, 0.24));
}

#map::before {
  content: '';
  position: absolute;
  left: var(--user-x, -100%);
  top: var(--user-y, -100%);
  width: 13px;
  height: 13px;
  z-index: 3;
  transform: translate(-50%, -50%);
  background: var(--echo);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(129, 208, 189, 0.18), 0 0 24px rgba(129, 208, 189, 0.55);
}

#map::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background: repeating-linear-gradient(115deg, transparent 0 24px, rgba(242, 184, 128, 0.04) 25px, transparent 26px 50px);
}

.board-intro {
  position: absolute;
  top: 42px;
  left: 48px;
  z-index: 2;
  max-width: 310px;
  pointer-events: none;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.board-intro h2 {
  margin: 8px 0 6px;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  font-weight: 500;
  line-height: 1.05;
}

.board-intro p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }

.board-status {
  position: absolute;
  left: 48px;
  bottom: 28px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  background: rgba(16, 23, 25, 0.62);
  border: 1px solid rgba(168, 185, 181, 0.22);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.7rem;
  backdrop-filter: blur(10px);
}

.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--echo); box-shadow: 0 0 0 4px var(--echo-soft); }
.status-divider { width: 1px; height: 13px; background: var(--border); }

.coordinate-label { position: absolute; z-index: 2; right: 18px; color: var(--text-muted); font-size: 0.7rem; opacity: 0.8; }
.coordinate-north { top: 18px; }
.coordinate-south { bottom: 18px; }

/* Sidebar */
.sidebar {
  width: 390px;
  background: rgba(23, 33, 36, 0.98);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 500;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 22px 22px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h2 {
  margin-top: 3px;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--text);
}

.sidebar-kicker { color: var(--accent); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; }

.echo-count {
  background: var(--echo-soft);
  color: var(--echo);
  font-size: 0.75rem;
  min-width: 32px;
  padding: 7px 8px;
  text-align: center;
  border-radius: 20px;
  font-weight: 600;
}

.sidebar-note { padding: 0 22px 18px; color: var(--text-muted); font-size: 0.78rem; line-height: 1.45; border-bottom: 1px solid var(--border); }

.archive-tools { padding: 14px; display: grid; grid-template-columns: 1fr auto; gap: 8px; border-bottom: 1px solid var(--border); }
.search-box { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; padding: 9px 11px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text-muted); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; font-size: 0.82rem; }
.search-box:focus-within { border-color: var(--accent); }
.archive-tools select { min-width: 0; padding: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; color: var(--text-muted); font: inherit; font-size: 0.75rem; }
.random-btn { padding: 8px 10px; background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(242, 184, 128, 0.3); font-size: 0.75rem; }
.random-btn:hover { background: rgba(242, 184, 128, 0.24); }

.echo-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
}

.echo-card {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 9px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  animation: card-reveal 0.42s both cubic-bezier(0.2, 0.75, 0.25, 1);
  animation-delay: var(--card-delay, 0ms);
}

.echo-card:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}

.echo-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.echo-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.echo-card .author {
  font-weight: 500;
  color: var(--accent);
}

.echo-card .title {
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.3;
}

.echo-card .preview {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state p {
  margin-top: 8px;
  font-size: 0.9rem;
}

/* Modal / Form overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 14px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.modal-header {
  padding: 20px 24px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
}

.close-btn {
  background: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  padding: 4px;
}

.close-btn:hover {
  color: var(--text);
}

.modal-body {
  padding: 8px 24px 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
}

.location-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 8px 12px;
  background: var(--surface-2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.location-btn { margin: -6px 24px 18px; padding: 7px 10px; background: transparent; color: var(--echo); border: 1px solid rgba(129, 208, 189, 0.35); font-size: 0.76rem; }
.location-btn:hover { background: var(--echo-soft); }
.form-group label span { color: var(--text-muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
.form-group input[type="file"] { padding: 8px; font-size: 0.78rem; }
.photo-preview img { display: block; width: 100%; max-height: 150px; object-fit: cover; margin-top: 8px; border-radius: 8px; border: 1px solid var(--border); }

.modal-footer {
  padding: 0 24px 24px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.detail-actions { display: flex; gap: 10px; padding: 0 24px 24px; }
.detail-actions button { flex: 1; }
.btn-danger { padding: 9px 12px; background: transparent; color: #e58e83; border: 1px solid rgba(229, 142, 131, 0.45); }
.btn-danger:hover { background: rgba(229, 142, 131, 0.12); }

/* Story markers */
.echo-marker {
  position: absolute;
  z-index: 4;
  transform: translate(-50%, -50%);
  background: var(--accent);
  border: 3px solid var(--bg);
  border-radius: 50%;
  width: 18px !important;
  height: 18px !important;
  padding: 0;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.echo-marker:hover, .echo-marker:focus-visible { transform: translate(-50%, -50%) scale(1.45); box-shadow: 0 0 0 7px var(--accent-soft), 0 2px 12px rgba(0,0,0,0.5); outline: none; }

.popup-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.popup-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.popup-body {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
}

.detail-photo { display: block; width: 100%; max-height: 280px; object-fit: cover; margin: 0 0 16px; border-radius: 9px; }

@keyframes card-reveal {
  from { opacity: 0; transform: translateY(9px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pin-drop {
  0% { opacity: 0; transform: translateY(-16px) scale(0.7); }
  70% { opacity: 1; transform: translateY(3px) scale(1.08); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.echo-pin-selected .pin-core { box-shadow: 0 0 0 9px var(--accent-soft), 0 0 22px rgba(242, 184, 128, 0.8); transform: scale(1.35); }

.detail-modal { max-width: 520px; }

/* Floating add button (mobile) */
.fab {
  display: none;
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #1a1a1a;
  font-size: 28px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232, 168, 124, 0.4);
  z-index: 900;
  border: none;
}

.fab:hover {
  transform: scale(1.05);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface-2);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  z-index: 3000;
  transition: transform 0.3s ease;
  box-shadow: var(--shadow);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  animation: toast-arrive 0.28s ease-out;
}

@keyframes toast-arrive {
  from { opacity: 0; }
  to { opacity: 1; }
}

.overlay.open .modal { animation: modal-arrive 0.28s ease-out; }

@keyframes modal-arrive {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

/* Responsive */
@media (max-width: 800px) {
  header { padding: 12px 14px; }
  .logo span { display: none; }
  .header-actions { gap: 6px; }
  .header-actions .btn-ghost { padding: 8px 9px; font-size: 0; }
  .header-actions .btn-ghost::first-letter { font-size: 1rem; }
  #locateBtn::before { content: '⌖'; font-size: 1rem; }
  #exportBtn::before { content: '↓'; font-size: 1rem; }
  #importBtn::before { content: '↑'; font-size: 1rem; }
  #toggleSidebar { font-size: 1rem; }
  .header-actions .btn-primary { padding: 9px 11px; font-size: 0; }
  .header-actions .btn-primary::before { content: '+'; font-size: 1.2rem; }

  .sidebar {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    transform: translateX(100%);
    width: 100%;
    max-width: 360px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .board-intro { top: 28px; left: 24px; right: 24px; }
  .board-intro h2 { font-size: 2rem; }
  .board-status { left: 24px; bottom: 22px; }
  .coordinate-label { right: 12px; }

  .fab {
    display: flex;
  }

  .header-actions .btn-primary span {
    display: none;
  }
}

@media (max-width: 430px) {
  .logo-icon { width: 32px; height: 32px; font-size: 15px; }
  .logo h1 { font-size: 1.25rem; }
  .header-actions .btn-ghost { display: none; }
  .header-actions #toggleSidebar { display: inline-block !important; }
  .board-status { right: 24px; justify-content: center; }
  .board-status span:last-child { display: none; }
  .board-status .status-divider { display: none; }
}

/* Loading indicator for map */
.map-loading {
  position: absolute;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  color: var(--text-muted);
}