:root {
  --bg: #0a0a0a;
  --panel: #121212;
  --panel-2: #181818;
  --border: #2a2a2a;
  --text: #ededed;
  --text-dim: #969696;
  --text-faint: #5c5c5c;
  --accent: #f2f2f2;
  --accent-dim: #7a7a7a;
  --danger: #e6e6e6;
  --radius: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
}

#login-screen, #app {
  width: 100%;
  height: 100%;
}

.hidden { display: none !important; }

/* ---------------- LOGIN ---------------- */
#login-screen {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0e0e0e;
  position: relative;
  overflow: hidden;
}

#login-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.login-card {
  position: relative;
  z-index: 1;
  width: 320px;
  padding: 40px 32px 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-mark { margin-bottom: 14px; display: flex; justify-content: center; }

.login-card h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}

.login-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 26px;
}

#login-form, #register-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }

#login-form label, #register-form label { display: flex; flex-direction: column; gap: 6px; }

#login-form span, #register-form span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

#login-form input, #register-form input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.15s;
}
#login-form input:focus, #register-form input:focus { border-color: var(--accent-dim); }
#login-form input::placeholder, #register-form input::placeholder { color: var(--text-faint); }

#login-form button[type="submit"], #register-form button[type="submit"] {
  margin-top: 6px;
  background: var(--accent);
  color: #111111;
  border: none;
  border-radius: 7px;
  padding: 11px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: filter 0.15s;
  width: 100%;
}
#login-form button[type="submit"]:hover, #register-form button[type="submit"]:hover { filter: brightness(1.08); }

.login-error {
  min-height: 16px;
  color: var(--danger);
  font-size: 12.5px;
  margin: 2px 0 0;
}

.auth-toggle {
  margin-top: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  width: 100%;
  text-align: center;
}
.auth-toggle:hover { color: var(--text); }

/* ---------------- APP LAYOUT ---------------- */
#app { display: flex; height: 100%; width: 100%; }

#sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

#logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.15s;
}
#logout-btn:hover { color: var(--text); border-color: var(--text-faint); }

.search-wrap { padding: 14px 16px 8px; position: relative; }

#search-input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13.5px;
  outline: none;
}
#search-input:focus { border-color: var(--accent-dim); }

.ip-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 16px 4px;
}
#ip-input {
  flex: 1;
  min-width: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 12.5px;
  outline: none;
}
#ip-input:focus { border-color: var(--accent-dim); }
#ip-locate-btn {
  flex-shrink: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 8px 11px;
  font-size: 12px;
  cursor: pointer;
}
#ip-locate-btn:hover { color: var(--text); border-color: var(--text-faint); }
#ip-locate-btn:disabled { opacity: 0.5; cursor: default; }
.ip-clear-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}
.ip-clear-btn:hover { color: var(--text); border-color: var(--text-faint); }
.ip-error {
  min-height: 14px;
  padding: 0 16px 4px;
  font-size: 11px;
  color: var(--text-faint);
  margin: 0;
}

.search-results {
  position: absolute;
  left: 16px; right: 16px; top: 48px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 20;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.search-result-item {
  padding: 9px 12px;
  font-size: 12.5px;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--panel); color: var(--text); }

.folders-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.pin-count {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.folder-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 8px;
}

.folder-group { margin-bottom: 4px; }

.folder-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  border-radius: 6px;
  user-select: none;
}
.folder-title:hover { background: var(--panel-2); }
.folder-title .chevron {
  width: 10px; height: 10px;
  transition: transform 0.15s;
  color: var(--text-faint);
  flex-shrink: 0;
}
.folder-group.collapsed .chevron { transform: rotate(-90deg); }
.folder-title .fname { flex: 1; }
.folder-title .fcount { color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; }

.pin-items { padding-left: 20px; }
.folder-group.collapsed .pin-items { display: none; }

.pin-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-dim);
}
.pin-item:hover { background: var(--panel-2); color: var(--text); }
.pin-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.pin-item .pname {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-bottom {
  border-top: 1px solid var(--border);
}

.sidebar-hint {
  padding: 12px 16px;
  font-size: 11px;
  color: var(--text-faint);
}

.admin-key-btn {
  display: block;
  width: calc(100% - 32px);
  margin: 0 16px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 9px 10px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
}
.admin-key-btn:hover { color: var(--text); border-color: var(--text-faint); }

/* ---------------- MAP ---------------- */
#map-wrap { flex: 1; position: relative; min-width: 0; height: 100%; }
#map { height: 100%; width: 100%; background: var(--bg); }

/* CARTO's "dark" tiles carry a faint blue-gray tint — strip it so the map
   stays strictly black / white / gray as requested. */
.leaflet-tile-pane { filter: grayscale(100%) contrast(1.02); }

.coord-readout {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(18, 21, 25, 0.85);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  z-index: 500;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

/* Leaflet overrides for dark theme */
.leaflet-control-zoom a {
  background: var(--panel) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a:hover { background: var(--panel-2) !important; }
.leaflet-control-attribution {
  background: rgba(0,0,0,0.4) !important;
  color: var(--text-faint) !important;
  font-size: 9px !important;
  padding: 1px 5px !important;
  opacity: 0.6;
}
.leaflet-control-attribution a { color: var(--text-faint) !important; }
.leaflet-control-attribution:hover { opacity: 1; }

.leaflet-popup-content-wrapper {
  background: var(--panel) !important;
  color: var(--text) !important;
  border: 1px solid var(--border);
  border-radius: 8px !important;
}
.leaflet-popup-tip { background: var(--panel) !important; }
.leaflet-popup-content { font-family: var(--font-body); font-size: 13px; margin: 10px 12px; }
.popup-title { font-weight: 600; margin-bottom: 4px; }
.popup-note { color: var(--text-dim); font-size: 12px; white-space: pre-wrap; margin-bottom: 8px; }
.popup-edit {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  border-radius: 5px;
  padding: 4px 9px;
  font-size: 11.5px;
  cursor: pointer;
}

/* pin div-icon */
.pin-icon {
  width: 16px; height: 16px;
  background: var(--accent);
  border: 2px solid #0b0d10;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* ---------------- MODAL ---------------- */
.modal {
  position: fixed; inset: 0;
  background: rgba(5,6,8,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}
.modal-card {
  width: 360px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}
.modal-card h2 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 16px;
}
.modal-card label {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 12px;
}
.modal-card label span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.modal-card input, .modal-card textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 11px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13.5px;
  outline: none;
  resize: vertical;
}
.modal-card input:focus, .modal-card textarea:focus { border-color: var(--accent-dim); }

.modal-desc {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0 0 18px;
}

.color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
}
.color-swatch.selected {
  border-color: var(--text);
  box-shadow: 0 0 0 2px var(--panel);
}

.duration-picker {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.duration-option {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 10px 8px;
  font-size: 12.5px;
  cursor: pointer;
}
.duration-option:hover { color: var(--text); border-color: var(--text-faint); }
.duration-option.selected {
  background: var(--accent);
  color: #111111;
  border-color: var(--accent);
  font-weight: 600;
}

.generated-key-wrap { margin-bottom: 18px; }
.generated-key-wrap span {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.generated-key-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.generated-key-row code {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
}

.modal-coords {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.modal-actions { display: flex; justify-content: space-between; align-items: center; }
.modal-actions-right { display: flex; gap: 8px; }

.btn-primary {
  background: var(--accent);
  color: #111111;
  border: none;
  border-radius: 7px;
  padding: 9px 16px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 9px 14px;
  font-size: 13px;
  cursor: pointer;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-faint); }
.btn-ghost.danger {
  color: var(--danger);
  border-color: transparent;
  padding-left: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-ghost.danger:hover { color: #fff; }

/* scrollbars */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }