/* ============================================================
   GIS TERRAIN VIEWER — Overlay styles
   Dark glass UI on top of Qgis2threejs viewer.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700&family=IBM+Plex+Sans:wght@300;400;500&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── TOKENS ──────────────────────────────────────────────── */

:root {
  --ov-bg: #0B1120;
  --ov-surface: rgba(15, 23, 42, 0.88);
  --ov-glass: rgba(15, 23, 42, 0.62);
  --ov-glass-border: rgba(255, 255, 255, 0.08);
  --ov-glass-hover: rgba(255, 255, 255, 0.14);
  --ov-text: #E2E8F0;
  --ov-text-muted: #64748B;
  --ov-accent: #2DD4BF;
  --ov-accent-dim: rgba(45, 212, 191, 0.12);
  --ov-radius: 12px;
  --ov-radius-sm: 8px;
  --ov-font-display: 'Syne', sans-serif;
  --ov-font-body: 'IBM Plex Sans', sans-serif;
  --ov-font-mono: 'IBM Plex Mono', monospace;
  --ov-ease: 280ms cubic-bezier(.25,.46,.45,.94);
}

/* ── BASE OVERRIDES ──────────────────────────────────────── */

body {
  font-family: var(--ov-font-body) !important;
  background: var(--ov-bg) !important;
}

/* ── LOADING SCREEN ──────────────────────────────────────── */

#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--ov-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}

#loading-screen.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  max-width: 360px;
  padding: 0 24px;
}

.loader-icon {
  margin-bottom: 28px;
  color: var(--ov-accent);
}

.loader-icon svg {
  width: 44px;
  height: 44px;
  animation: ov-pulse 2s ease-in-out infinite;
}

.loader-brand {
  font-family: var(--ov-font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--ov-accent);
  margin-bottom: 14px;
}

.loader-title {
  font-family: var(--ov-font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--ov-text);
  margin-bottom: 6px;
  letter-spacing: -.02em;
}

.loader-subtitle {
  font-size: 13px;
  color: var(--ov-text-muted);
  margin-bottom: 36px;
}

.loader-bar-track {
  width: 100%;
  height: 3px;
  background: rgba(255,255,255,.06);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--ov-accent), #818CF8);
  border-radius: 3px;
  transition: width .3s ease;
}

.loader-percent {
  font-family: var(--ov-font-mono);
  font-size: 11px;
  color: var(--ov-text-muted);
}

@keyframes ov-pulse {
  0%, 100% { opacity: .55; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.06); }
}

/* ── CUSTOM TOP NAV ──────────────────────────────────────── */

#custom-nav {
  position: fixed;
  top: 14px;
  left: 14px;
  right: 14px;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: var(--ov-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--ov-glass-border);
  border-radius: var(--ov-radius);
  opacity: 0;
  transform: translateY(-12px);
  animation: ov-slide-in .5s ease .8s forwards;
}

.nav-back {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ov-text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: color var(--ov-ease);
  min-width: 90px;
}

.nav-back:hover { color: var(--ov-text); }
.nav-back svg   { flex-shrink: 0; }

.nav-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.nav-center__label {
  font-family: var(--ov-font-mono);
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ov-accent);
}

.nav-center__name {
  font-family: var(--ov-font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--ov-text);
  letter-spacing: -.01em;
}

.nav-coords {
  font-family: var(--ov-font-mono);
  font-size: 11px;
  color: rgba(148, 163, 184, 0.9);
  min-width: 90px;
  text-align: right;
}

@keyframes ov-slide-in {
  to { opacity: 1; transform: translateY(0); }
}

/* ── CONTROLS HINT ───────────────────────────────────────── */

#controls-hint {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(11,17,32,.45);
  backdrop-filter: blur(3px);
  cursor: pointer;
  transition: opacity .4s ease, visibility .4s ease;
}

#controls-hint.dismissed {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hint-grid {
  display: flex;
  gap: 28px;
  margin-bottom: 28px;
}

.hint-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hint-key {
  font-family: var(--ov-font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ov-text);
  padding: 7px 18px;
  background: var(--ov-surface);
  border: 1px solid var(--ov-glass-border);
  border-radius: var(--ov-radius-sm);
}

.hint-action {
  font-size: 11px;
  color: var(--ov-text-muted);
}

.hint-dismiss {
  font-size: 12px;
  color: var(--ov-text-muted);
  animation: ov-pulse 2s ease-in-out infinite;
}

/* ── QGIS OVERRIDES — Header ────────────────────────────── */

#header {
  font-family: var(--ov-font-display) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--ov-text) !important;
  background: var(--ov-glass) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  padding: 8px 14px !important;
  margin: 0 !important;
  top: 68px !important;
  left: 14px !important;
  border-radius: var(--ov-radius-sm) !important;
  border: 1px solid var(--ov-glass-border) !important;
  letter-spacing: -.01em;
}

/* ── QGIS OVERRIDES — Toolbar ───────────────────────────── */

#toolbtns {
  background: var(--ov-glass) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--ov-glass-border) !important;
  border-radius: var(--ov-radius-sm) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.25) !important;
  margin: 0 !important;
  top: 118px !important;
  left: 14px !important;
  overflow: hidden;
}

#toolbtns > div {
  background: transparent !important;
  transition: background var(--ov-ease);
}

#toolbtns > div:hover {
  background: rgba(255,255,255,.08) !important;
}

#toolbtns > div::before {
  opacity: .7 !important;
  filter: invert(1) !important;
}

/* ── QGIS OVERRIDES — Layer panel ───────────────────────── */

#layerpanel {
  background: var(--ov-surface) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1px solid var(--ov-glass-border) !important;
  border-radius: var(--ov-radius-sm) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.35) !important;
  margin: 0 !important;
  top: 68px !important;
  left: 52px !important;
  color: var(--ov-text) !important;
  font-size: 12px !important;
  min-width: 200px;
}

.layer {
  padding: 10px 12px !important;
  border-bottom: 1px solid var(--ov-glass-border);
}

.layer > div {
  color: var(--ov-text-muted) !important;
  font-size: 12px !important;
}

.layer input[type="range"] {
  accent-color: var(--ov-accent);
}

/* ── QGIS OVERRIDES — Popup ─────────────────────────────── */

#popup {
  background: var(--ov-surface) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1px solid var(--ov-glass-border) !important;
  border-radius: var(--ov-radius) !important;
  box-shadow: 0 12px 40px rgba(0,0,0,.4) !important;
  color: var(--ov-text) !important;
  margin: 0 !important;
  top: 68px !important;
  left: 14px !important;
}

#popupbar {
  border-bottom: 1px solid var(--ov-glass-border) !important;
  padding: 8px 12px !important;
}

#closebtn {
  color: var(--ov-text-muted) !important;
  font-size: 18px !important;
  width: 24px !important;
  height: 24px !important;
  line-height: 24px !important;
  border-radius: 4px;
  transition: background var(--ov-ease);
}

#closebtn:hover {
  background: rgba(255,255,255,.08) !important;
  color: var(--ov-text) !important;
}

#popupbody {
  padding: 8px 12px 12px !important;
}

#popupbody table caption {
  background: var(--ov-accent-dim) !important;
  color: var(--ov-accent) !important;
  font-family: var(--ov-font-mono) !important;
  font-size: 10px !important;
  letter-spacing: .08em !important;
  text-transform: uppercase !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
}

#popupbody table td {
  color: var(--ov-text-muted) !important;
  font-size: 12px !important;
  padding: 4px 8px !important;
}

#qr_layername_table tr,
#qr_coords_table tr {
  background: rgba(255,255,255,.04) !important;
}

#qr_attrs_table tr:nth-child(odd) {
  background: rgba(255,255,255,.04) !important;
}

.action-btn {
  border: 1px solid var(--ov-glass-border) !important;
  color: var(--ov-text-muted) !important;
  font-family: var(--ov-font-body) !important;
  font-size: 11px !important;
  padding: 4px 10px !important;
  border-radius: 4px !important;
  transition: all var(--ov-ease) !important;
}

.action-btn:hover {
  background: rgba(255,255,255,.08) !important;
  color: var(--ov-text) !important;
  border-color: var(--ov-glass-hover) !important;
}

/* ── QGIS OVERRIDES — Pageinfo ──────────────────────────── */

#pageinfo {
  color: var(--ov-text-muted) !important;
}

#pageinfo > h1 {
  background: var(--ov-accent-dim) !important;
  color: var(--ov-accent) !important;
  font-family: var(--ov-font-mono) !important;
  font-size: 10px !important;
  letter-spacing: .08em !important;
  text-transform: uppercase !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
}

#usage tr:nth-child(odd) {
  background: rgba(255,255,255,.04) !important;
}

#usage td {
  color: var(--ov-text-muted) !important;
  font-size: 12px !important;
}

#urlbox {
  background: rgba(255,255,255,.06) !important;
  border: 1px solid var(--ov-glass-border) !important;
  color: var(--ov-text) !important;
  font-family: var(--ov-font-mono) !important;
  font-size: 11px !important;
  border-radius: 4px !important;
  padding: 4px 8px !important;
}

/* ── QGIS OVERRIDES — Progress ──────────────────────────── */

#progress {
  z-index: 10000;
}

#progressbar {
  background: linear-gradient(90deg, var(--ov-accent), #818CF8) !important;
  height: 3px !important;
}

/* ── QGIS OVERRIDES — North arrow ───────────────────────── */

#northarrow {
  bottom: 20px !important;
  left: 16px !important;
  opacity: .7;
}

/* ── QGIS OVERRIDES — Narrative box ─────────────────────── */

#narrativebox {
  background: var(--ov-surface) !important;
  border: 1px solid var(--ov-glass-border) !important;
  border-radius: var(--ov-radius-sm) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.3) !important;
  color: var(--ov-text) !important;
}

#nextbtn {
  border: 1px solid var(--ov-glass-border) !important;
  color: var(--ov-text-muted) !important;
  font-family: var(--ov-font-body) !important;
  border-radius: 4px !important;
}

#nextbtn:hover {
  background: rgba(255,255,255,.08) !important;
}

/* ── FOOTER BADGE ────────────────────────────────────────── */

#custom-footer {
  position: fixed;
  bottom: 14px;
  right: 14px;
  z-index: 9000;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  font-family: var(--ov-font-mono);
  font-size: 10px;
  color: var(--ov-text);
  letter-spacing: .04em;
  opacity: 0;
  animation: ov-slide-in .5s ease 1.2s forwards;
}

#custom-footer .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ov-accent);
  animation: ov-pulse 2.5s ease-in-out infinite;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */

@media (max-width: 600px) {
  #custom-nav {
    top: 8px;
    left: 8px;
    right: 8px;
    padding: 8px 12px;
  }

  .nav-center__name { font-size: 12px; }
  .nav-coords { display: none; }

  .hint-grid {
    flex-direction: column;
    gap: 14px;
  }

  #header { top: 58px !important; left: 8px !important; }
  #toolbtns { top: 108px !important; left: 8px !important; }
  #layerpanel { top: 58px !important; left: 42px !important; }
  #popup { top: 58px !important; left: 8px !important; }
}