/* VR-GeoNusa — UI Styles */

* { box-sizing: border-box; }

body { margin: 0; overflow: hidden; font-family: 'Segoe UI', system-ui, sans-serif; }

/* ── Splash Screen ─────────────────────────────────── */
#splash {
  position: fixed; inset: 0; z-index: 9999;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #0F2027 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.6s ease;
}
#splash.fade-out { opacity: 0; pointer-events: none; }

#splash .logo-wrap { margin-bottom: 8px; }
#splash .logo-wrap svg { width: 64px; height: 64px; opacity: 0.9; }

#splash h1 {
  font-size: 2.8em; font-weight: 900; margin: 0;
  background: linear-gradient(90deg, #38BDF8, #818CF8, #A78BFA);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
#splash .tagline { color: #94A3B8; font-size: 1em; margin: 6px 0 28px; text-align: center; }

#splash .scene-list {
  display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; justify-content: center;
}
#splash .scene-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(129,140,248,0.2);
  border-radius: 12px; padding: 12px 18px; cursor: pointer;
  transition: background 0.2s, border-color 0.2s; text-align: center;
}
#splash .scene-card:hover,
#splash .scene-card.active { background: rgba(129,140,248,0.12); border-color: #818CF8; }
#splash .scene-card .sc-name { color: #E2E8F0; font-weight: 700; font-size: 0.95em; }
#splash .scene-card .sc-loc  { color: #64748B; font-size: 0.75em; margin-top: 2px; }

#splash button {
  padding: 14px 48px; border-radius: 14px; border: 2px solid #818CF8;
  background: linear-gradient(135deg, #312E81, #4338CA);
  color: #C7D2FE; font-size: 1.1em; font-weight: 700; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 20px rgba(99,102,241,0.3);
}
#splash button:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(99,102,241,0.45); }

#splash .meta { color: #475569; font-size: 0.72em; margin-top: 18px; text-align: center; line-height: 1.8; }

#splash .splash-input {
  width: 260px; padding: 11px 16px; margin-bottom: 14px; border-radius: 12px;
  border: 1px solid rgba(129,140,248,0.25); background: rgba(255,255,255,0.05);
  color: #E2E8F0; font-size: 0.95em; text-align: center; outline: none;
  transition: border-color 0.2s;
}
#splash .splash-input:focus { border-color: #818CF8; }
#splash .splash-input::placeholder { color: #64748B; }

#splash .login-mode-tabs {
  display: flex; gap: 6px; margin-bottom: 12px;
  background: rgba(255,255,255,0.04); border-radius: 12px; padding: 4px;
}
#splash .mode-tab {
  flex: 1; padding: 8px 0; border: none; border-radius: 9px; cursor: pointer;
  background: transparent; color: #64748B; font-size: 0.85em; font-weight: 700;
  transition: background 0.15s, color 0.15s;
}
#splash .mode-tab.active { background: rgba(129,140,248,0.18); color: #C7D2FE; }
#splash .splash-error { color: #ff7043; font-size: 0.75em; margin: -6px 0 10px; min-height: 1em; }

/* ── HUD (top-left) ────────────────────────────────── */
#hud {
  position: fixed; top: 16px; left: 16px; z-index: 100;
  pointer-events: none; font-family: inherit;
}
#hud-scene {
  background: rgba(0,0,0,0.55); border-radius: 12px; padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.08); backdrop-filter: blur(10px);
}
#hud-scene .hud-label { color: #00e5ff; font-size: 9px; font-weight: 800; letter-spacing: 2.5px; text-transform: uppercase; }
#hud-scene .hud-name  { color: #fff; font-size: 16px; font-weight: 700; margin-top: 2px; }
#hud-scene .hud-loc   { color: rgba(255,255,255,0.35); font-size: 11px; margin-top: 1px; }

/* ── Controls hint (bottom) ───────────────────────── */
#controls-hint {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  z-index: 100; pointer-events: none;
  background: rgba(0,0,0,0.45); border-radius: 10px; padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.3); font-size: 11px; white-space: nowrap;
  transition: opacity 0.5s;
}
#controls-hint.hidden { opacity: 0; }

/* ── Info Overlay Panel ───────────────────────────── */
#info-overlay {
  position: fixed; top: 50%; right: 20px; transform: translateY(-50%);
  z-index: 200; width: 290px;
  background: rgba(0, 8, 20, 0.94); border-radius: 18px;
  padding: 22px; border: 1px solid rgba(0,229,255,0.18);
  backdrop-filter: blur(16px);
  display: none;
  animation: slideIn 0.25s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-50%) translateX(16px); }
  to   { opacity: 1; transform: translateY(-50%) translateX(0); }
}

#info-overlay .close {
  position: absolute; top: 10px; right: 14px;
  background: rgba(255,255,255,0.06); border: none;
  color: rgba(255,255,255,0.4); font-size: 18px; cursor: pointer;
  pointer-events: auto; border-radius: 6px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
}
#info-overlay .close:hover { background: rgba(255,255,255,0.12); color: #fff; }

#info-overlay .panel-label {
  color: #00e5ff; font-size: 9px; font-weight: 800; letter-spacing: 1.8px; text-transform: uppercase;
}
#info-overlay .geo-name { color: #fff; font-size: 22px; font-weight: 800; margin: 4px 0 1px; }
#info-overlay .geo-sub  { color: rgba(255,255,255,0.4); font-size: 12px; font-style: italic; }

#info-overlay .conf-bar  { height: 4px; border-radius: 3px; background: rgba(255,255,255,0.08); margin: 12px 0 0; }
#info-overlay .conf-fill { height: 100%; border-radius: 3px; transition: width 0.6s ease, background 0.6s; }
#info-overlay .conf-row  { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
#info-overlay .conf-title { color: rgba(255,255,255,0.3); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; }
#info-overlay .conf-text  { font-size: 11px; font-weight: 700; }

#info-overlay .props {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;
  background: rgba(0,229,255,0.05); border-radius: 10px;
  padding: 12px 8px; margin: 12px 0;
  border: 1px solid rgba(0,229,255,0.08);
}
#info-overlay .prop-val   { color: #00e5ff; font-size: 22px; font-weight: 800; text-align: center; }
#info-overlay .prop-label { color: rgba(255,255,255,0.28); font-size: 9px; text-align: center; margin-top: 2px; }

#info-overlay .formula-block { margin: 8px 0; }
#info-overlay .formula { color: #e0e0e0; font-size: 12px; line-height: 1.8; }
#info-overlay .formula b { color: #00e5ff; }

#info-overlay .context {
  color: rgba(255,255,255,0.48); font-size: 11px; line-height: 1.65;
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 10px; margin-top: 10px;
}
#info-overlay .ctx-label {
  color: rgba(255,255,255,0.25); font-size: 9px; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 5px;
}
#info-overlay .element-tag {
  display: inline-block; background: rgba(167,139,250,0.12); border: 1px solid rgba(167,139,250,0.2);
  color: #A78BFA; font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
  border-radius: 6px; padding: 2px 8px; margin-bottom: 10px;
}

/* ── Loading indicator ────────────────────────────── */
#loading-bar {
  position: fixed; top: 0; left: 0; width: 0%; height: 3px;
  background: linear-gradient(90deg, #38BDF8, #818CF8);
  z-index: 10000; transition: width 0.3s ease;
}

/* ── Scene selector button (in-app) ───────────────── */
#scene-btn {
  position: fixed; bottom: 16px; right: 16px; z-index: 100;
  background: rgba(0,0,0,0.55); border: 1px solid rgba(129,140,248,0.25);
  color: #818CF8; border-radius: 10px; padding: 8px 14px;
  font-size: 12px; font-weight: 700; cursor: pointer;
  backdrop-filter: blur(8px); pointer-events: auto;
  transition: background 0.2s;
  display: none;
}
#scene-btn:hover { background: rgba(129,140,248,0.15); }

/* ── 360° Tour — area panel + jump menu ───────────── */
#tour-panel {
  position: fixed; left: 16px; bottom: 16px; z-index: 100;
  max-width: 280px;
  background: rgba(0, 8, 20, 0.85); border-radius: 14px;
  padding: 14px 18px; border: 1px solid rgba(0,229,255,0.18);
  backdrop-filter: blur(12px); pointer-events: none;
}
#tour-panel .tour-area-label {
  color: #00e5ff; font-size: 9px; font-weight: 800; letter-spacing: 1.8px; text-transform: uppercase;
}
#tour-panel .tour-area-name { color: #fff; font-size: 17px; font-weight: 800; margin: 3px 0 2px; }
#tour-panel .tour-area-pos  { color: rgba(255,255,255,0.35); font-size: 11px; margin-bottom: 6px; }
#tour-panel .tour-area-desc { color: rgba(255,255,255,0.55); font-size: 11.5px; line-height: 1.6; }

#tour-jump {
  position: fixed; top: 16px; right: 16px; z-index: 100;
  background: rgba(0,0,0,0.55); border: 1px solid rgba(129,140,248,0.25);
  color: #C7D2FE; border-radius: 10px; padding: 8px 12px;
  font-size: 12px; font-weight: 600; backdrop-filter: blur(8px);
  pointer-events: auto; cursor: pointer;
}

.tour-hotspot-ring {
  animation: tourPulse 1.6s ease-in-out infinite;
}
@keyframes tourPulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1; }
}

/* ── Dataset capture mode (tur 360°) ──────────────── */
#dataset-toggle {
  position: fixed; top: 82px; left: 16px; z-index: 100;
  background: rgba(0,0,0,0.55); border: 1px solid rgba(255,183,77,0.3);
  color: #FFB74D; border-radius: 10px; padding: 8px 14px;
  font-size: 12px; font-weight: 700; cursor: pointer;
  backdrop-filter: blur(8px); transition: background 0.2s;
}
#dataset-toggle:hover { background: rgba(255,183,77,0.15); }
#dataset-toggle.active { background: rgba(255,183,77,0.2); border-color: #FFB74D; }

#dataset-panel {
  position: fixed; top: 128px; left: 16px; z-index: 100;
  width: 240px;
  max-height: min(420px, 60vh); overflow-y: auto;
  background: rgba(0, 8, 20, 0.92); border-radius: 14px;
  padding: 16px; border: 1px solid rgba(255,183,77,0.25);
  backdrop-filter: blur(12px);
}
#dataset-panel label {
  display: block; color: rgba(255,255,255,0.4); font-size: 9px;
  font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 5px;
}
#dataset-panel input, #dataset-panel select {
  width: 100%; box-sizing: border-box; margin-bottom: 10px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  color: #fff; border-radius: 8px; padding: 8px 10px; font-size: 13px;
}
#dataset-panel button {
  width: 100%; padding: 9px; border-radius: 8px; border: none;
  background: linear-gradient(135deg, #FFB74D, #FF9800);
  color: #1a1000; font-weight: 800; font-size: 13px; cursor: pointer;
}
#dataset-panel button:hover { filter: brightness(1.08); }
#dataset-status, #dataset-login-msg {
  margin-top: 8px; font-size: 11.5px; color: rgba(255,255,255,0.6); line-height: 1.5;
}
#dataset-panel .dataset-desc {
  font-size: 11px; color: rgba(255,255,255,0.5); line-height: 1.6; margin-bottom: 12px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
#dataset-panel .dataset-desc b { color: #FFB74D; }

/* ── Hasil Belajar Saya (siswa login sungguhan) ────── */
#student-results-toggle {
  position: fixed; top: 60px; right: 16px; z-index: 100;
  background: rgba(0,0,0,0.55); border: 1px solid rgba(0,229,255,0.3);
  color: #00e5ff; border-radius: 10px; padding: 8px 14px;
  font-size: 12px; font-weight: 700; cursor: pointer;
  backdrop-filter: blur(8px); transition: background 0.2s;
  display: none;
}
#student-results-toggle:hover { background: rgba(0,229,255,0.15); }

#student-results-panel {
  position: fixed; top: 106px; right: 16px; z-index: 100;
  width: 260px;
  max-height: min(420px, 60vh); overflow-y: auto;
  background: rgba(0, 8, 20, 0.92); border-radius: 14px;
  padding: 16px; border: 1px solid rgba(0,229,255,0.25);
  backdrop-filter: blur(12px);
  display: none;
}
#student-results-panel .sr-name { color: #fff; font-weight: 800; font-size: 14px; margin-bottom: 10px; }
#student-results-panel .sr-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
#student-results-panel .sr-stat { background: rgba(255,255,255,0.04); border-radius: 8px; padding: 8px; text-align: center; }
#student-results-panel .sr-stat .val { color: #00e5ff; font-size: 16px; font-weight: 800; }
#student-results-panel .sr-stat .lbl { color: rgba(255,255,255,0.4); font-size: 9px; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
#student-results-panel .sr-section-label { color: rgba(255,255,255,0.4); font-size: 9px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 10px 0 6px; }
#student-results-panel .sr-row { display: flex; justify-content: space-between; font-size: 11.5px; color: rgba(255,255,255,0.7); padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
#student-results-panel .sr-row.correct .sr-badge { color: #00e676; }
#student-results-panel .sr-row.wrong .sr-badge { color: #ff5252; }
#student-results-panel .sr-empty { color: rgba(255,255,255,0.35); font-size: 11.5px; text-align: center; padding: 16px 0; }

/* ── Kuis (uji pemahaman) ──────────────────────────── */
#quiz-trigger-btn {
  width: 100%; margin-top: 14px; padding: 11px; border-radius: 10px; border: none;
  background: linear-gradient(135deg, #38BDF8, #818CF8);
  color: #05131f; font-weight: 800; font-size: 13px; cursor: pointer;
  pointer-events: auto;
}
#quiz-trigger-btn:hover { filter: brightness(1.08); }

#quiz-overlay {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 300; width: 320px;
  background: rgba(0, 8, 20, 0.97); border-radius: 18px;
  padding: 24px; border: 1px solid rgba(129,140,248,0.25);
  backdrop-filter: blur(16px); display: none;
  box-shadow: 0 12px 48px rgba(0,0,0,0.7);
}
#quiz-overlay .close {
  position: absolute; top: 10px; right: 14px;
  background: rgba(255,255,255,0.06); border: none;
  color: rgba(255,255,255,0.4); font-size: 18px; cursor: pointer;
  border-radius: 6px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
}
#quiz-overlay .close:hover { background: rgba(255,255,255,0.12); color: #fff; }

.quiz-question { color: #fff; font-size: 15px; font-weight: 600; margin: 10px 0 16px; line-height: 1.5; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option {
  padding: 10px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04); color: #E2E8F0; font-size: 13px; text-align: left;
  cursor: pointer; transition: background 0.15s, border-color 0.15s;
}
.quiz-option:hover { background: rgba(129,140,248,0.1); border-color: #818CF8; }
.quiz-option.correct { background: rgba(0,230,118,0.15); border-color: #00e676; color: #00e676; }
.quiz-option.wrong   { background: rgba(255,82,82,0.15); border-color: #ff5252; color: #ff8a80; }
.quiz-option:disabled { cursor: default; }

.quiz-feedback { margin-top: 14px; font-size: 12.5px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ── Fade transition antar titik tur 360° ─────────────── */
#tour-fade {
  position: fixed; inset: 0; z-index: 60;
  background: #000; opacity: 0; pointer-events: none;
  transition: opacity 0.22s ease;
}
#tour-fade.active { opacity: 1; }