/* ============================================================
   THEME FRAMEWORK
   ------------------------------------------------------------
   The whole app is styled through CSS variables. A theme is just
   a set of values for those variables, selected by the data-theme
   attribute on <body> (set in index.html, and swappable at runtime
   later so the look can advance with the hunt's "acts").

   To add a theme (e.g. Act II / Act III): copy the
   [data-theme="training"] block, rename it, and change the values.
   The structural CSS below never needs to change — that's the
   "same shapes, recolored" idea made literal.
   ============================================================ */

:root {
  --maxw: 480px;
  --radius: 12px;
  --radius-lg: 16px;
}

/* ---------- Demo theme (neutral, generic — no event branding) ---------- */
[data-theme="demo"] {
  --font-display: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bg: #f2f2f4;
  --bg-gradient: linear-gradient(170deg, #f7f7f9 0%, #e9e9ee 100%);
  --surface: #ffffff;
  --surface-2: #f5f5f7;
  --border: #dcdce2;
  --border-strong: #6b6b76;

  --text: #232329;
  --text-muted: #6b6b76;

  --accent: #4a4a55;
  --accent-strong: #33333c;
  --accent-soft: #e7e7ec;
  --accent-contrast: #ffffff;

  --danger: #c0433b;
  --danger-soft: #fbecea;

  --warn-bg: #fff8ea;
  --warn-border: #f0d98c;
  --warn-text: #8a6d00;

  --success: #2a7a4f;

  --header-bg: rgba(255, 255, 255, 0.92);
  --toast-bg: #232329;
  --toast-text: #ffffff;

  --shadow: 0 2px 12px rgba(35, 35, 41, 0.08);
  --shadow-card: 0 1px 3px rgba(35, 35, 41, 0.06);

  --btn-transform: none;
  --btn-spacing: normal;
}

/* ---------- Act I: Agent Training Portal (light, clean, cyan) ---------- */
[data-theme="training"] {
  --font-display: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bg: #e6f2f5;
  --bg-gradient: linear-gradient(170deg, #edf7f9 0%, #dcecf0 100%);
  --surface: #ffffff;
  --surface-2: #f1f9fb;
  --border: #cde4e9;
  --border-strong: #23c3d1;

  --text: #0e2f38;
  --text-muted: #5c7c84;

  --accent: #16b8c6;
  --accent-strong: #0e97a4;
  --accent-soft: #daf3f6;
  --accent-contrast: #ffffff;

  --danger: #c0433b;
  --danger-soft: #fbecea;

  --warn-bg: #fff8ea;
  --warn-border: #f0d98c;
  --warn-text: #8a6d00;

  --success: #1a6b5c;

  --header-bg: rgba(255, 255, 255, 0.92);
  --toast-bg: #0e2f38;
  --toast-text: #ffffff;

  --shadow: 0 2px 12px rgba(14, 47, 56, 0.08);
  --shadow-card: 0 1px 3px rgba(14, 47, 56, 0.06);

  --btn-transform: uppercase;
  --btn-spacing: 0.06em;
}

/* ============================================================
   STRUCTURAL / COMPONENT STYLES  (theme-agnostic — all colors
   come from the variables above)
   ============================================================ */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
}

.app { max-width: var(--maxw); margin: 0 auto; padding: 0 16px 80px; }
.screen.hidden, .hidden { display: none !important; }

h1 { font-size: 1.4rem; margin: 20px 0 16px; font-family: var(--font-display); letter-spacing: 0.02em; }
h2 { font-size: 1.2rem; margin: 0 0 8px; font-family: var(--font-display); }
h3 { font-size: 0.95rem; margin: 0 0 8px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- brand bar ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 4px 14px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--header-bg);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.brand-mark {
  color: var(--accent);
  width: 40px; height: 40px;
  flex: 0 0 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
}
.brand-mark svg { width: 30px; height: 30px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.12em; color: var(--text); }
.brand-sub { font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); }

/* ---------- forms ---------- */
label {
  display: block;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
input[type="text"], select {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
}
input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--border-strong);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hint { color: var(--text-muted); font-size: 0.8rem; margin: -8px 0 16px; }

button {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--accent-contrast);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: var(--btn-spacing);
  text-transform: var(--btn-transform);
  cursor: pointer;
  transition: filter 0.12s ease;
}
button:hover { filter: brightness(1.05); }
button:active { filter: brightness(0.94); }
button:disabled { opacity: 0.55; cursor: default; filter: none; }

.error { color: var(--danger); min-height: 1.2em; font-size: 0.9rem; }

/* ---------- hunt header ---------- */
.hunt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 18px 0 20px;
  font-weight: 600;
}
#team-label { font-family: var(--font-display); letter-spacing: 0.04em; text-transform: capitalize; }
.leave-btn {
  width: auto;
  padding: 6px 12px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  font-size: 0.72rem;
  font-weight: 600;
}

/* ---------- fragment tray ---------- */
.fragment-tray {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 20px;
}
.fragment-list { display: flex; gap: 8px; flex-wrap: wrap; }
.fragment-chip {
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ---------- puzzle cards ---------- */
.puzzle-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.puzzle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.puzzle-card:active { transform: scale(0.99); }
.puzzle-card h3 { margin-bottom: 4px; color: var(--text); text-transform: none; letter-spacing: 0; font-size: 1rem; font-family: var(--font-display); }
.puzzle-card p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }
.puzzle-card.done { opacity: 0.5; pointer-events: none; }
.puzzle-card.pending {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  border-left-color: var(--warn-border);
}
.puzzle-card.pending p { color: var(--warn-text); font-weight: 600; }

.pending-notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

/* ---------- major puzzle (priority panel) ---------- */
.major-puzzle {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.major-puzzle h2 { color: var(--accent-strong); }
.major-puzzle input { margin-bottom: 12px; }

.finale { text-align: center; padding: 40px 0; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
  z-index: 1000;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex; align-items: flex-end;
}
.modal-content {
  background: var(--surface);
  color: var(--text);
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px;
  position: relative;
}
.modal-content h2 { font-family: var(--font-display); }
.modal-close {
  position: fixed; top: 16px; right: 16px;
  width: 40px; height: 40px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.55); color: white;
  border-radius: 50%;
  font-size: 1.4rem; line-height: 1;
  z-index: 1100;
}
#modal-body input[type="file"] { margin-bottom: 12px; }
#modal-body video { max-height: 45vh; border-radius: 8px; }
