/* =========================================================================
   Exam Timer — themes
   Each theme overrides the palette custom properties on [data-theme=…].
   Custom user colours are injected as inline styles on :root and win.
   ========================================================================= */

/* Dark (default) */
[data-theme="dark"] {
  --bg: #0e1116; --bg-2: #171b22; --text: #f2f5f9; --text-dim: #9aa4b2;
  --accent: #3b82f6; --accent-2: #22d3ee; --track: rgba(255,255,255,0.12);
  --panel-bg: #12161c; --panel-border: rgba(255,255,255,0.10);
}

/* Light */
[data-theme="light"] {
  --bg: #f6f8fb; --bg-2: #ffffff; --text: #12161c; --text-dim: #5b6674;
  --accent: #2563eb; --accent-2: #0ea5e9; --track: rgba(0,0,0,0.10);
  --panel-bg: #ffffff; --panel-border: rgba(0,0,0,0.12);
}

/* IB Blue */
[data-theme="ib"] {
  --bg: #0a1f3c; --bg-2: #10294d; --text: #eaf1fb; --text-dim: #9db4d4;
  --accent: #4f9ff2; --accent-2: #7fd1ff; --track: rgba(255,255,255,0.14);
  --panel-bg: #0c2444; --panel-border: rgba(255,255,255,0.14);
}

/* Cambridge Green */
[data-theme="cambridge"] {
  --bg: #06231a; --bg-2: #0b3226; --text: #e9f7ef; --text-dim: #9bc9b3;
  --accent: #2fbf71; --accent-2: #86e3b0; --track: rgba(255,255,255,0.14);
  --panel-bg: #0a2c21; --panel-border: rgba(255,255,255,0.14);
}

/* School Red */
[data-theme="red"] {
  --bg: #2a0b0f; --bg-2: #3a1116; --text: #fdeef0; --text-dim: #e0a3ab;
  --accent: #ef4444; --accent-2: #fb923c; --track: rgba(255,255,255,0.14);
  --panel-bg: #350f14; --panel-border: rgba(255,255,255,0.14);
}

/* High contrast */
[data-theme="contrast"] {
  --bg: #000000; --bg-2: #000000; --text: #ffffff; --text-dim: #ffffff;
  --accent: #ffe600; --accent-2: #00e5ff; --track: rgba(255,255,255,0.3);
  --panel-bg: #000000; --panel-border: #ffffff;
}
[data-theme="contrast"] .exam-title,
[data-theme="contrast"] .countdown { text-shadow: none; }
[data-theme="contrast"] .progress-fill { background: var(--accent); }