/* styles.css v2.2 — Native toggles via <label> wrapping */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1f262e;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --border: #30363d;
  --accent: #4a9eff;
  --accent-hover: #6cb1ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
}

[data-theme="light"] {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --text: #1f2328;
  --text-dim: #57606a;
  --border: #d0d7de;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --success: #1a7f37;
  --warning: #9a6700;
  --danger: #cf222e;
}

[data-theme="contrast"] {
  --bg: #000000;
  --surface: #000000;
  --surface-2: #1a1a1a;
  --text: #ffffff;
  --text-dim: #ffff00;
  --border: #ffffff;
  --accent: #00ffff;
  --accent-hover: #66ffff;
  --success: #00ff00;
  --warning: #ffff00;
  --danger: #ff4444;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar__room { margin: 0; font-size: 1.75rem; font-weight: 600; }
.topbar__clock { text-align: center; }
.topbar__time { font-size: 2rem; font-weight: 700; line-height: 1; }
.topbar__date { font-size: 0.95rem; color: var(--text-dim); }
.topbar__actions { display: flex; gap: 0.5rem; }

/* ---------- Buttons ---------- */
.btn {
  font-family: inherit; font-size: 0.95rem; cursor: pointer;
  padding: 0.6rem 1.1rem; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text);
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--surface); border-color: var(--accent); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--secondary { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn--ghost { background: transparent; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.link-btn {
  background: none; border: none; color: var(--accent); cursor: pointer;
  padding: 0; font-size: 0.9rem; text-decoration: underline;
}

/* ---------- Main ---------- */
.main {
  flex: 1; padding: 2rem; display: grid;
  grid-template-columns: 1fr; gap: 2rem;
  grid-template-rows: auto 1fr;
}

/* ---------- Status card ---------- */
.status {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 2.5rem; text-align: center;
}
.status[data-state="available"] { border-color: var(--success); }
.status[data-state="busy"]      { border-color: var(--danger); }
.status[data-state="soon"]      { border-color: var(--warning); }
.status[data-state="error"]     { border-color: var(--danger); }
.status__label {
  font-size: 1.2rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 0.75rem;
}
.status[data-state="available"] .status__label { color: var(--success); }
.status[data-state="busy"] .status__label      { color: var(--danger); }
.status[data-state="soon"] .status__label      { color: var(--warning); }
.status__meeting { font-size: 2.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.status__time { font-size: 1.15rem; color: var(--text-dim); }

/* Quick actions */
.quick-actions {
  margin-top: 1.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.quick-actions__hint { font-size: 0.9rem; color: var(--text-dim); }

/* ---------- Schedule ---------- */
.schedule {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
}
@media (max-width: 800px) { .schedule { grid-template-columns: 1fr; } }
.schedule__heading {
  margin: 0 0 1rem; font-size: 1.25rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.event-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.event {
  display: grid; grid-template-columns: 180px 1fr; gap: 1rem;
  padding: 0.85rem 1rem; border-radius: 8px; background: var(--surface);
  border: 1px solid var(--border);
}
.event--active { border-color: var(--accent); background: var(--surface-2); }
.event--past { opacity: 0.5; }
.event__time { font-weight: 600; color: var(--accent); }
.event__title { font-weight: 500; }
.event__meta { font-size: 0.85rem; color: var(--text-dim); margin-top: 0.2rem; }
.empty { color: var(--text-dim); padding: 0.85rem 1rem; font-style: italic; }

/* ---------- Footer ---------- */
.footer {
  padding: 1rem 2rem; text-align: center; border-top: 1px solid var(--border);
  background: var(--surface);
}
.kofi-link { color: var(--accent); text-decoration: none; font-size: 0.9rem; }
.kofi-link:hover { text-decoration: underline; }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6);
}
.modal__panel {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 2rem; max-width: 600px; width: 90%;
  max-height: 90vh; overflow-y: auto;
}
.modal__panel--qr { max-width: 520px; text-align: center; }
.modal__close {
  position: absolute; top: 0.75rem; right: 0.75rem; width: 32px; height: 32px;
  border: none; background: transparent; color: var(--text); font-size: 1.5rem;
  cursor: pointer; border-radius: 4px;
}
.modal__close:hover { background: var(--surface-2); }
.modal__footer { margin-top: 1.5rem; display: flex; justify-content: flex-end; gap: 0.5rem; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.form-row--inline { flex-direction: row; align-items: center; flex-wrap: wrap; }
.form-row label { font-weight: 500; font-size: 0.95rem; }
.form-row input, .form-row select {
  padding: 0.55rem 0.75rem; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--text); font-family: inherit; font-size: 0.95rem;
}
.form-row input:focus, .form-row select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-hint { color: var(--text-dim); font-size: 0.85rem; }
.form-divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.form-section { margin: 0 0 0.75rem; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); }

.auth-status { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Tabs ---------- */
.tabs { display: flex; border-bottom: 1px solid var(--border); margin: 1rem 0; gap: 0.25rem; }
.tab {
  padding: 0.6rem 1.1rem; background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-dim); cursor: pointer; font-family: inherit; font-size: 0.95rem;
}
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); }
.tab-pane { padding-top: 1rem; }
.tab-pane[hidden] { display: none; }

/* ---------- Native toggles ---------- */
.toggle {
  display: inline-flex; align-items: center; gap: 0.7rem;
  cursor: pointer; user-select: none; margin-bottom: 0.85rem;
}
.toggle input {
  position: absolute; opacity: 0; pointer-events: none;
  width: 0; height: 0;
}
.toggle__track {
  position: relative; width: 40px; height: 22px; border-radius: 999px;
  background: var(--border); transition: background 0.15s; flex-shrink: 0;
}
.toggle__thumb {
  position: absolute; top: 2px; left: 2px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; transition: transform 0.15s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.toggle input:checked + .toggle__track { background: var(--accent); }
.toggle input:checked + .toggle__track .toggle__thumb { transform: translateX(18px); }
.toggle input:focus-visible + .toggle__track {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.toggle__label { font-size: 0.95rem; }

/* ---------- QR badge ---------- */
.qr-badge {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50;
  background: #fff; padding: 0.75rem; border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  transition: transform 0.15s;
}
.qr-badge:hover { transform: scale(1.05); }
.qr-badge[hidden] { display: none; }
.qr-badge__caption { font-size: 0.8rem; color: #000; font-weight: 600; }

.qr-large-wrap { display: flex; justify-content: center; margin: 1.5rem 0; }
.qr-large-card {
  background: #fff; padding: 1rem; border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.qr-large-card__meta { color: #000; font-size: 0.95rem; text-align: center; }
.qr-overlay__note { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Kiosk mode ---------- */
body.is-kiosk .fullscreen-hidden { display: none !important; }
body.is-kiosk .topbar { padding: 0.75rem 2rem; }

/* Misc */
.muted { color: var(--text-dim); font-size: 0.9rem; }
ol, ul { line-height: 1.6; }
code {
  background: var(--surface-2); padding: 0.1rem 0.35rem; border-radius: 4px;
  font-size: 0.9em;
}