:root {
  --bg: #f0ede8;
  --card: #faf8f5;
  --text: #1a1714;
  --muted: #8a8178;
  --border: rgba(26,23,20,0.10);
  --shadow: 0 12px 40px rgba(0,0,0,0.09);
  --shadow2: 0 6px 20px rgba(0,0,0,0.13);
  --accent: #2563eb;
  --accent2: #1d4ed8;
  --open: #d4380d;
  --open2: #a8290a;
  --hold: #2563eb;
  --btnText: #fff;
  --danger: #dc2626;
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
  --bg: #13100e;
  --card: #1c1814;
  --text: #ede8e1;
  --muted: #7a7068;
  --border: rgba(237,232,225,0.10);
  --shadow: 0 12px 40px rgba(0,0,0,0.40);
  --shadow2: 0 6px 20px rgba(0,0,0,0.40);
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: 'DM Mono', monospace;
  background: var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 20px;
  min-height: 100%;
  transition: background 250ms, color 250ms;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: var(--grain);
  pointer-events: none;
  z-index: 0;
}

/* Appearance dropdown */
.appearanceWrap {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 50;
}

.appearanceBtn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: 150ms ease;
}

.appearanceBtn:hover { color: var(--text); }

.appearanceBtn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.appearanceMenu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  padding: 6px;
  display: none;
}

.appearanceMenu.open { display: block; }

.appearanceRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 4px;
}

.appearanceRow:hover {
  background: color-mix(in srgb, var(--text) 5%, transparent);
}

.appearanceRow span {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.switch { position: relative; width: 44px; height: 24px; }
.switch input { display: none; }

.slider {
  position: absolute;
  inset: 0;
  border-radius: 3px;
  background: color-mix(in srgb, var(--text) 10%, transparent);
  border: 1px solid var(--border);
  transition: 180ms ease;
}

.slider:before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 2px;
  background: var(--text);
  transition: 180ms ease;
}

.switch input:checked + .slider { background: color-mix(in srgb, var(--hold) 25%, transparent); }
.switch input:checked + .slider:before { left: 23px; background: var(--hold); }

/* Card layout */
.wrap { width: 100%; max-width: 440px; position: relative; z-index: 1; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
}

.title {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
}

.status-line {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Form elements */
.stack { display: grid; gap: 12px; }

.formGroup {
  display: grid;
  gap: 6px;
}

.formGroup label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.formGroup input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  outline: none;
  transition: border-color 150ms;
}

.formGroup input:focus {
  border-color: var(--accent);
}

.primaryBtn {
  width: 100%;
  height: 52px;
  border: 0;
  border-radius: 6px;
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.06em;
  cursor: pointer;
  color: var(--btnText);
  background: var(--accent);
  box-shadow: var(--shadow2), inset 0 1px 0 rgba(255,255,255,0.12);
  transition: transform 100ms ease, box-shadow 100ms ease, background 150ms;
  -webkit-tap-highlight-color: transparent;
}

.primaryBtn:hover { background: var(--accent2); }
.primaryBtn:active { transform: translateY(2px); box-shadow: 0 2px 8px rgba(0,0,0,0.18); }
.primaryBtn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Links */
.authLink {
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
}

.authLink a {
  color: var(--accent);
  text-decoration: none;
}

.authLink a:hover { text-decoration: underline; }

/* Error/success messages */
.msg {
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  display: none;
}

.msg.error {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
  display: block;
}

.msg.success {
  background: color-mix(in srgb, #22c55e 12%, transparent);
  color: #16a34a;
  border: 1px solid color-mix(in srgb, #22c55e 25%, transparent);
  display: block;
}

/* Remember me / checkbox row */
.checkRow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.checkRow input[type="checkbox"] {
  accent-color: var(--accent);
}

/* Corner button (logout, admin link) */
.cornerBtn {
  position: fixed;
  padding: 7px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: 150ms ease;
  z-index: 100;
}

.cornerBtn:hover { color: var(--text); }

/* Toast */
.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: var(--text);
  color: var(--bg);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  transition: transform 250ms ease;
  z-index: 200;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* Hidden utility */
.hidden { display: none !important; }