/* Sign-in page for auth.mhillgren.com. Same tokens as the landing page. */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --border: #e4e4e7;
  --text: #18181b;
  --text-dim: #5f5f68;
  --text-faint: #8e8e96;
  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-text: #ffffff;
  --accent-soft: rgba(217, 119, 6, 0.1);
  --error: #b91c1c;
  --error-bg: #fee2e2;
  --warn: #92400e;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0f;
    --surface: #161619;
    --border: #2a2a2e;
    --text: #ededf0;
    --text-dim: #9a9aa2;
    --text-faint: #6b6b74;
    --accent: #f59e0b;
    --accent-hover: #fbbf24;
    --accent-text: #0d0d0f;
    --accent-soft: rgba(245, 158, 11, 0.14);
    --error: #fca5a5;
    --error-bg: rgba(239, 68, 68, 0.12);
    --warn: #fcd34d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

.shell {
  min-height: 100vh;
  max-width: 400px;
  margin: 0 auto;
  padding: 48px 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 20px;
}
.mark {
  align-self: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700; font-size: 0.95rem; letter-spacing: 0.02em;
  text-decoration: none;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}
h1 { margin: 0 0 4px; font-size: 1.35rem; font-weight: 650; letter-spacing: -0.015em; }
.dim { color: var(--text-dim); margin: 0 0 20px; }
.center { text-align: center; margin: 12px 0 0; }
strong { color: var(--text); font-weight: 600; }

.field { margin-bottom: 14px; }
label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; }
input[type="text"], input:not([type]), input[type="password"] {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[readonly] { color: var(--text-dim); }
.pw { position: relative; }
.pw input { padding-right: 64px; }
.pw-toggle {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font: inherit; font-size: 0.8rem; color: var(--text-dim);
  background: none; border: 0; border-radius: 6px; padding: 6px 8px; cursor: pointer;
}
.pw-toggle:hover, .pw-toggle:focus-visible { color: var(--text); outline: none; background: var(--accent-soft); }
.hint { font-size: 0.8rem; margin: 6px 0 0; }
.warn { color: var(--warn); }

.check {
  display: flex; align-items: center; gap: 8px;
  font-weight: 400; font-size: 0.9rem; color: var(--text-dim);
  margin: 4px 0 18px; cursor: pointer;
}
.check input { width: 16px; height: 16px; accent-color: var(--accent); margin: 0; }

.error {
  color: var(--error);
  background: var(--error-bg);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.primary, .secondary {
  display: block; width: 100%;
  text-align: center; text-decoration: none;
  font: inherit; font-weight: 600;
  border-radius: 9px; padding: 11px 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.primary { background: var(--accent); color: var(--accent-text); border: 1px solid var(--accent); }
.primary:hover, .primary:focus-visible { background: var(--accent-hover); border-color: var(--accent-hover); outline: none; }
.primary[disabled] { opacity: 0.6; cursor: progress; }
.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); font-weight: 500; }
.secondary:hover, .secondary:focus-visible { border-color: var(--accent); outline: none; }
.actions { display: flex; flex-direction: column; gap: 10px; }

.spinner {
  width: 26px; height: 26px; margin: 4px auto 0;
  border: 3px solid var(--accent-soft); border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2.4s; } }

.foot { margin-top: auto; text-align: center; font-size: 0.78rem; color: var(--text-faint); }