/* Login page (app/views/admin/sessions/new.html.erb). Deliberately plain:
   a centered card on a slightly shifted background, no gradients. */

:root {
  --session-bg: #f4f4f2;
  --session-card-bg: #ffffff;
  --session-border: #e2e0da;
  --session-text: #1f1f1d;
  --session-muted: #6b6a66;
  --session-accent: #2f5d50;
  --session-error-bg: #fbeeee;
  --session-error-text: #9c3b3b;
}

.session-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--session-bg);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--session-text);
  padding: 24px;
}

.session-card {
  width: 100%;
  max-width: 360px;
  background: var(--session-card-bg);
  border: 1px solid var(--session-border);
  border-radius: 10px;
  padding: 40px 32px;
}

.session-card h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
}

.session-card p.session-subtitle {
  margin: 0 0 28px;
  color: var(--session-muted);
  font-size: 14px;
}

.session-field {
  margin-bottom: 16px;
}

.session-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
}

.session-field input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid var(--session-border);
  border-radius: 6px;
  font-size: 14px;
}

.session-field input:focus {
  outline: 2px solid var(--session-accent);
  outline-offset: 1px;
}

.session-submit {
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 6px;
  background: var(--session-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}

.session-submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.session-alert {
  background: var(--session-error-bg);
  color: var(--session-error-text);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --session-bg: #17181a;
    --session-card-bg: #202225;
    --session-border: #33353a;
    --session-text: #ececec;
    --session-muted: #9a9a9a;
    --session-accent: #4f8f7c;
    --session-error-bg: #3a2323;
    --session-error-text: #e39a9a;
  }
}