/*
 * Base component styles for redesigned screens. Built on the tokens in
 * tokens.css — components reference var(--...) only, never a raw color,
 * so theming and rebranding stay centralized. Grows as more screens are
 * migrated (see docs/SCREEN_MATRIX.md for status).
 */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; }

a { color: var(--color-primary); }

/* Visible focus state everywhere, including keyboard-only nav */
:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Auth layout (login and similar standalone screens) ---- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
}

.auth-logo {
  width: 64px;
  height: 64px;
  display: block;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
}

.auth-title {
  text-align: center;
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 var(--space-1);
}

.auth-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
  margin: 0 0 var(--space-5);
}

/* ---- Form controls ---- */

.field { margin-bottom: var(--space-4); }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.field-input-wrap { position: relative; }

.field input[type="text"],
.field input[type="password"],
.field input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  padding-left: 40px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 15px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.field-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.field-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.field-toggle:hover { color: var(--color-text); }

.field-hint {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--color-text-muted);
}

.field-hint[hidden] { display: none; }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: 11px 16px;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn:not(:disabled):hover { opacity: 0.92; }
.btn:not(:disabled):active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ---- Alerts ---- */

.alert {
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  margin: 0 0 var(--space-4);
}
.alert-danger {
  background: color-mix(in srgb, var(--color-danger) 12%, var(--color-surface));
  color: var(--color-danger);
  border: 1px solid color-mix(in srgb, var(--color-danger) 35%, transparent);
}

/* ---- Theme toggle ---- */

.theme-toggle {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  font-size: 13px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

/* ---- Footer links ---- */

.auth-links {
  margin-top: var(--space-5);
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
}
.auth-links a { color: var(--color-text-muted); text-decoration: none; }
.auth-links a:hover { color: var(--color-primary); text-decoration: underline; }
.auth-links .sep { margin: 0 var(--space-2); }

@media (max-width: 480px) {
  .auth-card { padding: var(--space-5) var(--space-4); }
  .theme-toggle { top: var(--space-3); right: var(--space-3); }
}