/*
 * Restroom Hero design system -- hand-authored, no framework, no bundler.
 * A clean mobile-first look: a neutral-gray page behind white rounded cards,
 * small gray section labels, bold near-black headings, black pill buttons, a
 * teal brand accent, and rounded inputs. Mobile styles are the default; wider
 * layouts are added via min-width media queries only. Light and dark themes are
 * both defined via tokens.
 */

:root {
  /* Brand + status accents */
  --rh-teal: #12b2c4;
  --rh-green: #2fbf71;
  --rh-red: #e5484d;

  /* Light theme (default) */
  --color-bg: #ececee;
  --color-surface: #ffffff;
  --color-surface-2: #f4f4f6;
  --color-fg: #1a1b1e;
  --color-muted: #8a8d95;
  --color-border: #e6e7ea;
  --color-primary: #1c1c1e;
  --color-primary-contrast: #ffffff;
  --color-accent: var(--rh-teal);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;

  /* Typography */
  --font-sans:
    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial,
    sans-serif;
  --font-size-sm: 0.8125rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.75rem;
  --line-height-base: 1.5;

  /* Shape + elevation */
  --radius-input: 12px;
  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(16, 17, 20, 0.06), 0 8px 24px rgba(16, 17, 20, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121316;
    --color-surface: #1e1f25;
    --color-surface-2: #262832;
    --color-fg: #f3f4f6;
    --color-muted: #9aa0ab;
    --color-border: #2c2e36;
    --color-primary: #f3f4f6;
    --color-primary-contrast: #16171b;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

/* Brand app bar (shared layout shell) */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-fg);
}

.brand span {
  color: var(--color-accent);
}

#app {
  max-width: 32rem;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-5);
}

.page-header {
  margin: var(--space-2) 0 var(--space-4);
  text-align: center;
}

.page-header h1 {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin: 0 0 var(--space-1);
  letter-spacing: -0.01em;
}

.subtitle {
  color: var(--color-muted);
  margin: 0;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}

.card + .card,
.card.site {
  margin-top: var(--space-3);
}

.card h2,
.card h3 {
  margin: 0 0 var(--space-1);
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* Small gray section labels (rendered as h4 inside cards) */
.card h4 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  font-weight: 700;
  margin: var(--space-4) 0 var(--space-2);
}

.muted-note {
  color: var(--color-muted);
  margin: var(--space-2) 0 0;
}

/* Forms */
.stack-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.stack-form label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-muted);
}

.stack-form input,
.stack-form select {
  padding: 0.75rem 0.85rem;
  font-size: var(--font-size-base);
  color: var(--color-fg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
}

.stack-form input:focus,
.stack-form select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

/* Country-code + national-number pair (src/render/templates/phone-field.ts) */
.phone-field {
  display: flex;
  gap: var(--space-2);
}

.phone-field select {
  flex: 0 0 auto;
  max-width: 45%;
}

.phone-field input {
  flex: 1 1 auto;
  min-width: 0;
}

/* Buttons -- black pill primary, outline secondary, gray disabled */
button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  margin-top: var(--space-2);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary-contrast);
  background: var(--color-primary);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
}

.stack-form button,
.stack-form .button-link {
  width: 100%;
  margin-top: var(--space-1);
}

button:disabled {
  background: var(--color-border);
  color: var(--color-muted);
  cursor: not-allowed;
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-fg);
  border-color: var(--color-border);
}

.button-danger {
  background: var(--color-surface);
  color: var(--rh-red);
  border-color: var(--color-border);
}

/* Membership + list rows rendered as rounded sub-cards */
.bathrooms,
.invites,
.members,
.managers,
.authorized-users,
.approvals {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.bathroom,
.invite,
.member,
.manager,
.authorized-user,
.approval {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 0.7rem 0.85rem;
}

.empty {
  color: var(--color-muted);
  background: transparent;
  border: 0;
  padding: var(--space-1) 0;
}

.bathroom-label,
.member-phone,
.manager-phone,
.approval-bathroom {
  font-weight: 600;
}

/* Status + role pills */
.member-status,
.manager-status,
.invite-role {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  color: var(--color-fg);
  text-transform: capitalize;
}

.member-limit,
.approval-requester,
.member-role,
.approval-amount {
  color: var(--color-muted);
  font-size: var(--font-size-sm);
}

.approval-amount {
  margin-left: auto;
  font-weight: 700;
  color: var(--color-fg);
}

/* Inline forms (revoke / delete / set-limit / issue-QR / approve) */
.inline-form {
  margin: 0;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-2);
}

.inline-form label {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  gap: var(--space-1);
  display: flex;
  flex-direction: column;
}

.inline-form input {
  padding: 0.45rem 0.6rem;
  max-width: 8rem;
  font-size: var(--font-size-sm);
  color: var(--color-fg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
}

.inline-form button,
.bathroom button {
  margin-top: 0;
  min-height: 36px;
  padding: 0.4rem 0.85rem;
  font-size: var(--font-size-sm);
}

/* Demo invite code (DEMO_MODE only) */
.invite-code {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.invite-code code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: var(--font-size-base);
  color: var(--color-fg);
  background: var(--color-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
}

.invite-accept-link {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
}

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

/* Price + QR */
.price {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin: var(--space-2) 0;
}

.payment {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.payment .inline-form {
  display: inline-flex;
  margin-right: var(--space-2);
}

.qr-card {
  text-align: center;
}

.qr-image {
  max-width: 16rem;
  margin: var(--space-3) auto 0;
  background: #ffffff;
  padding: var(--space-3);
  border-radius: var(--radius-card);
}

.qr-image svg {
  width: 100%;
  height: auto;
}

.error {
  color: var(--rh-red);
  font-weight: 600;
}

/* Wider viewports: tablet and up */
@media (min-width: 48rem) {
  #app {
    padding: var(--space-5);
  }
}