:root {
  color-scheme: light;
  --surface-primary: #f6faff;
  --surface-secondary: #ffffff;
  --surface-elevated: #eef5fd;
  --text-primary: #29384c;
  --text-secondary: #596d85;
  --text-tertiary: #5f7189;
  --border-default: #d7e5f5;
  --accent-primary: #356fb0;
  --accent-hover: #285a92;
  --status-success: #356fb0;
  --status-warning: #8c641d;
  --status-error: #b23b35;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--surface-primary);
}

body,
button,
input,
select {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.55;
}

.attendance-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.attendance-card {
  width: min(100%, 440px);
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  background: var(--surface-secondary);
}

.attendance-heading {
  display: grid;
  gap: var(--space-2);
}

.attendance-heading h1,
.attendance-heading p,
.status,
.privacy-note {
  margin: 0;
}

.attendance-heading h1 {
  font-size: 24px;
  line-height: 1.2;
}

.eyebrow {
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.help,
.privacy-note {
  color: var(--text-secondary);
}

.help {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.field {
  display: grid;
  gap: var(--space-2);
  font-weight: 700;
}

.attendance-fields {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: var(--space-2);
}

.field small {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
}

.field input,
.field select {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 0 var(--space-3);
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-size: 17px;
}

.field select:disabled {
  background: var(--surface-elevated);
  color: var(--text-secondary);
  opacity: 1;
}

.attendance-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.button {
  min-height: 50px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 0 var(--space-3);
  background: var(--surface-secondary);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.button:hover:not(:disabled) {
  border-color: var(--accent-primary);
}

.button:focus-visible,
.field input:focus-visible,
.field select:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
  border-color: var(--accent-primary);
}

.device-status {
  min-height: 22px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.device-status.registered {
  color: var(--status-success);
}

.device-status.error {
  color: var(--status-error);
}

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

.button-primary:hover:not(:disabled) {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.button-secondary {
  background: var(--surface-elevated);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.status {
  min-height: 48px;
  display: grid;
  align-items: center;
  border-left: 3px solid var(--border-default);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.status:empty {
  display: none;
}

.status.success {
  border-left-color: var(--status-success);
  color: var(--status-success);
}

.status.pending {
  border-left-color: var(--accent-primary);
}

.status.warning {
  border-left-color: var(--status-warning);
  color: var(--status-warning);
}

.status.error {
  border-left-color: var(--status-error);
  color: var(--status-error);
}

.attendance-notice {
  width: min(calc(100% - (var(--space-4) * 2)), 360px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface-secondary);
  color: var(--text-primary);
}

.attendance-notice::backdrop {
  background: color-mix(in srgb, var(--text-primary) 32%, transparent);
}

.attendance-notice-content {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
}

.attendance-notice h2,
.attendance-notice p {
  margin: 0;
}

.attendance-notice h2 {
  font-size: 18px;
  line-height: 1.4;
}

.attendance-notice p {
  color: var(--text-secondary);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.attendance-notice .button {
  width: 100%;
}

.privacy-note {
  font-size: 13px;
  text-align: center;
}

.attendance-print-card {
  width: min(100%, 580px);
}

.attendance-qr #qr {
  display: block;
  width: min(100%, 500px);
  height: auto;
  justify-self: center;
}

.attendance-qr .button {
  min-height: 48px;
}

@media (max-width: 360px) {
  .attendance-card {
    padding: var(--space-4);
  }

  .attendance-fields {
    grid-template-columns: 1fr;
  }

  .attendance-actions {
    grid-template-columns: 1fr;
  }
}

@media print {
  @page {
    margin: 12mm;
  }

  html,
  body {
    background: var(--surface-secondary);
  }

  .attendance-page {
    display: block;
    padding: 0;
  }

  .attendance-card {
    width: 100%;
    border: 0;
    box-shadow: none;
  }

  .button,
  .status {
    display: none;
  }
}