:root {
  --paper: #f6f2e8;
  --ink: #20201d;
  --muted: #5d5a51;
  --line: #d8d0bd;
  --soft: #f1eadb;
  --brand: #243f3f;
  --brand-2: #2b6868;
  --accent: #d94f30;
  --accent-dark: #bf4328;
  --success-bg: #edf8f0;
  --success: #22623a;
  --warn-bg: #fff7df;
  --warn: #7a560f;
  --error-bg: #fff0ee;
  --error: #8d2d1f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.phone-shell,
.admin-layout,
.install-layout {
  min-height: 100vh;
}

.phone-shell,
.admin-layout {
  display: grid;
  gap: 24px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.phone-shell {
  align-items: center;
}

.brand-panel,
.form-panel,
.admin-panel,
.install-card {
  border-radius: 8px;
}

.brand-panel {
  display: flex;
  min-height: 280px;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  background: var(--brand);
  color: #fff;
  padding: 28px;
}

.brand-panel h1,
.install-card h1,
.form-panel h2,
.admin-panel h2,
.login-form h2 {
  margin: 8px 0 0;
  line-height: 1.1;
}

.brand-panel h1 {
  max-width: 460px;
  font-size: clamp(2.2rem, 8vw, 4.3rem);
}

.brand-panel p:not(.eyebrow):not(.tiny-url) {
  max-width: 520px;
  color: #dce8e5;
  line-height: 1.65;
}

.form-panel,
.admin-panel,
.install-card {
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 28px rgba(42, 38, 31, 0.08);
}

.form-panel {
  padding: 24px;
}

.attendance-form,
.login-form,
.install-form {
  display: grid;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: #ffd166;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow.muted {
  color: #5a756f;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

input {
  width: 100%;
  height: 52px;
  border: 1px solid #cfc6b2;
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  font-size: 1rem;
  outline: none;
}

input:focus {
  border-color: var(--brand-2);
  box-shadow: 0 0 0 4px rgba(43, 104, 104, 0.15);
}

.primary-button,
.ghost-button,
.small-button {
  display: inline-grid;
  min-height: 46px;
  place-items: center;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.primary-button {
  min-height: 54px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.primary-button.dark {
  background: var(--brand);
}

.primary-button.dark:hover {
  background: #1b3030;
}

.ghost-button {
  border: 1px solid #cfc6b2;
  background: #fff;
  color: var(--brand);
}

.ghost-button.danger,
.small-button.danger {
  border-color: #e0b1aa;
  color: var(--error);
}

.small-button {
  min-height: 38px;
  border: 1px solid #cfc6b2;
  background: #fff;
  color: var(--brand);
  font-size: 0.82rem;
}

.notice {
  border: 1px solid;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.92rem;
  font-weight: 700;
}

.notice.success {
  border-color: #88b99b;
  background: var(--success-bg);
  color: var(--success);
}

.notice.duplicate {
  border-color: #e5bd67;
  background: var(--warn-bg);
  color: var(--warn);
}

.notice.error {
  border-color: #e7a29a;
  background: var(--error-bg);
  color: var(--error);
}

.admin-layout {
  align-items: start;
}

.admin-brand {
  min-height: auto;
}

.qr-box {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  padding: 16px;
}

.qr-box img {
  display: block;
  width: min(260px, 100%);
  margin-top: 12px;
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.tiny-url {
  overflow-wrap: anywhere;
  color: #dce8e5;
  font-size: 0.78rem;
  line-height: 1.5;
}

.admin-panel {
  padding: 20px;
}

.admin-header {
  display: grid;
  gap: 14px;
}

.admin-actions,
.install-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.table-wrap {
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid #e2dac8;
  border-radius: 8px;
}

.table-head {
  display: none;
  background: var(--soft);
  color: #5a756f;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.attendance-row {
  display: grid;
  gap: 12px;
  border-top: 1px solid #eee7d9;
  padding: 14px;
}

.attendance-row:first-of-type {
  border-top: 0;
}

.row-main {
  display: grid;
  gap: 6px;
}

.row-main strong {
  overflow-wrap: anywhere;
}

.edit-details summary {
  width: max-content;
  cursor: pointer;
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 800;
}

.inline-edit {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.delete-form {
  margin: 0;
}

.empty-state {
  padding: 34px 14px;
  color: var(--muted);
  text-align: center;
}

.install-layout {
  display: grid;
  place-items: center;
  padding: 20px;
}

.install-card {
  width: min(720px, 100%);
  padding: 24px;
}

.help-text {
  color: var(--muted);
  line-height: 1.6;
}

.config-output {
  width: 100%;
  min-height: 240px;
  margin-top: 18px;
  border: 1px solid #cfc6b2;
  border-radius: 8px;
  padding: 14px;
  font-family: Consolas, monospace;
}

.link-button {
  width: 100%;
}

@media (min-width: 760px) {
  .phone-shell,
  .admin-layout {
    grid-template-columns: 0.9fr 1.1fr;
    padding: 36px;
  }

  .form-panel,
  .admin-panel,
  .install-card {
    padding: 32px;
  }

  .admin-header {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .table-head,
  .row-main {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr) minmax(0, 0.85fr);
    gap: 14px;
    align-items: center;
  }

  .table-head {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr) minmax(0, 0.85fr) 160px;
    padding: 12px 14px;
  }

  .attendance-row {
    grid-template-columns: minmax(0, 1fr) 70px 80px;
    align-items: start;
  }

  .inline-edit {
    grid-template-columns: minmax(0, 1fr);
  }

  .link-button {
    width: auto;
  }
}