:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --border: #dfe5eb;
  --border-strong: #c9d2dc;
  --text: #17202a;
  --text-muted: #637181;
  --text-subtle: #7a8795;
  --accent: #1f6feb;
  --accent-strong: #1558c0;
  --accent-soft: #eaf2ff;
  --success: #18864b;
  --success-soft: #eaf8ef;
  --danger: #b42318;
  --danger-soft: #fff0ef;
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.07);
  --radius: 16px;
  --radius-sm: 10px;
  --control-height: 46px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f141a;
  --surface: #171d25;
  --surface-muted: #121820;
  --border: #2d3743;
  --border-strong: #465365;
  --text: #f3f6f9;
  --text-muted: #aab5c1;
  --text-subtle: #8b97a5;
  --accent-soft: #122846;
  --success-soft: #123324;
  --danger-soft: #351a19;
  --shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f141a;
    --surface: #171d25;
    --surface-muted: #121820;
    --border: #2d3743;
    --border-strong: #465365;
    --text: #f3f6f9;
    --text-muted: #aab5c1;
    --text-subtle: #8b97a5;
    --accent-soft: #122846;
    --success-soft: #123324;
    --danger-soft: #351a19;
    --shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

button,
input,
select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--accent);
  box-shadow: var(--shadow);
}
.skip-link:focus { top: 16px; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1500px;
  margin: 0 auto;
  min-height: 70px;
  padding: 12px 24px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 24px;
}
.brand-block { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}
.brand-subtitle { color: var(--text-subtle); font-size: .86rem; }
.header-status { justify-self: center; }
.header-actions { display: flex; gap: 8px; justify-content: flex-end; }

.status-badge,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 5px 9px;
  font-size: .78rem;
  font-weight: 700;
  white-space: nowrap;
}
.status-badge { background: var(--surface-muted); color: var(--text-muted); }
.status-badge.status-success { color: var(--success); background: var(--success-soft); border-color: color-mix(in srgb, var(--success) 20%, var(--border)); }
.pill-success { color: var(--success); background: var(--success-soft); border-color: transparent; }
.pill-neutral { color: var(--text-muted); background: var(--surface-muted); border-color: transparent; margin-left: 7px; }

.ghost-button,
.secondary-button,
.primary-button,
.text-danger-button,
.icon-button,
.link-button {
  border: 0;
  background: transparent;
}
.ghost-button,
.secondary-button,
.primary-button {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 11px;
  font-weight: 700;
  transition: transform .08s ease, background-color .12s ease, border-color .12s ease;
}
.ghost-button { color: var(--text-muted); }
.ghost-button:hover { background: var(--surface-muted); color: var(--text); }
.secondary-button {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
}
.secondary-button:hover { background: var(--surface-muted); }
.primary-button { background: var(--accent); color: white; }
.primary-button:hover { background: var(--accent-strong); }
.full-width { width: 100%; }
.text-danger-button { color: var(--danger); padding: 6px 0; font-weight: 700; }
.icon-button {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  color: var(--text-muted);
  font-size: 1.2rem;
}
.icon-button:hover { background: var(--surface-muted); color: var(--text); }
.icon-button.danger:hover { color: var(--danger); background: var(--danger-soft); }
.link-button { padding: 0; color: var(--accent); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }

.update-banner {
  max-width: 1500px;
  margin: 14px auto 0;
  padding: 14px 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background: var(--accent-soft);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.update-actions { display: flex; gap: 8px; }

.main-container {
  max-width: 1500px;
  margin: 24px auto;
  padding: 0 24px 24px;
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(380px, 1.25fr) minmax(280px, .8fr);
  gap: 18px;
  align-items: start;
}
.panel {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-heading {
  padding: 20px 20px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--border);
}
.panel-heading h1,
.panel-heading h2 { margin: 3px 0 0; letter-spacing: -0.025em; }
.panel-heading h1 { font-size: 1.45rem; }
.panel-heading h2 { font-size: 1.12rem; }
.eyebrow {
  color: var(--text-subtle);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  font-weight: 800;
}
.subtle-note { color: var(--text-subtle); font-size: .8rem; }

#shift-form { padding: 18px 20px 22px; }
.form-grid,
.two-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.span-2 { grid-column: span 2; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field > span:first-child { color: var(--text-muted); font-size: .82rem; font-weight: 700; }
.text-input,
.compact-select {
  width: 100%;
  min-height: var(--control-height);
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--surface);
  color: var(--text);
  outline: none;
}
.text-input:focus,
.compact-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.text-input[aria-invalid="true"] { border-color: var(--danger); background: var(--danger-soft); }
.text-input[data-error="Invalid time."] { border-color: var(--danger); }
.compact-select { width: auto; min-height: 38px; font-size: .85rem; }
.field-help { margin: 8px 0 0; color: var(--text-subtle); font-size: .78rem; }
.check-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-muted);
}
.check-field input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--accent);
}
.check-field span { display: grid; gap: 2px; }
.check-field small { color: var(--text-subtle); font-size: .75rem; }

kbd {
  padding: 1px 5px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-muted);
  color: var(--text-muted);
  font-size: .76rem;
}

.editor-callout,
.live-shift-card,
.settings-card,
.pay-result {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  border-radius: 13px;
}
.editor-callout {
  margin-top: 16px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
}
.draft-calculation { margin-top: 4px; font-size: 1.05rem; }
.draft-calculation strong { color: var(--text); font-size: 1.2rem; }
.calc-invalid { color: var(--danger); font-weight: 700; }
.error-list { margin: 7px 0 0; padding-left: 18px; color: var(--danger); font-size: .8rem; }

.section-heading-row { margin-top: 22px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.section-heading-row h2 { margin: 0; font-size: 1rem; }
.section-heading-row p { margin: 4px 0 0; color: var(--text-subtle); font-size: .78rem; max-width: 42ch; }
.break-list { margin-top: 12px; display: grid; gap: 8px; }
.break-row { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 8px; }
.empty-breaks { padding: 12px; border: 1px dashed var(--border-strong); border-radius: 11px; color: var(--text-subtle); font-size: .83rem; text-align: center; }
.break-remove { margin-bottom: 6px; }
.form-actions { margin-top: 20px; display: flex; justify-content: flex-end; gap: 9px; }

.shift-log { padding: 0 12px 12px; }
.table-scroll { overflow-x: auto; }
.shift-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.shift-table th,
.shift-table td { padding: 13px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.shift-table th { color: var(--text-subtle); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.shift-table td { font-size: .86rem; }
.shift-table tr:last-child td { border-bottom: 0; }
.shift-row.is-selected td { background: var(--accent-soft); }
.row-actions { display: flex; justify-content: flex-end; gap: 2px; }
.muted-inline { color: var(--text-subtle); margin-left: 5px; font-size: .75rem; }
.empty-state { min-height: 300px; padding: 42px 20px; display: grid; place-content: center; text-align: center; gap: 4px; color: var(--text-subtle); }
.empty-state strong { color: var(--text); }

.summary-panel { padding-bottom: 18px; }
#summary-content { padding: 16px; }
.live-shift-card { padding: 13px; display: grid; gap: 2px; margin-bottom: 12px; }
.live-shift-card span { color: var(--text-subtle); font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; }
.live-shift-card strong { font-size: 1.22rem; }
.live-shift-card small { color: var(--text-subtle); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metric-card { min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: 12px; }
.metric-label { display: block; color: var(--text-subtle); font-size: .73rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.metric-value { display: block; margin-top: 3px; font-size: 1.1rem; }
.metric-helper { display: block; margin-top: 3px; color: var(--text-subtle); font-size: .72rem; line-height: 1.35; }
.metric-card.positive .metric-value { color: var(--success); }
.metric-card.negative .metric-value { color: var(--danger); }
.pay-result { margin-top: 8px; padding: 13px; display: grid; gap: 2px; }
.pay-result span { color: var(--text-subtle); font-size: .76rem; }
.pay-result strong { font-size: 1.18rem; }
.pay-result small { color: var(--text-subtle); }
.settings-card { margin: 0 16px 10px; padding: 13px; }
.settings-heading { margin-bottom: 10px; }
.settings-heading strong,
.settings-heading span { display: block; }
.settings-heading span { color: var(--text-subtle); font-size: .75rem; margin-top: 2px; }
.summary-actions { padding: 4px 16px 0; }

.app-footer {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 24px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--text-subtle);
  font-size: .8rem;
}

.modal-overlay {
  width: min(560px, calc(100vw - 32px));
  max-width: none;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .25);
}
.modal-overlay::backdrop { background: rgba(15, 23, 42, .5); backdrop-filter: blur(2px); }
.modal-card { padding: 20px; }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.modal-header h2 { margin: 3px 0 0; }
.modal-card > p { color: var(--text-muted); font-size: .88rem; }
.modal-section { display: grid; gap: 10px; padding: 14px 0; border-top: 1px solid var(--border); }
.modal-actions { display: flex; justify-content: flex-end; padding-top: 14px; border-top: 1px solid var(--border); }
.inline-message { min-height: 1.3em; margin: 0; font-size: .82rem; }
.inline-message.success { color: var(--success); }
.inline-message.error { color: var(--danger); }

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

body::after {
  content: "";
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: .65;
}
body[data-status-tone="success"]::after { background: var(--success); }
body[data-status-tone="danger"]::after { background: var(--danger); }
body[data-status-tone="neutral"]::after { background: var(--text-subtle); }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 50%, white); outline-offset: 2px; }

@media (max-width: 1024px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .header-status { grid-column: 1 / -1; justify-self: start; order: 3; }
  .main-container { grid-template-columns: 1fr 1fr; }
  .summary-panel { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .header-inner { padding: 10px 14px; }
  .brand-subtitle { display: none; }
  .header-actions { gap: 2px; }
  .ghost-button { padding: 0 8px; font-size: .78rem; }
  .main-container { grid-template-columns: 1fr; margin-top: 12px; padding: 0 12px 12px; }
  .summary-panel { grid-column: auto; }
  .update-banner { margin: 10px 12px 0; align-items: flex-start; flex-direction: column; }
  .update-actions { width: 100%; }
  .update-actions > button { flex: 1; }
  .form-grid, .two-field-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .break-row { grid-template-columns: 1fr 1fr auto; }
  .panel-heading { padding: 16px; }
  #shift-form { padding: 16px; }
  .app-footer { padding: 0 12px 22px; align-items: flex-start; flex-direction: column; }
}

@media print {
  @page { size: A4 portrait; margin: 14mm; }
  body { background: #fff !important; color: #000 !important; }
  .app-header,
  .update-banner,
  .shift-editor-panel,
  .app-footer,
  .settings-card,
  .summary-actions,
  button,
  select,
  input { display: none !important; }
  .main-container { display: block; max-width: none; margin: 0; padding: 0; }
  .shift-log-panel,
  .summary-panel {
    box-shadow: none !important;
    border: 1px solid #bbb !important;
    margin-bottom: 12px;
    page-break-inside: avoid;
    break-inside: avoid;
  }
  .shift-log { padding: 0 8px 8px; }
  .panel-heading { padding: 8px 10px; border-bottom: 1px solid #bbb; }
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
  .metric-card, .live-shift-card, .pay-result {
    background: #fff !important;
    border-color: #bbb !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .metric-value, .pay-result strong {
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .muted-inline, .metric-helper, .pay-result small { color: #444 !important; }
}

.advanced-option { margin-top: 14px; }