/* ============================================================
   DIESEL & TRANSMISSION LAND — Shop Flow
   Design: industrial dark theme, safety-orange accent
   ============================================================ */

/* ---------- Design tokens ---------- */
:root,
[data-theme='dark'] {
  /* Surfaces — asphalt & steel */
  --color-bg: #141519;
  --color-surface: #1b1d22;
  --color-surface-2: #22242a;
  --color-surface-offset: #191b20;
  --color-divider: #2a2d34;
  --color-border: #33363e;

  /* Text */
  --color-text: #e8e9ec;
  --color-text-muted: #9a9da6;
  --color-text-faint: #6b6e78;

  /* Accent — safety orange */
  --color-primary: #f0731d;
  --color-primary-hover: #ff8a3d;
  --color-primary-active: #d15f0f;
  --color-primary-contrast: #1a1208;

  /* Status */
  --color-success: #5da742;
  --color-success-highlight: #22301e;

  /* Fonts */
  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Archivo', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);

  /* Content widths */
  --content-default: 1080px;
}

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
}

/* ---------- Spacing ---------- */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(240, 115, 29, 0.07), transparent 70%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  line-height: 1.15;
  text-wrap: balance;
}

a,
button,
input {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Shared layout ---------- */
.screen {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-16);
}

/* ============================================================
   GATE SCREEN (password entry)
   ============================================================ */
.gate {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.gate__card {
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
}

.gate__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid color-mix(in oklab, var(--color-primary) 45%, transparent);
  border-radius: var(--radius-full, 9999px);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-6);
}

.gate__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-text);
}

.gate__title .accent {
  color: var(--color-primary);
}

.gate__tagline {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-style: italic;
}

.gate__divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  color: var(--color-text-faint);
}

.gate__divider::before,
.gate__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

.gate__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.gate__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.gate__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
}

.gate__input::placeholder {
  color: var(--color-text-faint);
}

.gate__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 25%, transparent);
}

.gate__error {
  font-size: var(--text-sm);
  color: #e5694f;
  min-height: 1.4em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 700;
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}

.btn--pay {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: normal;
  line-height: 1.3;
}

.btn--pay:hover {
  background: var(--color-primary-hover);
}

/* ============================================================
   APP SCREEN (user view)
   ============================================================ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-8);
}

.topbar__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.topbar__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.topbar__name .accent {
  color: var(--color-primary);
}

.topbar__role {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: var(--space-1) var(--space-3);
}

.page-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ---------- Workload stats ---------- */
.workload {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.stat__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.stat__value .unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: var(--space-1);
}

.stat--accent {
  border-color: color-mix(in oklab, var(--color-primary) 55%, transparent);
  background:
    linear-gradient(in oklab, color-mix(in oklab, var(--color-primary) 10%, var(--color-surface)), var(--color-surface));
}

.stat--accent .stat__value {
  color: var(--color-primary);
}

/* ---------- Pay to move up banner ---------- */
.payline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  background: var(--color-surface);
  border: 1px solid color-mix(in oklab, var(--color-primary) 55%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
  overflow: hidden;
}

/* Hazard stripe along the left edge */
.payline::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-primary),
    var(--color-primary) 8px,
    #141519 8px,
    #141519 16px
  );
}

.payline__copy {
  padding-left: var(--space-4);
}

.payline__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-1);
}

.payline__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 60ch;
}

.payline__action {
  padding-left: var(--space-4);
}

/* ---------- RO table ---------- */
.table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
}

thead th {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-align: left;
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-offset);
  white-space: nowrap;
}

tbody td {
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  vertical-align: middle;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: color-mix(in oklab, var(--color-surface-2) 60%, transparent);
}

.cell-ro {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: normal;
  min-width: 6rem;
}

.ro-num {
  white-space: nowrap;
}

/* Visually hidden, still read by screen readers */
.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;
}

.cell-advisor {
  white-space: nowrap;
  font-weight: 500;
}

.cell-details {
  color: var(--color-text-muted);
  min-width: 260px;
}

.cell-hours {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

.cell-spot {
  white-space: nowrap;
}

.spot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 var(--space-2);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-weight: 700;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.spot--first {
  background: color-mix(in oklab, var(--color-primary) 18%, var(--color-surface-2));
  border-color: color-mix(in oklab, var(--color-primary) 60%, transparent);
  color: var(--color-primary);
}

.cell-action {
  text-align: right;
  white-space: normal;
  min-width: 7.5rem;
}

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.screen--admin {
  max-width: 1180px;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-8);
}

.tab {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab:hover {
  color: var(--color-text);
}

.tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- Admin cards ---------- */
.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.admin-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.admin-card__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

/* ---------- Form fields ---------- */
.add-form__grid,
.edit-form__grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.settings-grid--cols {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.field--wide {
  grid-column: 1 / -1;
}

.field__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.field__input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.field__input::placeholder {
  color: var(--color-text-faint);
}

.field__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 25%, transparent);
}

.field__input--select {
  cursor: pointer;
}

/* ---------- Checkboxes ---------- */
.check {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.check:hover {
  border-color: var(--color-border);
}

.check input {
  margin-top: 0.3em;
  width: 1.05em;
  height: 1.05em;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.check__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.check__label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.check__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Row action buttons ---------- */
.row-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn--danger {
  background: transparent;
  color: #e5694f;
  border: 1px solid color-mix(in oklab, #e5694f 45%, transparent);
  font-weight: 600;
}

.btn--danger:hover {
  background: color-mix(in oklab, #e5694f 12%, transparent);
}

.btn--danger-armed {
  background: #e5694f;
  color: #fff;
  border-color: #e5694f;
}

/* ---------- Folder cards ---------- */
.folder-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-5);
  background: var(--color-surface-offset);
}

.folder-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.folder-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  text-transform: uppercase;
}

.folder-card__count {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 0 var(--space-2);
  vertical-align: middle;
  margin-left: var(--space-2);
}

.folder-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin: var(--space-1) 0 var(--space-4);
}

.add-folder-form {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}

.add-folder-form .field__input {
  flex: 1;
  min-width: 220px;
}

.rename-form {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.rename-form .field__input {
  width: auto;
  min-width: 220px;
}

/* ---------- Inline edit row ---------- */
.edit-row td {
  padding: var(--space-4);
  background: color-mix(in oklab, var(--color-primary) 5%, var(--color-surface));
}

/* ---------- Empty states ---------- */
.empty-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.empty-state--slim {
  padding: var(--space-4);
}

/* ---------- Special flag chip ---------- */
.flag {
  display: inline-block;
  margin-left: var(--space-2);
  margin-top: var(--space-1);
  padding: 0 var(--space-2);
  border: 1px solid color-mix(in oklab, #e8af34 55%, transparent);
  border-radius: 9999px;
  background: color-mix(in oklab, #e8af34 12%, transparent);
  color: #e8af34;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  vertical-align: middle;
  line-height: 1.7;
}

/* ---------- Drag & drop ---------- */
.tr--dragging {
  opacity: 0.45;
}

.tr--drag-over {
  box-shadow: inset 0 2px 0 var(--color-primary);
}

/* ---------- Admin table cells ---------- */
.cell-location {
  white-space: nowrap;
}

.cell-location .field__input {
  padding: var(--space-1) var(--space-2);
  width: auto;
  min-width: 150px;
}

.cell-actions {
  white-space: nowrap;
}

/* ---------- Footer note ---------- */
.footnote {
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}

/* ---------- Small screens ---------- */
@media (max-width: 560px) {
  .gate__card {
    padding: var(--space-8) var(--space-5);
  }

  .payline__action {
    width: 100%;
  }

  .payline__action .btn {
    width: 100%;
  }
}

/* ---------- Mobile: table becomes stacked cards ---------- */
@media (max-width: 760px) {
  .table-wrap {
    background: transparent;
    border: none;
    box-shadow: none;
    overflow-x: visible;
  }

  table {
    min-width: 0;
  }

  thead {
    display: none;
  }

  tbody tr {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5) var(--space-5);
    margin-bottom: var(--space-4);
  }

  tbody tr:last-child {
    margin-bottom: 0;
  }

  tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-divider);
    text-align: right;
  }

  tbody tr:last-child td {
    border-bottom: none;
  }

  tbody td::before {
    content: attr(data-label);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-align: left;
    flex-shrink: 0;
  }

  .cell-details {
    min-width: 0;
    align-items: flex-start;
  }

  .cell-details__text {
    max-width: 62%;
    text-align: right;
    color: var(--color-text);
  }

  .cell-action,
  .cell-actions {
    justify-content: flex-end;
    padding-top: var(--space-4);
  }

  .cell-action::before,
  .cell-actions::before {
    content: none;
  }

  .cell-location {
    justify-content: flex-end;
  }

  .cell-location .field__input {
    width: auto;
  }
}