/* ============================================================
   Rowcut — name sheet layout tool
   Art direction: print-shop workshop. Kraft paper + graphite,
   safety-orange accent, cyan cut-line. Precise, industrial, calm.
   ============================================================ */

:root,
[data-theme='light'] {
  --color-bg: #f4f2ed;
  --color-surface: #fbfaf7;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ece8e1;
  --color-divider: #dcd7cd;
  --color-border: #cbc5b8;

  --color-text: #1f1d18;
  --color-text-muted: #6b6659;
  --color-text-faint: #a19b8d;
  --color-text-inverse: #fbfaf7;

  --color-primary: #a8410f;
  --color-primary-hover: #8a340a;
  --color-primary-soft: #f6e6da;

  --color-cut: #0a5f74;
  --color-cut-soft: #dceaee;
  --color-success: #3f6f22;

  --sheet-bg: #ffffff;
  --sheet-edge: #b6afa1;
  --shadow-sm: 0 1px 2px rgb(31 29 24 / 0.07);
  --shadow-md: 0 4px 14px rgb(31 29 24 / 0.09);
}

[data-theme='dark'] {
  --color-bg: #141311;
  --color-surface: #1a1917;
  --color-surface-2: #1f1e1b;
  --color-surface-offset: #232220;
  --color-divider: #2b2a27;
  --color-border: #3a3835;

  --color-text: #e6e3dd;
  --color-text-muted: #9b968c;
  --color-text-faint: #6c6862;
  --color-text-inverse: #171614;

  --color-primary: #e07636;
  --color-primary-hover: #f08a4b;
  --color-primary-soft: #33241a;

  --color-cut: #56b6cd;
  --color-cut-soft: #1b2c31;
  --color-success: #7fb055;

  --sheet-bg: #24231f;
  --sheet-edge: #4b4844;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow-md: 0 6px 18px rgb(0 0 0 / 0.45);
}

:root {
  --font-display: 'Cabinet Grotesk', 'Archivo', sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.3125rem);
  --text-xl: clamp(1.5rem, 1.3rem + 0.9vw, 2rem);

  --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;

  --radius-sm: 0.3125rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --transition-interactive: 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100dvh;
  line-height: 1.55;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}
img,
svg {
  display: block;
  max-width: 100%;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
h1,
h2,
h3 {
  line-height: 1.15;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.015em;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
a,
button,
input,
textarea,
select,
label.file-btn {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) clamp(var(--space-4), 3vw, var(--space-8));
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.logo {
  width: 40px;
  height: 32px;
  flex: none;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.brand-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.icon-btn {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ---------- layout shell ---------- */
.shell {
  display: grid;
  grid-template-columns: minmax(320px, 380px) 1fr;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-5) clamp(var(--space-4), 3vw, var(--space-8));
  max-width: 1600px;
  margin-inline: auto;
}
@media (max-width: 940px) {
  .shell {
    grid-template-columns: 1fr;
  }
}
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.controls {
  padding: var(--space-5);
  position: sticky;
  top: 5.25rem;
  max-height: calc(100dvh - 6.5rem);
  overflow-y: auto;
}
@media (max-width: 940px) {
  .controls {
    position: static;
    max-height: none;
  }
}
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.output {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-width: 0;
}

/* ---------- form ---------- */
.group {
  border: none;
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
legend {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 700;
  color: var(--color-text-muted);
  padding-inline-end: var(--space-2);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}
.field.indent {
  padding-left: 1.75rem;
}
.field-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}
label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
input[type='number'],
input[type='text'],
select,
textarea {
  width: 100%;
  padding: 0.4375rem 0.625rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
textarea {
  resize: vertical;
  line-height: 1.5;
  font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
  font-size: var(--text-xs);
}
input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-text-faint);
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
/* A field wrapper that can hold an inline clear (×) button. */
.clearable {
  position: relative;
  display: flex;
  min-width: 0;
}
/* Keep typed text from running under the button. */
.clearable > input[type='text'] {
  padding-right: 2rem;
}
.clearable > textarea {
  padding-right: 2.25rem;
}
.clear-btn {
  position: absolute;
  top: 50%;
  right: 0.375rem;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 1.375rem;
  height: 1.375rem;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-faint);
  cursor: pointer;
  transition: color 120ms ease, background-color 120ms ease;
}
/* In a textarea the button pins to the top corner, clear of the scrollbar
   and the bottom-right resize handle. */
.clear-btn-area {
  top: 0.375rem;
  right: 1.125rem;
  transform: none;
}
.clear-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-text);
}
.clear-btn:focus-visible {
  outline: none;
  color: var(--color-text);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.clear-btn[hidden] {
  display: none;
}

.hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
#warn-status:not(:empty) {
  color: var(--color-primary);
}
.row-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.file-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.3125rem 0.625rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  flex: none;
}
.file-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.file-btn input {
  display: none;
}
.check {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 400;
  cursor: pointer;
}
.check input {
  margin-top: 0.3125rem;
  accent-color: var(--color-primary);
  flex: none;
  width: 1rem;
  height: 1rem;
}
.check em {
  display: block;
  font-style: normal;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.4;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
  font-weight: 500;
}
.btn:hover {
  border-color: var(--color-text-faint);
  background: var(--color-surface-offset);
}
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
[data-theme='dark'] .btn-primary {
  color: #1a1310;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-ghost {
  border-color: transparent;
  background: none;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ---------- metrics ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
}
.metric {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}
.metric dt {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
}
.metric dd {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  margin-top: 0.125rem;
}
.metric dd small {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- preview ---------- */
.preview-panel {
  padding: var(--space-4) var(--space-5) var(--space-5);
}
.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.preview-head h2,
.export h2 {
  font-size: var(--text-lg);
}
.seg {
  display: inline-flex;
  padding: 2px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
}
.seg-btn {
  padding: 0.3125rem 0.75rem;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}
.seg-btn.is-on {
  background: var(--color-surface-2);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.sheet-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.sheet-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.sheet-frame {
  background: var(--sheet-bg);
  border: 1px solid var(--sheet-edge);
  border-radius: var(--radius-sm);
  padding: 0;
  overflow: hidden;
}
.sheet-frame svg {
  width: 100%;
  height: auto;
  display: block;
}
/* Fit mode: whole sheet visible inside a fixed-height window */
.preview.zoom-fit .sheet-frame {
  display: flex;
  justify-content: center;
  height: 62vh;
  min-height: 320px;
}
.preview.zoom-fit .sheet-frame svg {
  width: auto;
  height: 100%;
  max-width: 100%;
}
/* Full-width mode: sheet at panel width, scroll inside the window */
.preview.zoom-full .sheet-frame {
  max-height: 70vh;
  overflow: auto;
}
.empty {
  display: grid;
  place-items: center;
  gap: var(--space-2);
  padding: var(--space-10) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.skeleton {
  height: 220px;
  border-radius: var(--radius-md);
  background: linear-gradient(
    90deg,
    var(--color-surface-offset) 25%,
    var(--color-divider) 50%,
    var(--color-surface-offset) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}
.note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 68ch;
}
.export {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ---------- guide sheet ---------- */
[hidden] {
  display: none !important;
}
.preview-tools {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.mini-check {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.mini-check input {
  accent-color: var(--color-primary);
  width: 0.875rem;
  height: 0.875rem;
}
.guide {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.guide h3 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-weight: 700;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--text-sm);
}
th,
td {
  text-align: left;
  padding: 0.375rem 0.625rem;
  border-bottom: 1px solid var(--color-divider);
}
th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 700;
}
td.num,
td.w {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
}
tr.row-start td {
  border-top: 2px solid var(--color-border);
}
.size-tag {
  display: inline-block;
  min-width: 2.25rem;
  text-align: center;
  padding: 0.0625rem 0.375rem;
  border-radius: var(--radius-sm);
  background: var(--color-cut-soft);
  color: var(--color-cut);
  font-size: var(--text-xs);
  font-weight: 700;
}
.foot {
  padding: var(--space-6) clamp(var(--space-4), 3vw, var(--space-8)) var(--space-10);
  max-width: 1600px;
  margin-inline: auto;
}
.foot p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 70ch;
}

/* ---------- print (weeding guide) ---------- */
@media print {
  .topbar,
  .controls,
  .export,
  .metrics,
  .foot,
  .preview,
  .seg {
    display: none !important;
  }
  .shell {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .panel {
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .guide {
    display: flex !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  th,
  td {
    border-bottom: 1px solid #bbb;
  }
}

@media (max-width: 520px) {
  .brand-sub {
    display: none;
  }
  .preview-tools {
    gap: var(--space-2);
  }
}

/* ---- screenshot import ---- */
.shot-drop {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.shot-drop.is-over {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-text);
}
.shot-drop.is-busy {
  border-style: solid;
  border-color: var(--color-cut);
  background: var(--color-cut-soft);
  color: var(--color-text);
}
.shot-drop kbd {
  font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
  font-size: 0.92em;
  padding: 1px 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.shot-drop .hint:empty {
  display: none;
}

/* ---------------- shop password gate ---------------- */
.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;
}

body.is-locked > *:not(.gate) {
  display: none !important;
}

.gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  background: var(--color-bg);
  background-image: radial-gradient(circle at 50% 0%, var(--color-surface-2), var(--color-bg) 62%);
}

.gate-card {
  width: 100%;
  max-width: 22rem;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 18px 40px -20px rgb(0 0 0 / 22%);
}

.gate-logo {
  width: 2.75rem;
  height: auto;
  margin: 0 auto;
  color: var(--color-text);
}

.gate-card h1 {
  margin: var(--space-5) 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.gate-card > p {
  margin: 0 0 var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.gate-field {
  display: block;
  margin-bottom: var(--space-4);
}

.gate-field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-size: var(--text-base);
  text-align: center;
  letter-spacing: 0.06em;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-interactive);
}

.gate-field input:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.gate-card .btn {
  width: 100%;
  justify-content: center;
}

.gate-error {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-primary);
}