/* =====================================================================
   Base: reset, typography, forms, buttons, utilities
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(58% 42% at 100% 0%, var(--bloom-1), transparent 62%),
    radial-gradient(48% 38% at 0% 100%, var(--bloom-2), transparent 62%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 { margin: 0; font-weight: 650; letter-spacing: -.012em; color: var(--ink-strong); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }
h4 { font-size: .92rem; }
p  { margin: 0 0 var(--sp-3); }

/* `.btn` carries its own ink, so the generic link colour must skip button links. */
a { text-decoration: none; }
a:not(.btn) { color: var(--brand-600); }
a:not(.btn):hover { text-decoration: underline; }
[data-theme='dark'] a:not(.btn) { color: var(--brand-400); }

hr { border: 0; border-top: 1px solid var(--border); margin: var(--sp-5) 0; }

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

/* Default size for the inline icon set; component rules may override it. */
.ic { width: 16px; height: 16px; flex: none; vertical-align: -2px; }

::selection { background: var(--brand-200); color: var(--brand-900); }
[data-theme='dark'] ::selection { background: var(--brand-700); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* scrollbars ------------------------------------------------------- */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--surface);
  --btn-bg-hover: var(--surface-3);
  --btn-ink: var(--ink);
  --btn-ink-hover: var(--btn-ink);
  --btn-border: var(--border-strong);
  --btn-border-hover: var(--btn-border);
  --btn-ring: var(--ring-neutral);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 8px 14px;
  min-height: 38px;
  border: 1px solid var(--btn-border);
  border-radius: var(--r-sm);
  background: var(--btn-bg);
  color: var(--btn-ink);
  font: inherit;
  font-size: .875rem;
  font-weight: 560;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
/* One hover recipe for every variant: the fill *deepens* (never washes out,
   so the label keeps its contrast), the border follows the fill and a soft
   halo lifts the button. Variants only supply the tokens.
   `hover: hover` keeps the state off touch screens, where it would otherwise
   stick to the last tapped button. */
@media (hover: hover) {
  .btn:hover:not(:disabled):not([aria-disabled='true']) {
    background: var(--btn-bg-hover);
    border-color: var(--btn-border-hover);
    color: var(--btn-ink-hover);
    box-shadow: 0 0 0 3px var(--btn-ring);
    text-decoration: none;
  }
}
.btn:active:not(:disabled):not([aria-disabled='true']) {
  background: var(--btn-bg-hover);
  border-color: var(--btn-border-hover);
  color: var(--btn-ink-hover);
  transform: translateY(1px);
  box-shadow: none;
}
.btn:disabled, .btn[aria-disabled='true'] { opacity: .55; cursor: not-allowed; }

.btn-primary {
  --btn-bg: var(--brand-600); --btn-bg-hover: var(--brand-700);
  --btn-ink: #fff; --btn-ink-hover: #fff;
  --btn-border: var(--brand-600); --btn-border-hover: var(--brand-700);
  --btn-ring: var(--ring-brand);
}
[data-theme='dark'] .btn-primary {
  --btn-bg: var(--brand-500); --btn-bg-hover: var(--brand-600);
  --btn-border: var(--brand-500); --btn-border-hover: var(--brand-600);
}

/* `.btn-gold` keeps its name for callers; it is now the soft brand tint */
.btn-gold {
  --btn-bg: var(--brand-50); --btn-bg-hover: var(--brand-100);
  --btn-ink: var(--brand-700); --btn-ink-hover: var(--brand-700);
  --btn-border: var(--brand-200); --btn-border-hover: var(--brand-300);
  --btn-ring: var(--ring-brand);
}
[data-theme='dark'] .btn-gold {
  --btn-bg: var(--accent-soft); --btn-bg-hover: var(--surface-3);
  --btn-ink: var(--brand-300); --btn-ink-hover: var(--brand-200);
  --btn-border: var(--border-strong); --btn-border-hover: var(--brand-500);
}

.btn-danger {
  --btn-bg: var(--red-600); --btn-bg-hover: var(--red-700);
  --btn-ink: #fff; --btn-ink-hover: #fff;
  --btn-border: var(--red-600); --btn-border-hover: var(--red-700);
  --btn-ring: var(--ring-danger);
}

.btn-success {
  --btn-bg: var(--green-600); --btn-bg-hover: var(--green-700);
  --btn-ink: #fff; --btn-ink-hover: #fff;
  --btn-border: var(--green-600); --btn-border-hover: var(--green-700);
  --btn-ring: var(--ring-success);
}

.btn-ghost {
  --btn-bg: transparent; --btn-bg-hover: var(--surface-3);
  --btn-border: transparent; --btn-border-hover: transparent;
  --btn-ink: var(--ink-muted); --btn-ink-hover: var(--ink);
  --btn-ring: transparent;
}

.btn-sm { min-height: 31px; padding: 5px 10px; font-size: .8rem; }
.btn-lg { min-height: 46px; padding: 12px 22px; font-size: .95rem; }
.btn-block { width: 100%; }
.btn-icon { padding: 7px; min-height: 34px; min-width: 34px; }
.btn .ic { width: 16px; height: 16px; flex: none; }

/* ------------------------------------------------------------ forms */
.field { margin-bottom: var(--sp-4); min-width: 0; }
.field > label:not(.check), .label {
  display: block;
  margin-bottom: 5px;
  font-size: .78rem;
  font-weight: 620;
  letter-spacing: .015em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.req { color: var(--red-600); margin-inline-start: 2px; font-weight: 700; }
[data-theme='dark'] .req { color: var(--red-500); }
.hint { display: block; margin-top: 4px; font-size: .77rem; color: var(--ink-faint); line-height: 1.45; }

.input, .select, .textarea {
  width: 100%;
  padding: 9px 12px;
  min-height: 40px;
  font: inherit;
  font-size: .9rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.textarea { min-height: 86px; resize: vertical; line-height: 1.5; }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }
.input:hover:not(:disabled):not(:focus), .textarea:hover:not(:disabled):not(:focus) { border-color: var(--ink-faint); }
.input:disabled, .select:disabled, .textarea:disabled { background: var(--surface-3); color: var(--ink-faint); cursor: not-allowed; }
.input.is-invalid, .select.is-invalid, .textarea.is-invalid {
  border-color: var(--red-600);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--ring-danger);
}
[data-theme='dark'] .input.is-invalid,
[data-theme='dark'] .select.is-invalid,
[data-theme='dark'] .textarea.is-invalid { border-color: var(--red-500); }

.select {
  appearance: none;
  padding-inline-end: 34px;
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 13px;
  cursor: pointer;
}
[dir='rtl'] .select { background-position: left 12px center; }
.select:hover:not(:disabled) { border-color: var(--border-strong); }

.error-text { display: block; margin-top: 4px; font-size: .78rem; color: var(--red-600); font-weight: 500; }
[data-theme='dark'] .error-text { color: var(--red-500); }

.check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: .875rem;
  cursor: pointer;
  user-select: none;
}
.check input[type='checkbox'], .check input[type='radio'] { margin-top: 1px; }

/* ------------------------------------------------- checkbox & radio */
input[type='checkbox'], input[type='radio'] {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px; height: 18px; margin: 0;
  display: inline-grid; place-content: center;
  vertical-align: -3px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-xs);
  background: var(--surface);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
input[type='radio'] { border-radius: 50%; }
input[type='checkbox']:hover:not(:disabled),
input[type='radio']:hover:not(:disabled) { border-color: var(--brand-300); }

/* the tick and the dot: drawn, so they scale with the control */
input[type='checkbox']::before {
  content: '';
  width: 11px; height: 11px;
  background: var(--check-ink, #fff);
  clip-path: polygon(14% 46%, 0 60%, 39% 100%, 100% 21%, 85% 7%, 38% 70%);
  transform: scale(0);
  transition: transform 120ms var(--ease);
}
input[type='radio']::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--check-ink, #fff);
  transform: scale(0);
  transition: transform 120ms var(--ease);
}
input[type='checkbox']:checked::before,
input[type='radio']:checked::before { transform: scale(1); }
input[type='checkbox']:indeterminate::before {
  transform: scale(1);
  clip-path: inset(42% 8% 42% 8% round 1px);
}

input[type='checkbox']:checked, input[type='radio']:checked,
input[type='checkbox']:indeterminate {
  background: var(--brand-600); border-color: var(--brand-600);
}
input[type='checkbox']:focus-visible, input[type='radio']:focus-visible {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
input[type='checkbox']:disabled, input[type='radio']:disabled {
  opacity: .5; cursor: not-allowed; background: var(--surface-3);
}

[data-theme='dark'] input[type='checkbox']:checked,
[data-theme='dark'] input[type='radio']:checked,
[data-theme='dark'] input[type='checkbox']:indeterminate {
  --check-ink: var(--brand-900);
  background: var(--brand-400); border-color: var(--brand-400);
}

@media (prefers-reduced-motion: reduce) {
  input[type='checkbox']::before, input[type='radio']::before { transition: none; }
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--sp-4);
  align-items: start;                 /* a hint grows its own cell, not the row */
}
.form-grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.form-grid > .field { margin-bottom: 0; }
.field.span-2 { grid-column: span 2; }
.field.span-all { grid-column: 1 / -1; }
@media (max-width: 620px) { .field.span-2 { grid-column: span 1; } }

/* A lone checkbox in a grid cell has no 40px control to sit against, so it
   floats above its neighbours' inputs. This gives it the same line. */
.field > .check-line { display: flex; align-items: center; min-height: 40px; }
.check-stack { display: flex; flex-direction: column; gap: var(--sp-2); padding-block: 6px; }

.file-drop {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r);
  padding: var(--sp-4);
  text-align: center;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.file-drop:hover, .file-drop.dragover { border-color: var(--brand-500); background: var(--accent-soft); }
.file-drop input { display: none; }
.file-drop .ic { width: 20px; height: 20px; color: var(--ink-faint); margin-bottom: 6px; }
.file-drop:hover .ic { color: var(--accent-ink); }
/* The card title carries the document name; it should read as a name, not as
   another uppercase section heading. */
.file-drop .fdrop-title { font-size: .85rem; font-weight: 620; color: var(--ink); text-transform: none; letter-spacing: 0; }
.file-drop .fname { font-size: .76rem; color: var(--ink-faint); margin-top: 3px; word-break: break-all; text-transform: none; letter-spacing: 0; }
.file-drop.has-file { border-style: solid; border-color: var(--brand-300); background: var(--accent-soft); }
.file-drop.has-file .fname { color: var(--accent-ink); font-weight: 600; }

/* ------------------------------------------------------- utilities */
.row { display: flex; gap: var(--sp-3); }
.row.wrap { flex-wrap: wrap; }
.row.center { align-items: center; }
.row.between { justify-content: space-between; align-items: center; }
.row.end { justify-content: flex-end; }
.col { display: flex; flex-direction: column; gap: var(--sp-3); }
.grow { flex: 1 1 auto; min-width: 0; }
.spacer { flex: 1 1 auto; }

.mt-0 { margin-top: 0; } .mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); } .mb-5 { margin-bottom: var(--sp-5); }

.text-sm { font-size: .82rem; }
.text-xs { font-size: .74rem; }
.text-lg { font-size: 1.05rem; }
.muted { color: var(--ink-muted); }
.faint { color: var(--ink-faint); }
.strong { font-weight: 640; }
.mono { font-family: var(--font-mono); font-size: .85em; letter-spacing: -.01em; }
.num { font-variant-numeric: tabular-nums; }
.upper { text-transform: uppercase; letter-spacing: .05em; }
/* `.row.center` means align-items; only a standalone .center centres text. */
.center:not(.row) { text-align: center; }
.right { text-align: end; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none !important; }
.pointer { cursor: pointer; }
.gold { color: var(--accent-ink); }
.ok { color: var(--green-600); } .warn { color: var(--amber-600); } .bad { color: var(--red-600); }
[data-theme='dark'] .ok { color: var(--green-500); }
[data-theme='dark'] .warn { color: var(--amber-500); }
[data-theme='dark'] .bad { color: var(--red-500); }

.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;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}