/* ==========================================================================
   KRCU-VastuKosh
   The interface is built to read like the physical stock register it replaces:
   ruled sheets, mono-spaced identifiers, right-aligned money, and a single
   decorative device — the office rubber stamp used for workflow status.
   ========================================================================== */

:root {
  /* Brand tokens (RCU identity) */
  --header-logo:       #FFFFE3;
  --header-nav:        #3F0713;
  --header-sub-nav:    #EF3B33;
  --message-panel:     #FFF6DA;
  --body-background:   #FFFFFF;
  --text-dull:         #333333;
  --rcu-logo-bg:       #f8cd02;

  /* Functional tokens mapped to brand palette */
  --primary:           #EF3B33;   /* header-sub-nav */
  --primary-dark:      #3F0713;   /* header-nav */
  --primary-light:     #f5635b;   /* lighter red for hovers */
  --accent:            #f8cd02;   /* rcu-logo-bg (gold) */
  --accent-light:      #fcd634;   /* lighter gold */
  --success:           #198754;
  --surface:           #FFFFFF;   /* body-background */
  --surface2:          #FFF6DA;   /* message-panel — page background */
  --surface3:          #FFFFE3;   /* header-logo — card/chip surfaces */
  --border:            #e8d4a8;   /* warm tan */
  --text:              #333333;   /* text-dull */
  --text-muted:        #6b5a48;   /* warm muted brown */
  --text-light:        #9a8575;   /* warm light */
  --shadow-sm:         0 2px 8px rgba(63,7,19,0.08);
  --shadow-md:         0 6px 24px rgba(63,7,19,0.13);
  --shadow-lg:         0 16px 48px rgba(63,7,19,0.18);

  /* Derived tints — mixes/alphas of the palette above, for hover, soft and
     on-dark states. No hues outside the brand palette are introduced. */
  --primary-soft:    rgba(239,59,51,.10);
  --success-soft:    rgba(25,135,84,.12);
  --success-dark:    #156f45;   /* success mixed 82% with black */
  --accent-soft:     rgba(248,205,2,.16);
  --border-strong:   #b6a382;   /* border mixed 60% with text-muted */
  --row-hover:       #fffff2;   /* surface3 mixed 45% with surface */

  --nav-text:        rgba(255,255,227,.85);  /* default text on the maroon nav/aside */
  --nav-text-dim:    rgba(255,255,227,.62);  /* secondary text on the maroon nav/aside */
  --nav-text-faint:  rgba(255,255,227,.48);  /* tertiary/label text on the maroon nav/aside */
  --nav-border:      rgba(255,255,227,.14);  /* hairline dividers on the maroon nav/aside */
  --nav-hover:       rgba(255,255,255,.09);  /* hover fill on the maroon nav/aside */
  --nav-active:      rgba(255,255,255,.16);  /* active/current fill on the maroon nav/aside */

  --rail: 244px;

  --serif: "IBM Plex Serif", "Georgia", "Noto Serif", serif;
  --sans:  "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
}

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

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

body {
  margin: 0;
  background: var(--surface2);
  color: var(--text);
  font: 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration-color: var(--border-strong); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--primary); }

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

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; margin: 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }

.mono { font-family: var(--mono); font-size: .92em; letter-spacing: -.02em; }
.num  { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- eyebrows */
.eyebrow {
  font: 600 10px/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* ==================================================================== shell */
.shell { display: grid; grid-template-columns: var(--rail) 1fr; min-height: 100vh; }

.rail {
  background: var(--primary-dark);
  color: var(--nav-text);
  padding: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand { display: flex; gap: 11px; align-items: flex-start; padding: 0 20px; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
.brand__name { font-family: var(--serif); font-size: 1.06rem; color: var(--surface); line-height: 1.15; }
.brand__org { font-size: 10.5px; color: var(--nav-text-dim); letter-spacing: .01em; margin-top: 3px; }

.rail__group { padding: 0 12px; }
.rail__title {
  font: 600 9.5px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase;
  color: var(--nav-text-faint); padding: 0 8px 8px;
}
.rail a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 7px 10px 7px 9px; border-radius: 3px;
  color: var(--nav-text); text-decoration: none; font-size: 13.5px;
  border-left: 2px solid transparent;
}
.rail a:hover { background: var(--nav-hover); color: var(--surface); }
.rail a.is-on { background: var(--nav-active); color: var(--surface); border-left-color: var(--accent); font-weight: 500; }
.rail .tally {
  font: 600 10.5px/1 var(--mono); background: var(--accent); color: var(--primary-dark);
  padding: 3px 5px; border-radius: 2px;
}

.rail__foot { margin-top: auto; padding: 0 20px; border-top: 1px solid var(--nav-border); padding-top: 16px; }
.rail__who { color: var(--surface); font-size: 13px; }
.rail__role { font: 600 9.5px/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--accent-light); margin-top: 4px; }
.rail__pan { font-family: var(--mono); font-size: 11px; color: var(--nav-text-dim); margin-top: 5px; }
.rail__links { display: flex; gap: 12px; margin-top: 11px; font-size: 12px; }
.rail__links a { padding: 0; border: 0; color: var(--nav-text-dim); text-decoration: underline; }

.main { min-width: 0; padding: 26px 30px 60px; }

.topline {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end;
  justify-content: space-between; margin-bottom: 20px;
}
.topline__actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==================================================================== cards */
.sheet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: var(--shadow-sm);
}
.sheet__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.sheet__body { padding: 18px; }
.sheet + .sheet { margin-top: 18px; }

.grid { display: grid; gap: 18px; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--split { grid-template-columns: 1.6fr 1fr; align-items: start; }

/* Counters read as ledger totals: label above, tabular figure below. */
.tally-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 3px;
  padding: 14px 16px 15px; box-shadow: var(--shadow-sm);
  border-top: 2px solid var(--primary-dark);
}
.tally-card--brass { border-top-color: var(--accent); }
.tally-card--ok    { border-top-color: var(--success); }
.tally-card--no    { border-top-color: var(--primary); }
.tally-card__value { font: 500 1.75rem/1.1 var(--mono); font-variant-numeric: tabular-nums; margin-top: 7px; }
.tally-card__note  { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; }

/* =================================================================== tables */
.ledger-wrap { overflow-x: auto; }
table.ledger { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.ledger th {
  text-align: left; padding: 9px 12px; border-bottom: 1.5px solid var(--border-strong);
  font: 600 10px/1.3 var(--sans); letter-spacing: .11em; text-transform: uppercase; color: var(--text-muted);
  white-space: nowrap; background: var(--surface3);
}
table.ledger td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.ledger tbody tr:hover { background: var(--row-hover); }
table.ledger tfoot td { border-top: 1.5px solid var(--border-strong); border-bottom: 0; font-weight: 600; background: var(--surface3); }
.r { text-align: right; }
.c { text-align: center; }
.nowrap { white-space: nowrap; }
.t-main { font-weight: 500; }
.t-sub  { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

/* The stock-book page number, drawn as the tab it is in the paper register. */
.folio {
  display: inline-block; min-width: 34px; text-align: center;
  font: 600 11px/1 var(--mono); color: var(--text-muted);
  background: var(--surface3); border: 1px solid var(--border);
  border-radius: 2px 5px 5px 2px; padding: 4px 6px;
}
.folio--empty { color: var(--text-light); background: var(--surface2); border-color: var(--border); }

/* ==================================================================== stamp */
.stamp {
  display: inline-block; padding: 3px 7px; border: 1.5px solid currentColor;
  border-radius: 2px; font: 600 9.5px/1.25 var(--sans);
  letter-spacing: .1em; text-transform: uppercase; white-space: nowrap;
}
.stamp--ok    { color: var(--success);    background: var(--success-soft); transform: rotate(-1.2deg); }
.stamp--no    { color: var(--primary);    background: var(--primary-soft); }
.stamp--wait  { color: var(--text-muted); background: var(--accent-soft); }
.stamp--draft { color: var(--text-light); background: var(--surface2); border-style: dashed; }

.pill {
  display: inline-block; padding: 2px 7px; border-radius: 10px;
  font: 500 11px/1.5 var(--sans); border: 1px solid var(--border-strong); color: var(--text-muted);
}
.pill--ok   { color: var(--success);    border-color: rgba(25,135,84,.45);  background: var(--success-soft); }
.pill--wait { color: var(--text-muted); border-color: rgba(248,205,2,.55);  background: var(--accent-soft); }
.pill--no   { color: var(--primary);    border-color: rgba(239,59,51,.45);  background: var(--primary-soft); }

/* ================================================================= progress */
.stages { display: flex; flex-wrap: wrap; gap: 0; margin: 0; padding: 0; list-style: none; }
.stages li {
  position: relative; padding: 6px 16px 6px 20px; font-size: 12px; color: var(--text-light);
  background: var(--surface2); border: 1px solid var(--border); border-right: 0;
}
.stages li:first-child { padding-left: 13px; border-radius: 3px 0 0 3px; }
.stages li:last-child { border-right: 1px solid var(--border); border-radius: 0 3px 3px 0; }
.stages li::after {
  content: ""; position: absolute; right: -7px; top: 50%; width: 12px; height: 12px;
  transform: translateY(-50%) rotate(45deg); background: inherit;
  border-top: 1px solid var(--border); border-right: 1px solid var(--border); z-index: 1;
}
.stages li:last-child::after { display: none; }
.stages li.done { background: var(--success-soft); color: var(--success); border-color: rgba(25,135,84,.35); font-weight: 500; }
.stages li.done::after { border-color: rgba(25,135,84,.35); }
.stages li.now { background: var(--primary-dark); color: var(--surface); border-color: var(--primary-dark); font-weight: 500; }
.stages li.now::after { border-color: var(--primary-dark); }

/* ===================================================================== bars */
.bar { height: 7px; background: var(--surface2); border-radius: 4px; overflow: hidden; display: flex; }
.bar span { display: block; height: 100%; }
.bar__ok   { background: var(--success); }
.bar__wait { background: var(--accent); }
.bar__no   { background: var(--primary); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11.5px; color: var(--text-muted); margin-top: 9px; }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; }

/* ==================================================================== forms */
.field { margin-bottom: 15px; }
.field > label, .field__label {
  display: block; font: 600 10.5px/1.3 var(--sans); letter-spacing: .09em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 5px;
}
.field .hint { font-size: 11.5px; color: var(--text-light); margin-top: 4px; }
input[type=text], input[type=password], input[type=email], input[type=date],
input[type=number], input[type=file], select, textarea {
  width: 100%; padding: 8px 10px; font: 14px/1.4 var(--sans); color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 2px;
}
input.mono, .mono input { font-family: var(--mono); letter-spacing: .04em; }
textarea { min-height: 76px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary-dark); }
input[readonly], input:disabled, select:disabled { background: var(--surface2); color: var(--text-muted); }
fieldset { border: 0; padding: 0; margin: 0 0 8px; }
legend {
  font: 600 10px/1 var(--sans); letter-spacing: .13em; text-transform: uppercase;
  color: var(--text-muted); padding: 0 0 10px; border-bottom: 0;
}
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 18px; }
.form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: 1 / -1; }
.rule-break { grid-column: 1 / -1; border-top: 1px solid var(--border); margin: 6px 0 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  padding: 8px 14px; border: 1px solid var(--primary-dark); border-radius: 2px;
  background: var(--primary-dark); color: var(--surface); font: 500 13px/1.2 var(--sans); text-decoration: none;
}
.btn:hover { background: var(--primary); border-color: var(--primary); }
.btn--ghost { background: var(--surface); color: var(--primary-dark); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--surface3); border-color: var(--primary-light); }
.btn--ok { background: var(--success); border-color: var(--success); }
.btn--ok:hover { background: var(--success-dark); border-color: var(--success-dark); }
.btn--no { background: var(--surface); color: var(--primary); border-color: rgba(239,59,51,.45); }
.btn--no:hover { background: var(--primary-soft); }
.btn--sm { padding: 5px 10px; font-size: 12px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; }

/* filter strip above every register */
.filters {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  padding: 13px 18px; border-bottom: 1px solid var(--border); background: var(--surface3);
}
.filters .field { margin: 0; min-width: 132px; }
.filters .field--wide { flex: 1 1 190px; }

/* ==================================================================== notes */
.note {
  border: 1px solid var(--border-strong); border-left: 3px solid var(--primary-dark);
  background: var(--surface); padding: 11px 14px; border-radius: 2px; font-size: 13px;
}
.note--ok   { border-left-color: var(--success); background: var(--success-soft); }
.note--no   { border-left-color: var(--primary); background: var(--primary-soft); }
.note--warn { border-left-color: var(--accent);  background: var(--accent-soft); }
.note + .note { margin-top: 10px; }
.notes { margin-bottom: 18px; }

.empty { padding: 40px 20px; text-align: center; color: var(--text-muted); }
.empty h3 { margin-bottom: 6px; }
.empty p { margin: 0 0 14px; font-size: 13.5px; }

/* =============================================================== definition */
.dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 22px; }
.dl > div { padding: 9px 0; border-bottom: 1px solid var(--border); }
.dl dt { font: 600 10px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.dl dd { margin: 4px 0 0; font-size: 13.5px; }

/* ================================================================= timeline */
.trail { list-style: none; margin: 0; padding: 0; }
.trail li { position: relative; padding: 0 0 16px 22px; border-left: 1px solid var(--border); }
.trail li:last-child { border-left-color: transparent; padding-bottom: 0; }
.trail li::before {
  content: ""; position: absolute; left: -5px; top: 5px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--surface); border: 2px solid var(--border-strong);
}
.trail li.is-approve::before { border-color: var(--success); background: var(--success); }
.trail li.is-reject::before  { border-color: var(--primary); background: var(--primary); }
.trail__when { font: 11px/1 var(--mono); color: var(--text-light); }
.trail__what { font-size: 13.5px; margin-top: 3px; }
.trail__who  { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.trail__note { font-size: 12.5px; margin-top: 5px; padding: 7px 10px; background: var(--surface2); border-radius: 2px; }

/* =================================================================== pager */
.pager { display: flex; gap: 4px; padding: 12px 18px; align-items: center; }
.pager a, .pager__now {
  min-width: 30px; text-align: center; padding: 5px 7px; border-radius: 2px;
  font: 500 12.5px/1.2 var(--mono); text-decoration: none; border: 1px solid var(--border);
}
.pager a { color: var(--text-muted); background: var(--surface); }
.pager a:hover { border-color: var(--primary); color: var(--primary-dark); }
.pager__now { background: var(--primary-dark); color: var(--surface); border-color: var(--primary-dark); }
.pager__gap { color: var(--text-light); padding: 0 3px; }

/* ==================================================================== login */
.gate { min-height: 100vh; display: grid; grid-template-columns: 1.05fr 1fr; }
.gate__aside {
  background: var(--primary-dark); color: var(--nav-text); padding: 44px 40px;
  display: flex; flex-direction: column; justify-content: space-between;
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(255,255,255,.045) 31px 32px);
}
.gate__aside h1 { color: var(--surface); font-size: 2.1rem; line-height: 1.12; margin: 26px 0 12px; }
.gate__aside p { max-width: 44ch; font-size: 14px; color: var(--nav-text-dim); }
.gate__list { list-style: none; margin: 26px 0 0; padding: 0; font-size: 13px; }
.gate__list li { padding: 9px 0; border-top: 1px solid var(--nav-border); display: flex; gap: 12px; }
.gate__list b { color: var(--surface); font-weight: 500; min-width: 168px; }
.gate__form { display: flex; align-items: center; justify-content: center; padding: 40px 34px; }
.gate__form form { width: 100%; max-width: 330px; }
.gate__seal { font: 600 10px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--nav-text-faint); }
.gate__brand { display: flex; align-items: center; gap: 14px; }
.gate__logo {
  width: 46px; height: 46px; padding: 6px; border-radius: 10px;
  background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.25);
  object-fit: contain; flex: none;
}

/* ==================================================================== print */
@media print {
  .rail, .topline__actions, .filters, .btn, .pager, .no-print { display: none !important; }
  body { background: var(--surface); font-size: 11.5px; }
  .shell { display: block; }
  .main { padding: 0; }
  .sheet { border: 0; box-shadow: none; }
  .sheet__head { padding-left: 0; padding-right: 0; }
  .sheet__body { padding: 8px 0; }
  table.ledger { font-size: 10.5px; }
  table.ledger th { background: var(--surface); }
  .print-head { display: block !important; margin-bottom: 14px; border-bottom: 2px solid var(--primary-dark); padding-bottom: 10px; }
  .stamp { transform: none !important; }
  a { text-decoration: none; }
}
.print-head { display: none; }
.print-head h1 { font-size: 1.3rem; }
.print-head .eyebrow { margin-bottom: 4px; }

/* =============================================================== responsive */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--split, .grid--3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gate { grid-template-columns: 1fr; }
  .gate__aside { display: none; }
}
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .rail {
    position: static; height: auto; flex-direction: column; gap: 14px;
    padding-bottom: 18px;
  }
  .rail__group { display: flex; flex-wrap: wrap; gap: 4px; }
  .rail__title { width: 100%; padding-bottom: 2px; }
  .rail__foot { margin-top: 4px; }
  .main { padding: 20px 16px 48px; }
  .grid--4, .grid--2, .form-grid, .form-grid--2, .dl { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: auto; }
  h1 { font-size: 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .stamp--ok { transform: none; }
}

/* ------------------------------------------------ numbered explanatory steps */
ol.steps { margin: 0; padding-left: 0; list-style: none; counter-reset: step; }
ol.steps li {
  position: relative; padding: 0 0 12px 30px; font-size: 13px; color: var(--text-muted);
  counter-increment: step;
}
ol.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--accent);
  font: 600 11px/19px var(--mono); text-align: center; color: var(--primary-dark);
  background: var(--accent-light);
}
ol.steps li strong { color: var(--text); font-weight: 500; }
ol.steps li:last-child { padding-bottom: 0; }