/* =====================================================================
   UGMS Smart Attendance & Classroom Assessment System
   Design system — "Institutional Ledger"

   Palette derives from the UG crest: deep navy field, gold rule.
   Type: Bricolage Grotesque (display) / Hanken Grotesk (body) / DM Mono (data)
   Signature element: the verification stamp chain (.ledger)
   ===================================================================== */

:root {
  /* Core palette */
  --navy:        #0B2545;
  --navy-deep:   #071A33;
  --navy-soft:   #16375F;
  --navy-mist:   #E8EDF4;
  --gold:        #C8A44B;
  --gold-soft:   #F3E9CE;

  /* Neutrals */
  --paper:       #F2F4F7;
  --surface:     #FFFFFF;
  --line:        #DDE3EC;
  --line-soft:   #EDF0F5;
  --ink:         #16202F;
  --ink-mid:     #47546B;
  --ink-light:   #7C889C;

  /* Signals */
  --pass:        #16795E;
  --pass-bg:     #E4F2ED;
  --warn:        #A8690B;
  --warn-bg:     #FBF0DC;
  --fail:        #A82117;
  --fail-bg:     #FBE9E7;
  --info:        #1D5FA8;
  --info-bg:     #E5EFF9;

  /* Structure */
  --radius:      6px;
  --radius-sm:   4px;
  --radius-lg:   10px;
  --shadow:      0 1px 2px rgba(11,37,69,.06), 0 4px 16px rgba(11,37,69,.06);
  --shadow-lg:   0 8px 40px rgba(11,37,69,.14);
  --sidebar-w:   246px;

  /* Type */
  --display: 'Bricolage Grotesque', 'Hanken Grotesk', system-ui, sans-serif;
  --body:    'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono:    'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

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

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

body {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 .5rem;
  line-height: 1.2;
}
h1 { font-size: 1.6rem; }
h2 { font-size: 1.22rem; }
h3 { font-size: 1.02rem; }
h4 { font-size: .92rem; }

p { margin: 0 0 1rem; }
a { color: var(--navy-soft); text-decoration: none; }
a:hover { text-decoration: underline; }

/* The eyebrow: a gold-ruled label that classifies the block beneath it. */
.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin: 0 0 .35rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: .5;
}

.mono { font-family: var(--mono); font-size: .86em; letter-spacing: -.01em; }
.muted { color: var(--ink-light); }
.small { font-size: .82rem; }
.strong { font-weight: 600; }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; }
.text-center { text-align: center; }

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

/* =====================================================================
   LAYOUT SHELL
   ===================================================================== */

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--navy);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  transition: transform .22s ease;
}

.sidebar-brand {
  padding: 18px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-brand img { display: block; height: 30px; width: auto; filter: brightness(0) invert(1); }
.sidebar-brand .brand-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 9px;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 10px 20px; }
.nav-group { margin-bottom: 16px; }
.nav-group-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.42);
  padding: 6px 10px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.8);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 1px;
  border-left: 2px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; text-decoration: none; }
.nav-item.active {
  background: rgba(200,164,75,.14);
  color: #fff;
  border-left-color: var(--gold);
}
.nav-item svg { width: 16px; height: 16px; flex: 0 0 16px; opacity: .85; }
.nav-item .badge-count {
  margin-left: auto;
  background: var(--gold);
  color: var(--navy-deep);
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 20px;
}

.sidebar-foot {
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255,255,255,.42);
  letter-spacing: .05em;
}

.main {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 58px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar h1 { font-size: 1.02rem; margin: 0; }
.topbar .page-context { font-family: var(--mono); font-size: 10.5px; color: var(--ink-light); letter-spacing: .1em; text-transform: uppercase; }
.topbar-spacer { flex: 1; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  color: var(--navy);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 10px 5px 5px;
  border: 1px solid var(--line);
  border-radius: 40px;
  background: var(--surface);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
}
.user-chip:hover { border-color: var(--navy-soft); }
.avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .02em;
  flex: 0 0 28px;
}
.avatar.gold { background: var(--gold); color: var(--navy-deep); }

.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  right: 0; top: calc(100% + 8px);
  min-width: 208px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  z-index: 70;
}
.dropdown-menu.open { display: block; }
.dropdown-menu a, .dropdown-menu button {
  display: block; width: 100%; text-align: left;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--ink);
  background: none; border: 0; cursor: pointer;
  font-family: inherit;
}
.dropdown-menu a:hover, .dropdown-menu button:hover { background: var(--navy-mist); text-decoration: none; }
.dropdown-head { padding: 8px 10px; border-bottom: 1px solid var(--line-soft); margin-bottom: 4px; }
.dropdown-head .name { font-weight: 600; font-size: 13.5px; }
.dropdown-head .meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-light); }

.content { padding: 22px; flex: 1; max-width: 1360px; width: 100%; }

.page-head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-head .page-title h1 { margin-bottom: 2px; }
.page-head .page-title p { margin: 0; color: var(--ink-mid); font-size: 13.5px; }
.page-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* =====================================================================
   CARDS & PANELS
   ===================================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  gap: 12px;
}
.card-head h2, .card-head h3 { margin: 0; }
.card-head .card-actions { margin-left: auto; display: flex; gap: 8px; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }
.card-foot {
  padding: 11px 16px;
  border-top: 1px solid var(--line-soft);
  background: #FAFBFC;
  border-radius: 0 0 var(--radius) var(--radius);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-sidebar { grid-template-columns: minmax(0, 1fr) 320px; }

/* Statistic tile — the number leads, the label is a mono caption. */
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
}
.stat.pass::before { background: var(--pass); }
.stat.fail::before { background: var(--fail); }
.stat.info::before { background: var(--info); }
.stat .stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-light);
}
.stat .stat-value {
  font-family: var(--display);
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--navy);
  line-height: 1.1;
  margin-top: 3px;
}
.stat .stat-meta { font-size: 12.5px; color: var(--ink-mid); margin-top: 2px; }

/* =====================================================================
   SIGNATURE: THE VERIFICATION STAMP CHAIN
   Each attendance submission passes a fixed sequence of checks. The chain
   shows exactly which stage passed, failed, or was skipped.
   ===================================================================== */

.ledger {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.ledger-stage {
  flex: 1 1 0;
  min-width: 92px;
  padding: 10px 10px 11px;
  border-right: 1px solid var(--line-soft);
  position: relative;
  text-align: center;
}
.ledger-stage:last-child { border-right: 0; }
.ledger-stage .stage-name {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--ink-light);
  display: block;
  margin-bottom: 5px;
}
.ledger-stage .stage-mark {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  border: 1.5px solid currentColor;
}
.ledger-stage.pass { background: linear-gradient(180deg, var(--pass-bg), transparent 70%); }
.ledger-stage.pass .stage-mark { color: var(--pass); }
.ledger-stage.fail { background: linear-gradient(180deg, var(--fail-bg), transparent 70%); }
.ledger-stage.fail .stage-mark { color: var(--fail); }
.ledger-stage.skip .stage-mark { color: var(--ink-light); border-style: dashed; }
.ledger-stage.pending .stage-mark { color: var(--line); }

.ledger-verdict {
  flex: 0 0 100%;
  border-top: 1px solid var(--line);
  padding: 9px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ledger-verdict.verified { background: var(--pass-bg); color: var(--pass); }
.ledger-verdict.rejected { background: var(--fail-bg); color: var(--fail); }

/* =====================================================================
   FORMS
   ===================================================================== */

.form-grid { display: grid; gap: 14px; }
.form-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field.span-2 { grid-column: span 2; }
.field.span-full { grid-column: 1 / -1; }

.field label, .field > .label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-mid);
  margin-bottom: 5px;
}
.field .hint { font-size: 12px; color: var(--ink-light); margin-top: 4px; }
.field .error-text { font-size: 12px; color: var(--fail); margin-top: 4px; }
.required { color: var(--fail); }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=time], input[type=datetime-local], input[type=search],
input[type=tel], input[type=url], select, textarea {
  width: 100%;
  padding: 9px 11px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .14s, box-shadow .14s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--navy-soft);
  box-shadow: 0 0 0 3px rgba(22,55,95,.1);
}
input:disabled, select:disabled, textarea:disabled { background: var(--paper); color: var(--ink-light); }
input.mono-input { font-family: var(--mono); letter-spacing: .04em; }
textarea { resize: vertical; min-height: 88px; }
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2347546B' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 30px;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.check:hover { border-color: var(--navy-soft); }
.check input { margin: 2px 0 0; flex: 0 0 auto; accent-color: var(--navy); }
.check .check-label { font-size: 13.5px; font-weight: 500; }
.check .check-hint { font-size: 12px; color: var(--ink-light); }

/* Toggle switch */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  width: 38px; height: 21px;
  background: var(--line);
  border-radius: 20px;
  position: relative;
  transition: background .16s;
  flex: 0 0 38px;
}
.switch .track::after {
  content: '';
  position: absolute;
  top: 2.5px; left: 2.5px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform .16s;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.switch input:checked + .track { background: var(--pass); }
.switch input:checked + .track::after { transform: translateX(17px); }
.switch input:focus-visible + .track { outline: 2px solid var(--gold); outline-offset: 2px; }

fieldset { border: 0; padding: 0; margin: 0 0 20px; }
fieldset legend { padding: 0; margin-bottom: 12px; width: 100%; }

/* =====================================================================
   BUTTONS
   ===================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 15px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .14s, border-color .14s, color .14s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn svg { width: 15px; height: 15px; }
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; }

.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--navy-deep); }
.btn-gold { background: var(--gold); color: var(--navy-deep); }
.btn-gold:hover:not(:disabled) { background: #B8943C; }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover:not(:disabled) { border-color: var(--navy-soft); background: #FAFBFC; }
.btn-danger { background: var(--fail); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #8E1B12; }
.btn-quiet { background: transparent; color: var(--ink-mid); padding: 6px 9px; }
.btn-quiet:hover:not(:disabled) { background: var(--navy-mist); color: var(--navy); }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-lg { padding: 12px 22px; font-size: 15px; }
.btn-block { width: 100%; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* =====================================================================
   TABLES
   ===================================================================== */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
table.data th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--ink-light);
  font-weight: 400;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background: #FAFBFC;
  white-space: nowrap;
}
table.data td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #FAFBFC; }
table.data td .primary-cell { font-weight: 600; color: var(--navy); }
table.data td .sub-cell { font-size: 12px; color: var(--ink-light); }
table.data td.num { font-family: var(--mono); text-align: right; }

.empty {
  padding: 44px 20px;
  text-align: center;
  color: var(--ink-mid);
}
.empty .empty-mark {
  width: 42px; height: 42px;
  margin: 0 auto 12px;
  border: 1.5px dashed var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink-light);
}
.empty h3 { margin-bottom: 4px; }
.empty p { font-size: 13.5px; margin-bottom: 14px; }

/* =====================================================================
   BADGES & STATUS
   ===================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .07em;
  text-transform: uppercase;
  background: var(--navy-mist);
  color: var(--navy-soft);
  white-space: nowrap;
}
.badge.pass  { background: var(--pass-bg); color: var(--pass); }
.badge.fail  { background: var(--fail-bg); color: var(--fail); }
.badge.warn  { background: var(--warn-bg); color: var(--warn); }
.badge.info  { background: var(--info-bg); color: var(--info); }
.badge.gold  { background: var(--gold-soft); color: #8A6E20; }
.badge.plain { background: var(--paper); color: var(--ink-light); }
.badge .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

.badge.live { background: var(--pass-bg); color: var(--pass); }
.badge.live .dot { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* =====================================================================
   ALERTS
   ===================================================================== */

.alert {
  display: flex;
  gap: 11px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  font-size: 13.5px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.alert svg { width: 17px; height: 17px; flex: 0 0 17px; margin-top: 1px; }
.alert .alert-body { flex: 1; }
.alert strong { display: block; margin-bottom: 2px; }
.alert-success { background: var(--pass-bg); border-color: #B6DDD0; color: #0E5A45; }
.alert-error   { background: var(--fail-bg); border-color: #EDC3BE; color: #7E1A12; }
.alert-warn    { background: var(--warn-bg); border-color: #E8D2A4; color: #7C4D08; }
.alert-info    { background: var(--info-bg); border-color: #BFD8F0; color: #164A82; }

.flash-stack {
  position: fixed;
  top: 68px; right: 20px;
  z-index: 90;
  width: min(360px, calc(100vw - 32px));
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.flash-stack .alert { box-shadow: var(--shadow-lg); margin: 0; }

/* =====================================================================
   FILTER BAR
   ===================================================================== */

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.filters .field { min-width: 150px; flex: 1 1 150px; margin: 0; }
.filters .field label { font-size: 11px; }
.filters .filter-actions { display: flex; gap: 8px; }

.search-inline { position: relative; flex: 2 1 220px; }
.search-inline input { padding-left: 32px; }
.search-inline svg {
  position: absolute; left: 10px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  color: var(--ink-light);
  pointer-events: none;
}

/* =====================================================================
   PAGINATION
   ===================================================================== */

.pager { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 32px;
  height: 30px;
  padding: 0 9px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mid);
  background: var(--surface);
}
.pager a:hover { border-color: var(--navy-soft); text-decoration: none; }
.pager .current { background: var(--navy); border-color: var(--navy); color: #fff; }
.pager .gap { border: 0; background: none; }
.pager-meta { font-size: 12.5px; color: var(--ink-light); margin-right: auto; }

/* =====================================================================
   MODAL
   ===================================================================== */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(7,26,51,.55);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(560px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.modal-head { padding: 16px 18px 12px; border-bottom: 1px solid var(--line-soft); }
.modal-body { padding: 18px; }
.modal-foot { padding: 13px 18px; border-top: 1px solid var(--line-soft); display: flex; gap: 8px; justify-content: flex-end; }

/* =====================================================================
   AUTH PAGES
   ===================================================================== */

.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--paper);
}

/* Left panel: the navy field carrying the crest and a quiet statement. */
.auth-aside {
  background:
    radial-gradient(120% 90% at 15% 0%, var(--navy-soft) 0%, transparent 55%),
    var(--navy-deep);
  color: #fff;
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.auth-aside::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 70%);
}
.auth-aside img { height: 38px; width: auto; filter: brightness(0) invert(1); }
.auth-aside h2 {
  color: #fff;
  font-size: 1.85rem;
  max-width: 12ch;
  line-height: 1.15;
  margin: 0 0 12px;
}
.auth-aside p { color: rgba(255,255,255,.72); font-size: 14px; max-width: 40ch; margin: 0; }
.auth-aside .aside-chain {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.auth-aside .aside-chain span { display: flex; align-items: center; gap: 6px; }
.auth-aside .aside-chain span::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.auth-main {
  display: grid;
  place-items: center;
  padding: 32px 24px;
}
.auth-card { width: min(392px, 100%); }
.auth-card .auth-logo { display: none; }
.auth-card h1 { font-size: 1.5rem; margin-bottom: 4px; }
.auth-card .auth-sub { color: var(--ink-mid); font-size: 13.5px; margin-bottom: 22px; }
.auth-card form { display: grid; gap: 14px; }
.auth-foot { margin-top: 20px; font-size: 12.5px; color: var(--ink-light); text-align: center; }

.denied-page { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.denied-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  max-width: 420px;
  text-align: center;
  box-shadow: var(--shadow);
}
.denied-card .eyebrow { justify-content: center; }
.denied-card .eyebrow::after { display: none; }

/* =====================================================================
   MISC
   ===================================================================== */

.divider { height: 1px; background: var(--line-soft); margin: 18px 0; border: 0; }

.meter {
  height: 6px;
  background: var(--line-soft);
  border-radius: 20px;
  overflow: hidden;
}
.meter > span { display: block; height: 100%; background: var(--navy-soft); border-radius: 20px; }
.meter.pass > span { background: var(--pass); }
.meter.warn > span { background: var(--warn); }
.meter.fail > span { background: var(--fail); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 13.5px; }
.kv dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-light); align-self: center; }
.kv dd { margin: 0; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  position: relative;
  padding: 0 0 16px 20px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
}
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li::before {
  content: '';
  position: absolute;
  left: -4.5px; top: 5px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--gold);
}
.timeline .t-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-light); letter-spacing: .06em; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.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;
}

.scrim { position: fixed; inset: 0; background: rgba(7,26,51,.4); z-index: 50; display: none; }
.scrim.open { display: block; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-sidebar { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .auth-card .auth-logo { display: block; height: 34px; margin-bottom: 22px; }
}

@media (max-width: 820px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: inline-flex; }
  .content { padding: 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: minmax(0, 1fr); }
  .field.span-2 { grid-column: auto; }
  .page-actions { margin-left: 0; width: 100%; }
  .flash-stack { top: auto; bottom: 16px; right: 16px; left: 16px; width: auto; }
}

@media (max-width: 560px) {
  h1 { font-size: 1.36rem; }
  .stat .stat-value { font-size: 1.62rem; }
  .ledger-stage { min-width: 76px; flex-basis: 33.333%; }
}

@media print {
  .sidebar, .topbar, .page-actions, .filters, .pager, .flash-stack { display: none !important; }
  .main { margin-left: 0; }
  body { background: #fff; }
  .card { box-shadow: none; border-color: #ccc; break-inside: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}