/* ==========================================================================
   SFS Portal — design system
   Brand base #2C6559 (deep academic teal-green) with a warm ochre accent.
   Deliberately not the default Tailwind palette.
   ========================================================================== */

:root {
  /* brand ------------------------------------------------------------------ */
  --brand-50:  #f1f7f5;
  --brand-100: #dcebe7;
  --brand-200: #b9d7d0;
  --brand-300: #8dbcb1;
  --brand-400: #5e9b8d;
  --brand-500: #3d7e6f;
  --brand-600: #2c6559;
  --brand-700: #245247;
  --brand-800: #1d4139;
  --brand-900: #16302b;
  --brand-950: #0d1e1b;

  /* accent ----------------------------------------------------------------- */
  --accent-100: #f8ebd2;
  --accent-200: #f0d6a3;
  --accent-300: #e5bb6e;
  --accent-400: #d9a149;
  --accent-500: #c4842f;
  --accent-600: #a66825;
  --accent-700: #85501f;

  --danger-50:  #fdf2f3;
  --danger-100: #fae0e3;
  --danger-500: #9b2c3a;
  --danger-600: #83222f;

  --ink:        #14201d;
  --ink-muted:  #5b6b66;
  --ink-faint:  #8a9a95;
  --hairline:   #dfe8e5;

  /* three-tier surface layering ------------------------------------------- */
  --surface-base:     #f6faf8;
  --surface-elevated: #ffffff;
  --surface-sunken:   #eef4f2;

  /* colour-tinted, layered shadows ---------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(22, 48, 43, 0.05), 0 1px 1px rgba(22, 48, 43, 0.04);
  --shadow-md:
    0 1px 2px rgba(22, 48, 43, 0.04),
    0 4px 8px -2px rgba(22, 48, 43, 0.06),
    0 10px 20px -8px rgba(22, 48, 43, 0.08);
  --shadow-lg:
    0 1px 2px rgba(22, 48, 43, 0.04),
    0 8px 16px -4px rgba(22, 48, 43, 0.07),
    0 24px 44px -12px rgba(22, 48, 43, 0.14);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.7);

  --ring: 0 0 0 3px rgba(61, 126, 111, 0.28);

  /* spacing tokens — intentional scale, used instead of ad-hoc steps ------ */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --ease-spring: cubic-bezier(0.34, 1.26, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --------------------------------------------------------------- base ----- */

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Montserrat, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--surface-base);
  /* layered radial gradients + grain for depth */
  background-image:
    radial-gradient(ellipse 80% 50% at 12% -10%, rgba(93, 155, 141, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 45% at 95% 0%, rgba(217, 161, 73, 0.13), transparent 60%),
    radial-gradient(ellipse 90% 60% at 50% 110%, rgba(44, 101, 89, 0.08), transparent 65%);
  background-attachment: fixed;
}

/* SVG noise overlay — adds texture without affecting layout or hit-testing */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

/* Headings and body share Montserrat, so hierarchy is carried by weight and
   tracking rather than by a second typeface. */
h1, h2, h3, h4, .display {
  font-family: Montserrat, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  color: var(--brand-900);
  line-height: 1.2;
  margin: 0;
}

h1 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.1rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.2rem, 1.05rem + 0.65vw, 1.5rem); letter-spacing: -0.022em; }
h3 { font-size: 1.05rem; letter-spacing: -0.015em; }

a { color: var(--brand-600); text-decoration-color: var(--brand-200); text-underline-offset: 3px; }
a:hover { color: var(--brand-700); text-decoration-color: var(--brand-400); }
a:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-sm); }

.muted { color: var(--ink-muted); }
.faint { color: var(--ink-faint); }
.tnum { font-variant-numeric: tabular-nums; }

.shell { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-4); }
.shell-wide { max-width: 1480px; }

main { flex: 1 0 auto; padding: var(--space-8) 0 var(--space-16); }

/* ------------------------------------------------------------- masthead --- */

.masthead {
  background: linear-gradient(168deg, var(--brand-800), var(--brand-700) 48%, var(--brand-600));
  color: #eaf3f0;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.masthead::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 160% at 82% 0%, rgba(217, 161, 73, 0.3), transparent 70%);
  pointer-events: none;
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-4) 0;
}

.brandmark { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }

/* The school crest sits on a light disc so its red and blue read clearly
   against the dark green masthead. */
.brandmark .crest {
  width: 46px; height: 46px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #fff;
  padding: 3px;
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.brandmark .crest img { width: 100%; height: 100%; object-fit: contain; display: block; }

.brandmark .wordmark { font-family: Montserrat, sans-serif; font-size: 1.05rem; font-weight: 700; color: #fff; letter-spacing: -0.02em; line-height: 1.2; }
.brandmark .sub { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-200); }

.nav { display: flex; align-items: center; gap: var(--space-1); flex-wrap: wrap; }

.nav a {
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand-100);
  text-decoration: none;
  transition: background-color 160ms var(--ease-out), transform 160ms var(--ease-out), color 160ms var(--ease-out);
}

.nav a:hover { background: rgba(255, 255, 255, 0.12); color: #fff; transform: translateY(-1px); }
.nav a:active { transform: translateY(0); }
.nav a:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(240, 214, 163, 0.55); }
.nav a.is-active { background: rgba(255, 255, 255, 0.17); color: #fff; }

.whoami { display: flex; align-items: center; gap: var(--space-3); font-size: 0.85rem; color: var(--brand-100); }

/* ----------------------------------------------------------------- page --- */

.pagehead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--brand-500);
  margin-bottom: var(--space-1);
}

.lede { color: var(--ink-muted); max-width: 62ch; margin-top: var(--space-2); }

/* ---------------------------------------------------------------- cards --- */

.card {
  background: var(--surface-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}

.card-flush { padding: 0; overflow: hidden; }
.card-floating { box-shadow: var(--shadow-lg); border-color: rgba(185, 215, 208, 0.7); }

.card-head {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--brand-50), rgba(241, 247, 245, 0));
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}

.card-body { padding: var(--space-6); }
.card-foot { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--hairline); background: var(--surface-sunken); }

.grid { display: grid; gap: var(--space-4); }
/* Cards size to their content instead of stretching to the tallest in the row.
   Not the default: tiles rely on equal heights to bottom-align their footer. */
.grid-top { align-items: start; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

/* -------------------------------------------------------- action tiles ---- */

.tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--surface-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform 220ms var(--ease-spring), box-shadow 220ms var(--ease-out);
}

.tile::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(ellipse 70% 90% at 85% 0%, rgba(44, 101, 89, 0.1), transparent 70%);
  transition: opacity 220ms var(--ease-out);
  pointer-events: none;
}

.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tile:hover::after { opacity: 1; }
.tile:active { transform: translateY(-1px); }
.tile:focus-visible { outline: none; box-shadow: var(--shadow-lg), var(--ring); }

.tile-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: linear-gradient(150deg, var(--brand-100), var(--brand-200));
  color: var(--brand-700);
  box-shadow: var(--shadow-inset);
}

.tile-icon svg { width: 22px; height: 22px; }
.tile.is-accent .tile-icon { background: linear-gradient(150deg, var(--accent-100), var(--accent-200)); color: var(--accent-700); }
.tile h3 { font-size: 1.08rem; }
.tile p { margin: 0; color: var(--ink-muted); font-size: 0.9rem; line-height: 1.6; }

.tile-meta { margin-top: auto; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brand-500); display: flex; align-items: center; gap: 6px; }
.tile:hover .tile-meta { color: var(--brand-700); }

/* ----------------------------------------------------------------- stat --- */

.stat { background: var(--surface-elevated); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: var(--space-4); box-shadow: var(--shadow-sm); }
.stat .n { font-family: Montserrat, sans-serif; font-size: 1.75rem; font-weight: 700; letter-spacing: -0.03em; color: var(--brand-800); font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat .k { font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); font-weight: 600; }

/* --------------------------------------------------------------- forms ---- */

.field { display: block; margin-bottom: var(--space-4); }
/* Fields wrap their caption in a <span> inside a <label class="field">. */
.field > label, .field > span:first-child, .label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-800);
  margin-bottom: var(--space-2);
}

/* …but a hint is also a span, and must not be styled as a caption. */
.field > span.hint { font-size: 0.78rem; font-weight: 400; letter-spacing: 0; color: var(--ink-muted); margin-bottom: 0; }
.hint { font-size: 0.78rem; color: var(--ink-muted); margin-top: var(--space-1); }

input[type='text'], input[type='password'], input[type='number'], input[type='date'],
input[type='email'], input[type='search'], input[type='file'], select, textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font: inherit;
  font-size: 0.925rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid #cdd9d5;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 2px rgba(22, 48, 43, 0.05);
  transition: border-color 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}

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 d='M1 1.5 6 6.5l5-5' fill='none' stroke='%235b6b66' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  padding-right: 2rem;
}

input:hover, select:hover, textarea:hover { border-color: var(--brand-300); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: var(--ring), inset 0 1px 2px rgba(22, 48, 43, 0.04);
}

input:disabled, select:disabled, textarea:disabled { background: var(--surface-sunken); color: var(--ink-faint); cursor: not-allowed; }
input[readonly] { background: var(--surface-sunken); }

/* Top-aligned so that a field carrying a hint does not push its own control
   out of line with the rest of the row. */
.inline-form { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: flex-start; }
.inline-form .field { margin-bottom: 0; min-width: 160px; flex: 1 1 160px; }
.inline-form .field.narrow { flex: 0 1 120px; min-width: 110px; }
/* Clears the caption line so buttons sit level with the inputs beside them. */
.inline-form > .btn-row, .inline-form > button { margin-top: 1.85rem; }

/* -------------------------------------------------------------- buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1.05rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 180ms var(--ease-spring), box-shadow 180ms var(--ease-out),
              background-color 150ms var(--ease-out), border-color 150ms var(--ease-out),
              color 150ms var(--ease-out);
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: linear-gradient(170deg, var(--brand-600), var(--brand-700));
  color: #fff;
  box-shadow: var(--shadow-sm), var(--shadow-inset);
}
.btn-primary:hover { background: linear-gradient(170deg, var(--brand-500), var(--brand-600)); transform: translateY(-1px); box-shadow: var(--shadow-md); color: #fff; }
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-accent {
  background: linear-gradient(170deg, var(--accent-400), var(--accent-600));
  color: #2b1d08;
  box-shadow: var(--shadow-sm), var(--shadow-inset);
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); color: #2b1d08; }
.btn-accent:active { transform: translateY(0); }

.btn-ghost { background: #fff; color: var(--brand-700); border-color: #cdd9d5; box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--brand-400); background: var(--brand-50); color: var(--brand-800); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }

.btn-quiet { background: transparent; color: var(--ink-muted); padding: 0.35rem 0.6rem; }
.btn-quiet:hover { background: var(--brand-50); color: var(--brand-700); }

.btn-danger { background: #fff; color: var(--danger-500); border-color: #e9c3c8; box-shadow: var(--shadow-sm); }
.btn-danger:hover { background: var(--danger-500); color: #fff; border-color: var(--danger-500); transform: translateY(-1px); }
.btn-danger:active { transform: translateY(0); }

.btn-sm { padding: 0.32rem 0.7rem; font-size: 0.8rem; }
.btn:focus-visible { outline: none; box-shadow: var(--ring), var(--shadow-md); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; }

/* --------------------------------------------------------------- tables --- */

.table-wrap { overflow-x: auto; border-radius: var(--radius-md); }

table.data { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.9rem; }

table.data th {
  text-align: left;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brand-700);
  background: var(--brand-50);
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

table.data td { padding: 0.5rem 0.75rem; border-bottom: 1px solid #edf3f1; vertical-align: middle; }
table.data tbody tr { transition: background-color 120ms var(--ease-out); }
table.data tbody tr:hover { background: var(--brand-50); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td.mid, table.data th.mid { text-align: center; }
table.data tfoot td { padding: 0.55rem 0.75rem; font-weight: 700; background: var(--surface-sunken); border-top: 1px solid var(--hairline); }
table.data .row-name { font-weight: 500; }

/* mark-entry grid */
.entry-input { width: 5.5rem; text-align: center; font-variant-numeric: tabular-nums; padding: 0.4rem 0.5rem; }
.entry-input.is-bad { border-color: var(--danger-500); box-shadow: 0 0 0 3px rgba(155, 44, 58, 0.18); }

/* -------------------------------------------------------------- badges ---- */

.badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.12rem 0.5rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  border-radius: 999px;
  text-transform: uppercase;
}

.badge-brand   { background: var(--brand-100);  color: var(--brand-700); }
.badge-accent  { background: var(--accent-100); color: var(--accent-700); }
.badge-danger  { background: var(--danger-100); color: var(--danger-600); }
.badge-neutral { background: var(--surface-sunken); color: var(--ink-muted); }

/* --------------------------------------------------------------- notices -- */

.notice {
  display: flex; gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-4);
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.notice svg { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.notice-success { background: var(--brand-50);   border-color: var(--brand-200);  color: var(--brand-800); }
.notice-error   { background: var(--danger-50);  border-color: #edc9ce;           color: var(--danger-600); }
.notice-info    { background: #f1f6fa;           border-color: #cfe0ec;           color: #28536b; }
.notice-warn    { background: #fdf6e8;           border-color: var(--accent-200); color: var(--accent-700); }
.notice strong { font-weight: 700; }

.empty { padding: var(--space-12) var(--space-6); text-align: center; color: var(--ink-muted); }
.empty h3 { color: var(--brand-800); margin-bottom: var(--space-2); }

/* ------------------------------------------------------------- stepper ---- */

.steps { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-6); font-size: 0.82rem; }
.step { display: flex; align-items: center; gap: 0.45rem; color: var(--ink-faint); font-weight: 600; }
.step .dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 0.72rem; background: var(--surface-sunken); color: var(--ink-muted); border: 1px solid var(--hairline); }
.step.is-done .dot { background: var(--brand-600); color: #fff; border-color: var(--brand-600); }
.step.is-done { color: var(--brand-700); }
.step.is-current .dot { background: var(--accent-400); color: #2b1d08; border-color: var(--accent-500); }
.step.is-current { color: var(--brand-900); }
.steps .sep { width: 18px; height: 1px; background: var(--hairline); }

/* ---------------------------------------------------------------- footer -- */

.footer {
  flex: none;
  margin-top: auto;
  background: var(--brand-900);
  color: var(--brand-200);
  padding: var(--space-6) 0;
  font-size: 0.85rem;
}

.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.footer a { color: var(--accent-300); font-weight: 600; text-decoration-color: rgba(229, 187, 110, 0.4); }
.footer a:hover { color: var(--accent-200); text-decoration-color: var(--accent-200); }
.footer a:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(229, 187, 110, 0.5); border-radius: 4px; }

/* ----------------------------------------------------------- utilities ---- */

.row { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: var(--space-3); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.stack > * + * { margin-top: var(--space-4); }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.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; }
.nowrap { white-space: nowrap; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.78rem; }

/* auth screens */
.auth-wrap { min-height: calc(100vh - 230px); display: grid; place-items: center; padding: var(--space-8) 0; }
.auth-card { width: 100%; max-width: 430px; }
.auth-crest { width: 96px; height: 96px; object-fit: contain; display: block; margin: 0 auto; }

/* Keep sign-in messages the same width as the card they belong to, rather
   than stretching across the page. */
.auth-page main > .shell > .notice { max-width: 430px; margin-left: auto; margin-right: auto; }
.auth-page .auth-wrap { min-height: calc(100vh - 300px); padding-top: var(--space-4); }

.tabs { display: flex; gap: var(--space-1); padding: var(--space-1); background: var(--surface-sunken); border-radius: var(--radius-md); margin-bottom: var(--space-6); }
.tabs button {
  flex: 1; padding: 0.5rem 0.75rem; font: inherit; font-size: 0.875rem; font-weight: 600;
  border: 1px solid transparent; border-radius: var(--radius-sm); background: transparent; color: var(--ink-muted); cursor: pointer;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.tabs button:hover { color: var(--brand-700); }
.tabs button:active { transform: scale(0.985); }
.tabs button:focus-visible { outline: none; box-shadow: var(--ring); }
.tabs button[aria-selected='true'] { background: #fff; color: var(--brand-800); border-color: var(--hairline); box-shadow: var(--shadow-sm); }

@media print {
  .masthead, .footer, .btn, .no-print { display: none !important; }
  body { background: #fff; }
  body::before { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}