/* ================================================================
   shared.css — Royal Holloway Module Selector
   Used by both the student-facing page and the admin interface.
   ================================================================ */

/* ── Custom properties ────────────────────────────────────────── */
:root {
  --rh-orange:       #eb641e;
  --rh-orange-dark:  #c9511a;
  --rh-dark:         #202a30;
  --rh-dark-2:       #2d3c45;
  --rh-steel:        #b4c4d0;
  --rh-steel-light:  #dce7ed;
  --rh-steel-pale:   #f0f5f8;

  --bg:              #f4f6f8;
  --surface:         #ffffff;
  --ink:             #202a30;
  --ink-mid:         #445560;
  --ink-light:       #6e8898;
  --border:          #c8d5dc;
  --border-light:    #e0eaee;

  /* Status – available (green) */
  --c-ok:            #1a7a4a;
  --c-ok-bg:         #e8f6ee;
  --c-ok-border:     #7fcaa0;
  --c-ok-dark:       #155e3a;

  /* Status – soft prereq (amber) */
  --c-soft:          #7a5800;
  --c-soft-bg:       #fef8e6;
  --c-soft-border:   #d4aa40;

  /* Status – hard blocked (red) */
  --c-hard:          #b02c18;
  --c-hard-bg:       #fdf0ec;
  --c-hard-border:   #e09080;

  /* Status – compulsory (steel) */
  --c-comp-bg:       var(--rh-steel-pale);

  /* Status – recommended (teal/blue — pre-ticked, student can change) */
  --c-recom:        var(--ink-mid);
  --c-recom-bg:     var(--c-comp-bg);
  --c-recom-border: var(--border);

  /* Status – excluded (grey) */
  --c-excl-bg:       #f2f2f2;
  --c-excl-text:     #888;

  --radius:    5px;
  --radius-lg: 9px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,.07);
  --shadow:    0 2px 12px rgba(0,0,0,.09);

  --font-head: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--rh-orange); }
a:hover { color: var(--rh-orange-dark); }
img { display: block; max-width: 100%; }

/* ── Top stripe ───────────────────────────────────────────────── */
.topbar { background: var(--rh-dark); height: 4px; position: sticky; top: 0; z-index: 201; }
.topbar::before {
  content: ''; display: block;
  height: 100%; width: 100%;
  background: var(--rh-orange);
}

/* ── Page header ──────────────────────────────────────────────── */
.page-header { background: var(--rh-dark); color: #fff; }
.header-inner {
  max-width: 980px; margin: 0 auto;
  padding: 22px 28px 0;
  display: flex; align-items: flex-start; gap: 24px;
}
.header-logo-mark {
  flex-shrink: 0; margin-top: 3px;
  display: flex;
}
.header-wordmark {
  font-size: .7rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.6);
  line-height: 1.4; margin-top: 5px;
}
.header-text { flex: 1; }
.header-eyebrow {
  font-size: .7rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--rh-steel); margin-bottom: 4px;
}
.header-title {
  font-family: var(--font-head);
  font-size: 1.65rem; font-weight: 300;
  line-height: 1.2; color: #fff;
}
.header-title strong { font-weight: 600; }
.header-nav {
  max-width: 980px; margin: 0 auto;
  padding: 0 28px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; gap: 0; margin-top: 16px;
}
.header-nav a {
  display: block; padding: 9px 16px;
  font-size: .78rem; font-weight: 600; letter-spacing: .04em;
  color: var(--rh-steel); text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.header-nav a:first-child { padding-left: 0; }
.header-nav a:hover, .header-nav a.active {
  color: #fff; border-bottom-color: var(--rh-orange);
}

/* ── Main content area ────────────────────────────────────────── */
.main-content {
  max-width: 980px; margin: 0 auto;
  padding: 30px 28px 80px;
}

/* ── Intro banner ─────────────────────────────────────────────── */
.intro-banner {
  background: var(--surface);
  border-left: 4px solid var(--rh-orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--rh-orange);
  padding: 16px 20px;
  font-size: .9rem; color: var(--ink-mid);
  margin-bottom: 24px; line-height: 1.65;
}
.intro-banner p + p { margin-top: 6px; }
.intro-banner strong { color: var(--ink); }

/* ── Panel (card with heading bar) ───────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 20px;
}
.panel-head {
  background: var(--rh-dark);
  color: #fff; padding: 11px 20px;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.panel-head .ph-right { margin-left: auto; }
.panel-body { padding: 20px; }
.panel-foot {
  background: var(--rh-steel-pale);
  border-top: 1px solid var(--border-light);
  padding: 14px 20px;
  display: flex; align-items: center; gap: 14px;
}

/* ── Form elements ────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 5px; }
.field label, .field-label {
  font-size: .72rem; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-light);
}
.field-hint { font-size: .82rem; color: var(--ink-light); margin-bottom: 8px; }
.field input[type="text"],
.field input[type="number"],
.field input[type="password"],
.field select,
.field textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit; font-size: .92rem; color: var(--ink);
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.field select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='7'%3E%3Cpath d='M1 1l4.5 4.5L10 1' stroke='%236e8898' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center;
  padding-right: 30px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--rh-orange);
  box-shadow: 0 0 0 3px rgba(235,100,30,.15);
}
.field textarea { resize: vertical; min-height: 80px; }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px 20px; }
.form-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px 20px; }
.col-span-2  { grid-column: span 2; }
.col-span-3  { grid-column: span 3; }
.col-span-all { grid-column: 1 / -1; }
@media (max-width: 640px) {
  .form-grid-2, .form-grid-3, .form-grid-4 { grid-template-columns: 1fr; }
  .col-span-2, .col-span-3, .col-span-all { grid-column: span 1; }
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  font: 600 .8rem var(--font-body); letter-spacing: .05em;
  text-transform: uppercase; text-decoration: none;
  padding: 8px 18px; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
  vertical-align: middle;
}
.btn:active { opacity: .85; }
.btn-primary   { background: var(--rh-orange); color: #fff; border-color: var(--rh-orange); }
.btn-primary:hover { background: var(--rh-orange-dark); border-color: var(--rh-orange-dark); color: #fff; }
.btn-dark      { background: var(--rh-dark); color: #fff; border-color: var(--rh-dark); }
.btn-dark:hover{ background: var(--rh-dark-2); border-color: var(--rh-dark-2); color: #fff; }
.btn-ghost     { background: transparent; border-color: var(--border); color: var(--ink-mid); }
.btn-ghost:hover{ border-color: var(--ink-mid); color: var(--ink); }
.btn-danger    { background: var(--c-hard); color: #fff; border-color: var(--c-hard); }
.btn-danger:hover{ background: #8f2010; color: #fff; }
.btn-sm  { padding: 5px 11px; font-size: .74rem; }
.btn-lg  { padding: 10px 24px; font-size: .85rem; }
.btn-icon { padding: 6px 8px; }

/* ── Chip/tag ─────────────────────────────────────────────────── */
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--rh-steel-pale); border: 1px solid var(--rh-steel);
  border-radius: 20px; padding: 3px 8px 3px 12px;
  font-size: .8rem; color: var(--ink);
}
.chip-remove {
  background: none; border: none; cursor: pointer;
  color: var(--ink-light); font-size: 1rem; line-height: 1; padding: 0;
  transition: color .15s;
}
.chip-remove:hover { color: var(--rh-orange); }

/* ── Legend bar ───────────────────────────────────────────────── */
.legend-bar {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font-size: .79rem; color: var(--ink-mid);
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.legend-item { display: flex; align-items: center; gap: 7px; }
.li-swatch {
  width: 26px; height: 16px; border-radius: 3px;
  border: 1px solid transparent; flex-shrink: 0;
}
.li-comp  { background: var(--c-comp-bg); border-color: var(--border); }
.li-avail { background: var(--c-ok-bg);   border-color: var(--c-ok-border); }
.li-soft  { background: var(--c-soft-bg); border-color: var(--c-soft-border); }
.li-hard  { background: var(--c-hard-bg); border-color: var(--c-hard-border); }
.li-recom { background: var(--c-recom-bg); border-color: var(--c-recom-border); }
.li-excl  { background: var(--c-excl-bg); border-color: var(--border); }

/* ── Year block ───────────────────────────────────────────────── */
.year-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
  overflow: hidden;
}

/* Year header — state set by PHP-output class */
.year-head {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-light);
}
.year-head.yh-past    { background: var(--rh-steel-pale); }
.year-head.yh-current { background: #fff9f3; border-bottom-color: #f5d5b5; }
.year-head.yh-future  { background: var(--surface); }
.year-head.yh-inactive{ background: var(--c-excl-bg); }

.year-label {
  font-family: var(--font-head); font-size: 1rem;
  font-weight: 600; color: var(--ink); flex: 0 0 auto;
}
.year-cal   { font-size: .88rem; color: var(--ink-light); flex: 0 0 auto; }
.year-credit-summary {
  margin-left: auto; font-size: .8rem; color: var(--ink-light);
  text-align: right; line-height: 1.3;
}
.year-credit-summary strong { color: var(--ink); }

.status-badge {
  flex-shrink: 0; font-size: .67rem; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 20px; white-space: nowrap;
}
/* These are applied to .status-badge by PHP */
.sb-past     { background: var(--rh-steel-light); color: var(--ink-mid); }
.sb-current  { background: #fde0cc; color: #8a3510; border: 1px solid #f0b090; }
.sb-future   { background: var(--c-ok-bg); color: var(--c-ok); border: 1px solid var(--c-ok-border); }
.sb-inactive { background: var(--c-excl-bg); color: var(--ink-light); border: 1px solid var(--border); }

.year-body { padding: 16px 18px; }
.year-inactive-msg { color: var(--ink-light); font-size: .9rem; font-style: italic; }

.sem-head {
  font-size: .7rem; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-light);
  margin: 16px 0 8px;
  display: flex; align-items: center; gap: 8px;
}
.sem-head:first-child { margin-top: 0; }
.sem-head::after { content: ''; flex: 1; height: 1px; background: var(--border-light); }

/* ── Module row ───────────────────────────────────────────────── */
.mod-list   { display: flex; flex-direction: column; gap: 4px; }

/*
  Module state classes (set in PHP / JS, styled purely in CSS):
    .ms-compulsory   — greyed, locked-checked
    .ms-available    — green, toggleable
    .ms-soft         — amber warning, can still be selected
    .ms-hard         — red, blocked
    .ms-excluded     — grey + faded, not available
    .ms-inactive     — ghosted (year inactive)
*/
.mod-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "check info badge" "check notes notes";
  column-gap: 10px;
  padding: 9px 13px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  transition: box-shadow .12s;
  position: relative;
}

/* ─ Compulsory ─ */
.mod-row.ms-compulsory {
  background: var(--c-comp-bg);
  border-color: var(--border);
  cursor: default;
}
/* ─ Available ─ */
.mod-row.ms-available {
  background: var(--surface);
  border-color: var(--border);
  cursor: pointer;
}
.mod-row.ms-available:hover { box-shadow: 0 0 0 2px rgba(0,0,0,.10); }
/* selected state: the real checkbox is hidden; JS adds .selected class, but CSS does the colouring */
.mod-row.ms-available.selected {
  background: #d2f0e0;
  border-color: var(--c-ok);
}
/* ─ Soft prereq missing ─ */
.mod-row.ms-soft {
  background: var(--c-soft-bg);
  border-color: var(--c-soft-border);
  cursor: pointer; /* can still select */
}
.mod-row.ms-soft:hover { box-shadow: 0 0 0 2px rgba(122,88,0,.15); }
.mod-row.ms-soft.selected {
  background: #fdf0c0;
  border-color: var(--c-soft);
}
/* ─ Recommended (pre-ticked optional) ─ */
.mod-row.ms-recommended {
  background: var(--c-recom-bg);
  border-color: var(--c-recom-border);
  cursor: pointer;
}
.mod-row.ms-recommended:hover { box-shadow: 0 0 0 2px rgba(0,0,0,.10); }
.mod-row.ms-recommended.selected {
  background: var(--c-comp-bg);
  border-color: var(--border);
}

/* ─ Hard prereq blocked ─ */
.mod-row.ms-hard {
  background: var(--c-hard-bg);
  border-color: var(--c-hard-border);
  cursor: not-allowed;
}
/* ─ Excluded ─ */
.mod-row.ms-excluded {
  background: var(--c-excl-bg);
  border-color: var(--border-light);
  cursor: default;
  opacity: .55;
}
/* ─ Inactive year overlay ─ */
.mod-row.ms-inactive {
  pointer-events: none; opacity: .35; filter: grayscale(1);
}

/* Custom checkbox visual */
.mod-check {
  grid-area: check; align-self: start; margin-top: 2px;
  width: 17px; height: 17px;
  border: 2px solid var(--border); border-radius: 3px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background .12s, border-color .12s;
}
/* State-driven checkbox colours */
.ms-compulsory     .mod-check { background: var(--rh-dark); border-color: var(--rh-dark); }
.ms-available.selected .mod-check { background: var(--rh-dark); border-color: var(--rh-dark); }
.ms-soft.selected  .mod-check { background: var(--c-soft); border-color: var(--c-soft); }
.ms-excluded       .mod-check { background: var(--border);  border-color: var(--border); }
.ms-hard           .mod-check { border-color: var(--c-hard); }
.ms-recommended.selected .mod-check { background: var(--c-recom); border-color: var(--c-recom); }

/* Tick mark — hidden unless ticked */
.check-tick {
  display: none;
  width: 9px; height: 7px;
  /* pure CSS tick using borders */
  border-bottom: 2px solid #fff;
  border-left: 2px solid #fff;
  transform: rotate(-45deg) translate(-1px,-1px);
}
.ms-compulsory .check-tick,
.ms-available.selected .check-tick,
.ms-soft.selected .check-tick,
.ms-recommended.selected .check-tick { display: block; }

.mod-info { grid-area: info; min-width: 0; }
.mod-name { font-size: .91rem; font-weight: 600; }
.mod-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-size: .76rem; color: var(--ink-light); margin-top: 2px;
}
.mod-code { font-weight: 700; letter-spacing: .03em; }

.mod-info-btn {
  background: none; border: none; padding: 0 2px;
  font-size: .8rem; color: var(--ink-light); cursor: pointer;
  line-height: 1; vertical-align: middle;
  opacity: .6; transition: opacity .12s;
}
.mod-info-btn:hover { opacity: 1; }

.mod-desc {
  grid-area: notes;
  display: none;
  font-size: .8rem; color: var(--ink-mid);
  margin-top: 6px; padding-top: 6px;
  border-top: 1px solid var(--border-light);
  line-height: 1.5;
}
.mod-desc.mod-desc-open { display: block; }
.mod-desc ul, .mod-desc ol { margin: 4px 0 4px 16px; padding: 0; }
.mod-desc li { margin-bottom: 2px; }
.mod-desc-lecturer { margin: 0 0 6px; color: var(--ink-mid); }
.mod-desc-lecturer span { font-style: italic; }

/* Per-state note that appears below the module name, spanning info+badge columns */
.mod-note {
  grid-area: notes;
  font-size: .75rem; margin-top: 2px;
  display: none; /* shown by CSS for specific states */
}
.ms-soft .mod-note { display: block; color: var(--c-soft); }
.ms-hard .mod-note { display: block; color: var(--c-hard); }
.mod-note-dept { display: block !important; color: #7a5500; }

.mod-badge {
  grid-area: badge; align-self: center;
  font-size: .67rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 20px; white-space: nowrap;
}
.ms-compulsory .mod-badge  { background: var(--rh-steel-light); color: var(--ink-mid); }
.ms-available  .mod-badge  { display: none; }
.ms-soft       .mod-badge  { background: var(--c-soft-bg); color: var(--c-soft); border: 1px solid var(--c-soft-border); }
.ms-hard       .mod-badge  { background: var(--c-hard-bg); color: var(--c-hard); border: 1px solid var(--c-hard-border); }
.ms-recommended .mod-badge  { background: var(--c-recom-bg); color: var(--c-recom); border: 1px solid var(--c-recom-border); }
.ms-excluded   .mod-badge  { background: var(--c-excl-bg); color: var(--c-excl-text); border: 1px solid var(--border); }

/* ── Two-column term layout ───────────────────────────────────── */
.terms-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}
/* Collapse to single column below 800px */
@media (max-width: 799px) {
  .terms-row { grid-template-columns: 1fr; }
}
.term-col { min-width: 0; }
.term-col-full { grid-column: 1 / -1; min-width: 0; }

/* ── Borrow-pool section header ──────────────────────────────── */
.borrow-toggle {
  display: flex; align-items: center; gap: 8px;
  width: 100%; background: none; border: none; padding: 16px 0 4px;
  cursor: pointer; text-align: left;
  font: inherit;
  font-size: .7rem; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-light);
}
.borrow-toggle::after {
  content: ''; flex: 1; height: 1px; background: var(--border-light);
}
.borrow-toggle:hover { color: var(--ink); }
.borrow-toggle-icon {
  font-style: normal; font-size: 1rem; line-height: 1;
  transition: transform .2s; flex-shrink: 0;
  display: inline-block; transform: scaleX(2);
}
.borrow-toggle[aria-expanded="true"] .borrow-toggle-icon {
  transform: scaleX(2) rotate(180deg);
}
.borrow-mods { display: none; }
.borrow-mods.borrow-mods-open { display: block; }

/* Year credits footer */
.year-foot {
  border-top: 1px solid var(--border-light);
  margin-top: 12px; padding-top: 10px;
  display: flex; justify-content: flex-end; align-items: center;
  gap: 14px; font-size: .8rem; color: var(--ink-light);
}
.year-foot-count { font-weight: 700; color: var(--ink); }
/* over-limit shown via CSS attribute selector on a data attribute */
.year-foot[data-over="1"] .year-foot-count { color: var(--c-hard); }

/* Borrow warning notice */
.borrow-warning {
  margin: 10px 0 4px;
  padding: 10px 14px;
  background: #fff8e6;
  border: 1px solid #f0c040;
  border-radius: var(--radius);
  font-size: .85rem;
  color: #7a5500;
  line-height: 1.5;
}

/* Term balance display */
.term-split    { display: block; margin-top: 4px; font-size: .8rem; color: var(--ink-light); }
.term-ok       { color: var(--ink-light); }
.term-warn     { font-weight: 600; }
.term-warn-soft { color: var(--c-soft); }
.term-warn-hard { color: var(--c-hard); }
.year-foot[data-met="1"]  .year-foot-count { color: var(--c-ok); }

/* ── Credit card strip ────────────────────────────────────────── */
.credit-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.credit-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}
.cc-label {
  font-size: .68rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-light); margin-bottom: 6px;
}
.cc-bar { height: 4px; background: var(--border-light); border-radius: 2px; overflow: hidden; margin-bottom: 6px; }
.cc-fill {
  height: 100%; border-radius: 2px;
  background: var(--rh-orange);
  transition: width .35s;
}
/* width set via inline style from JS; colour via CSS class */
.cc-fill.cc-full { background: var(--c-ok); }
.cc-nums { font-size: .82rem; color: var(--ink); }
.cc-nums strong { font-weight: 700; font-size: .98rem; }

/* ── Sticky summary bar ───────────────────────────────────────── */
#summary-bar {
  position: sticky; top: 0; z-index: 200;
  background: var(--rh-dark);
  display: none; /* shown by JS after load */
  flex-wrap: wrap;
  padding: 9px 28px; gap: 20px;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}
.sb-item { display: flex; flex-direction: column; line-height: 1.2; }
.sb-label { font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--rh-steel); }
.sb-val   { font-weight: 700; font-size: .95rem; color: #fff; }

/* ── Toast notification ───────────────────────────────────────── */
#toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  background: var(--rh-dark); color: #fff;
  padding: 10px 16px; border-radius: var(--radius);
  font-size: .86rem; font-weight: 500;
  border-left: 4px solid var(--rh-orange);
  max-width: 320px;
  /* Visibility toggled by .show class only — no JS style manipulation */
  opacity: 0; pointer-events: none;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
}
#toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ── Spinner / loading ────────────────────────────────────────── */
.loading-wrap { text-align: center; padding: 48px 20px; color: var(--ink-light); }
.spinner {
  width: 28px; height: 28px; margin: 0 auto 12px;
  border: 3px solid var(--border);
  border-top-color: var(--rh-orange);
  border-radius: 50%;
  animation: spin .65s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Alert boxes ──────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  font-size: .88rem; border: 1px solid;
  margin-bottom: 16px;
}
.alert-ok     { background: var(--c-ok-bg);   border-color: var(--c-ok-border);  color: var(--c-ok-dark); }
.alert-warn   { background: var(--c-soft-bg); border-color: var(--c-soft-border); color: var(--c-soft); }
.alert-error  { background: var(--c-hard-bg); border-color: var(--c-hard-border); color: var(--c-hard); }

/* ── Tables ───────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.data-table th {
  background: var(--rh-steel-pale); text-align: left;
  padding: 8px 12px; font-size: .72rem; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-light);
  border-bottom: 2px solid var(--border);
}
.data-table td {
  padding: 9px 12px; border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--rh-steel-pale); }
.td-code { font-weight: 700; font-family: monospace; font-size: .85rem; }
.td-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Admin-specific: module status toggle on degree page ─────── */
/* These classes are toggled by JS on click in admin degree editor */
.adm-mod-row { cursor: pointer; }
.adm-mod-row .mod-status-cycle {
  flex-shrink: 0; align-self: center;
  font-size: .67rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 20px;
  white-space: nowrap; min-width: 88px; text-align: center;
  transition: background .15s, color .15s;
}
/* status set via data-status attribute on .adm-mod-row */
.adm-mod-row[data-status="compulsory"] { background: var(--c-comp-bg); border-color: var(--border); }
.adm-mod-row[data-status="compulsory"] .mod-status-cycle {
  background: var(--rh-dark); color: #fff;
}
.adm-mod-row[data-status="recommended"] { background: var(--c-recom-bg); border-color: var(--c-recom-border); }
.adm-mod-row[data-status="optional"]   { background: var(--c-ok-bg); border-color: var(--c-ok-border); }
.adm-mod-row[data-status="recommended"] .mod-status-cycle {
  background: var(--c-recom-bg); color: var(--c-recom); border: 1px solid var(--c-recom-border);
}
.adm-mod-row[data-status="optional"]   .mod-status-cycle {
  background: var(--c-ok-bg); color: var(--c-ok); border: 1px solid var(--c-ok-border);
}
.adm-mod-row[data-status="excluded"]   { background: var(--c-excl-bg); border-color: var(--border-light); opacity: .65; }
.adm-mod-row[data-status="excluded"]   .mod-status-cycle {
  background: var(--c-excl-bg); color: var(--c-excl-text); border: 1px solid var(--border);
}

/* ── Breadcrumb ───────────────────────────────────────────────── */
.breadcrumb {
  font-size: .8rem; color: var(--ink-light);
  margin-bottom: 20px; display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-light); text-decoration: none; }
.breadcrumb a:hover { color: var(--rh-orange); }
.breadcrumb .sep { color: var(--border); }

/* ── Responsive tweaks ────────────────────────────────────────── */
@media (max-width: 640px) {
  .header-inner  { padding: 16px 16px 0; }
  .header-nav    { padding: 0 16px; }
  .main-content  { padding: 20px 16px 60px; }
  .panel-body    { padding: 16px; }
}

/* ── Page footer ──────────────────────────────────────────────── */
.page-footer {
  background: var(--rh-dark); color: var(--rh-steel);
  padding: 22px 28px; font-size: .79rem; line-height: 1.7; margin-top: 40px;
}
.page-footer a { color: var(--rh-steel); }
.page-footer-inner { max-width: 980px; margin: 0 auto; }
.page-footer strong { color: #fff; }