/* ==========================================================================
   Commonwealth University SIS - Application stylesheet
   Built on the design tokens from the public marketing site (style.css).
   ========================================================================== */

:root {
  --color-primary: #881c1c;
  --color-primary-dark: #631414;
  --color-primary-light: #a82d2d;
  --color-primary-subtle: #fcf4f4;
  --color-secondary: #212529;
  --color-accent-gold: #c69214;
  --color-accent-blue: #004d73;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-subtle: #eceeef;
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;
  --color-text-main: #212529;
  --color-text-muted: #5a6268;
  --color-text-light: #f8f9fa;

  --font-serif: "Merriweather", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --max-width: 1200px;
  --header-height: 72px;
  --transition: all 0.25s ease-in-out;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1 0 auto; }

a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-secondary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
p { margin-bottom: 1rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-maroon { color: var(--color-primary) !important; }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: 0.85rem; }
.text-large { font-size: 1.15rem; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2rem; }
.py-section { padding-top: 3rem; padding-bottom: 3rem; }
.flex { display: flex; align-items: center; gap: 1rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.hidden { display: none !important; }

/* --- Top Utility Bar --- */
.top-bar {
  background-color: var(--color-secondary);
  color: #adb5bd;
  font-size: 0.8125rem;
  line-height: 34px;
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.top-bar-notice { display: flex; align-items: center; gap: 0.5rem; font-weight: 500; color: #dee2e6; }
.top-bar-links { display: flex; gap: 1.25rem; list-style: none; }
.top-bar-links a { color: #ced4da; font-weight: 500; }
.top-bar-links a:hover { color: #fff; text-decoration: none; }

.badge-tag {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

/* --- Main Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--color-primary);
}
.header-container { display: flex; justify-content: space-between; align-items: center; height: var(--header-height); }

.site-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none !important; color: var(--color-secondary); }
.logo-crest {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-serif); font-weight: 900; font-size: 1.4rem;
  box-shadow: 0 2px 6px rgba(136, 28, 28, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.logo-text { display: flex; flex-direction: column; min-width: 0; }
.wordmark-main { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 800; letter-spacing: 0.05em; color: var(--color-primary); line-height: 1.15; text-transform: uppercase; white-space: nowrap; }
.wordmark-sub { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; color: var(--color-secondary); text-transform: uppercase; white-space: nowrap; }

.main-nav { display: flex; align-items: center; }
.nav-list { display: flex; list-style: none; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
.nav-link {
  font-size: 0.875rem; font-weight: 600; color: var(--color-secondary);
  padding: 0.5rem 0.65rem; border-radius: var(--radius-sm); position: relative; text-decoration: none !important;
}
.nav-link:hover { color: var(--color-primary); background-color: var(--color-primary-subtle); }
.nav-link.active { color: var(--color-primary); font-weight: 700; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -3px; left: 0.65rem; right: 0.65rem;
  height: 3px; background-color: var(--color-primary); border-radius: 2px;
}
.nav-link-sis { background-color: var(--color-bg-subtle); border: 1px solid var(--color-border); font-weight: 600; }
.nav-link-sis:hover { background-color: #dfe3e6 !important; color: var(--color-secondary) !important; }
.nav-user { display: flex; align-items: center; gap: 0.25rem; border-left: 1px solid var(--color-border); margin-left: 0.5rem; padding-left: 0.5rem; }

.notif-badge {
  display: inline-block; min-width: 18px; height: 18px; line-height: 18px;
  background: var(--color-primary); color: #fff; border-radius: var(--radius-full);
  font-size: 0.7rem; font-weight: 700; text-align: center; padding: 0 5px; vertical-align: top;
}

.mobile-nav-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--color-secondary); padding: 0.5rem; }
.mobile-nav-toggle svg { width: 28px; height: 28px; fill: currentColor; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-sans); font-size: 0.95rem; font-weight: 700;
  padding: 0.6rem 1.4rem; border-radius: var(--radius-sm); border: 2px solid transparent;
  cursor: pointer; transition: var(--transition); text-decoration: none !important;
}
.btn-primary { background-color: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline-maroon { background-color: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-maroon:hover { background-color: var(--color-primary); color: #fff; }
.btn-secondary { background-color: var(--color-bg-subtle); color: var(--color-secondary); border-color: var(--color-border); }
.btn-secondary:hover { background-color: #dfe3e6; }
.btn-danger { background-color: #c92a2a; color: #fff; border-color: #c92a2a; }
.btn-danger:hover { background-color: #a61e1e; color: #fff; }
.btn-warning { background-color: #e8a33d; color: #fff; border-color: #e8a33d; }
.btn-warning:hover { background-color: #d08a1f; color: #fff; }
.btn-sm { padding: 0.35rem 0.9rem; font-size: 0.8rem; }
.btn-block { width: 100%; }

.section-eyebrow {
  color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.8rem; font-weight: 800; display: block; margin-bottom: 0.35rem;
}

/* --- Cards --- */
.card {
  background-color: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--color-border-light);
  background-color: var(--color-bg-alt); font-family: var(--font-serif); font-weight: 700; font-size: 1.05rem;
}
.card-body { padding: 1.5rem; }
.card-title { font-size: 1.2rem; margin-bottom: 0.5rem; }
.card-text { color: var(--color-text-muted); font-size: 0.9rem; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--color-border-light); background: var(--color-bg-alt); }

.feature-card {
  background: #fff; border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary); border-radius: var(--radius-md);
  padding: 1.5rem; box-shadow: var(--shadow-sm);
}
.feature-card h3 { font-size: 1.15rem; }

.stat-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem; box-shadow: var(--shadow-sm);
}
.stat-number { font-family: var(--font-serif); font-size: 2rem; font-weight: 800; color: var(--color-primary); line-height: 1.1; }
.stat-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); font-weight: 700; }

/* --- Page hero (inner pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff; padding: 2.25rem 0; border-bottom: 4px solid var(--color-accent-gold); margin-bottom: 2rem;
}
.page-hero-title { font-size: 1.9rem; color: #fff; margin-bottom: 0.25rem; }
.page-hero-breadcrumb { font-size: 0.85rem; color: rgba(255, 255, 255, 0.85); }
.page-hero-breadcrumb a { color: #fff; font-weight: 600; }

/* --- Badges --- */
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); line-height: 1.5;
}
.badge-primary { background: var(--color-primary-subtle); color: var(--color-primary); border: 1px solid #e6c6c6; }
.badge-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.badge-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.badge-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.badge-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.badge-muted { background: var(--color-bg-subtle); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.badge-gold { background: var(--color-accent-gold); color: #fff; }

/* --- Alerts --- */
.alert { padding: 0.85rem 1.1rem; border-radius: var(--radius-sm); font-size: 0.9rem; margin-bottom: 1.25rem; border: 1px solid transparent; }
.alert-success { background: #d4edda; color: #155724; border-color: #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border-color: #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border-color: #bee5eb; }
.alert-warning { background: #fff3cd; color: #856404; border-color: #ffeeba; }

/* --- Tables --- */
.table-responsive { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; background: #fff; }
.table th {
  background-color: var(--color-primary); color: #fff; padding: 0.7rem 0.9rem;
  font-family: var(--font-serif); font-weight: 700; text-transform: uppercase;
  font-size: 0.72rem; letter-spacing: 0.04em; text-align: left; white-space: nowrap;
}
.table td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--color-border-light); vertical-align: top; }
.table tr:hover td { background-color: var(--color-bg-alt); }
.table tr:last-child td { border-bottom: none; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }

/* --- Forms --- */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 0.35rem; color: var(--color-secondary); }
.form-label .req { color: var(--color-primary); }
.form-control {
  display: block; width: 100%; padding: 0.6rem 0.75rem; font-size: 0.95rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: #fff; color: var(--color-text-main);
}
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(136, 28, 28, 0.12); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 110px; resize: vertical; }
.form-hint { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 0.3rem; }
.form-error { font-size: 0.8rem; color: #c92a2a; margin-top: 0.3rem; }
.form-check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; }
.form-check input { margin-top: 0.2rem; }
.field-invalid { border-color: #c92a2a !important; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* --- Admin layout --- */
.admin-layout { display: grid; grid-template-columns: 260px 1fr; gap: 2rem; align-items: start; }
.admin-sidebar {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm); position: sticky; top: calc(var(--header-height) + 20px);
}
.admin-sidebar-head {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border-light);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff;
}
.admin-sidebar-head .logo-crest { width: 30px; height: 30px; font-size: 0.95rem; }
.admin-sidebar-head div { min-width: 0; }
.admin-sidebar-head .sb-title { font-family: var(--font-serif); font-weight: 800; font-size: 0.95rem; color: #fff; line-height: 1.2; }
.admin-sidebar-head .sb-sub { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: #e5c9c9; }
.admin-sidebar .admin-sidebar-view {
  display: block; padding: 0.65rem 1.25rem; font-size: 0.85rem; font-weight: 600;
  color: var(--color-primary); border-bottom: 1px solid var(--color-border-light); text-decoration: none !important;
}
.admin-sidebar .admin-sidebar-view:hover { background: var(--color-primary-subtle); }
.admin-sidebar h4 {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted);
  padding: 1rem 1.25rem 0.4rem; font-family: var(--font-sans);
}
.admin-sidebar a {
  display: block; padding: 0.55rem 1.25rem; color: var(--color-text-main); font-size: 0.9rem; font-weight: 500;
  border-left: 3px solid transparent; text-decoration: none !important;
}
.admin-sidebar a:hover { background: var(--color-primary-subtle); color: var(--color-primary); }
.admin-sidebar a.active { background: var(--color-primary-subtle); color: var(--color-primary); border-left-color: var(--color-primary); font-weight: 700; }
.admin-main { min-width: 0; }

@media (max-width: 992px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; display: flex; flex-wrap: wrap; gap: 0; }
  .admin-sidebar-head, .admin-sidebar .admin-sidebar-view { display: none; }
  .admin-sidebar h4 { display: none; }
  .admin-sidebar a { border-left: none; border-bottom: 3px solid transparent; }
  .admin-sidebar a.active { border-bottom-color: var(--color-primary); }
}

/* --- Student center dashboard --- */
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.dash-grid .span-2 { grid-column: span 2; }
@media (max-width: 900px) { .dash-grid { grid-template-columns: 1fr; } .dash-grid .span-2 { grid-column: span 1; } }

/* --- PeopleSoft-style user menu (slim header) --- */
.user-menu { display: flex; align-items: center; gap: 0.15rem; }
.user-menu a {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; font-weight: 600; color: var(--color-secondary);
  padding: 0.45rem 0.7rem; border-radius: var(--radius-sm); text-decoration: none !important;
}
.user-menu a:hover { color: var(--color-primary); background-color: var(--color-primary-subtle); }
.user-menu .user-menu-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu .notif-badge { margin-left: 2px; }

/* --- PeopleSoft-style module strip (secondary nav) --- */
.module-strip {
  position: sticky; top: var(--header-height); z-index: 990;
  background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border-light);
}
.module-strip-inner { display: flex; align-items: center; gap: 0.4rem; overflow-x: auto; padding: 0.6rem 0; scrollbar-width: thin; }
.module-link {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; font-weight: 600; color: var(--color-text-main);
  padding: 0.4rem 0.8rem; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); background: #fff; text-decoration: none !important;
  white-space: nowrap;
}
.module-link:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-subtle); }
.module-link.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* --- PeopleSoft-style Student Center tiles --- */
.tile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.tile {
  display: flex; flex-direction: column; gap: 0.5rem;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1.25rem 1.25rem 1rem; box-shadow: var(--shadow-sm);
  transition: var(--transition); text-decoration: none !important; color: var(--color-text-main);
}
.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.tile-icon {
  width: 46px; height: 46px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 6px rgba(136, 28, 28, 0.35);
}
.tile-icon svg { width: 24px; height: 24px; }
.tile-title { font-family: var(--font-serif); font-weight: 700; font-size: 0.95rem; color: var(--color-secondary); }
.tile-desc { font-size: 0.78rem; color: var(--color-text-muted); line-height: 1.4; }
.tile-grid .tile-admin .tile-icon { background: linear-gradient(135deg, var(--color-accent-gold) 0%, #8a6a10 100%); box-shadow: 0 2px 6px rgba(198, 146, 20, 0.35); }

@media (max-width: 960px) { .tile-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .tile-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .tile-grid { grid-template-columns: 1fr; } }

/* --- Muted empty states --- */
.empty { text-align: center; padding: 3rem 1rem; color: var(--color-text-muted); }
.empty .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

/* --- Auth / centered layout --- */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem 1rem; background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%); }
.auth-card { width: 100%; max-width: 420px; }

/* --- Login page --- */
.login-hero { text-align: center; margin-bottom: 1.75rem; }
.login-hero .logo-crest { margin: 0 auto 0.75rem; width: 56px; height: 56px; font-size: 1.8rem; }
.login-hero h1 { font-size: 1.5rem; }

/* --- Site footer --- */
.site-footer { background-color: var(--color-secondary); color: #adb5bd; padding-top: 3rem; border-top: 5px solid var(--color-primary); margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-brand h3 { color: #fff; font-size: 1.2rem; margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.88rem; color: #ced4da; }
.footer-column h4 { color: #fff; font-size: 0.95rem; margin-bottom: 0.75rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: #ced4da; font-size: 0.88rem; text-decoration: none; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding: 1.25rem 0; font-size: 0.8rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-disclaimer-credit { color: #ffc107; font-weight: 600; }

/* --- Notification list --- */
.notif-item { padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border-light); display: flex; gap: 1rem; align-items: flex-start; }
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { background: var(--color-primary-subtle); }
.notif-title { font-weight: 700; font-size: 0.95rem; }
.notif-meta { font-size: 0.75rem; color: var(--color-text-muted); }

/* --- Class Schedule Builder --- */
.builder-summary { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.builder-legend { display: flex; align-items: center; gap: 0.9rem; font-size: 0.8rem; color: var(--color-text-muted); }
.builder-legend-dot { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 0.3rem; }
.builder-calendar { display: grid; grid-template-columns: 44px repeat(7, 1fr); gap: 4px; overflow-x: auto; }
.builder-time-col { position: relative; height: 840px; }
.builder-time-label { position: absolute; right: 6px; font-size: 0.68rem; color: var(--color-text-muted); transform: translateY(-50%); }
.builder-day-col { min-width: 104px; }
.builder-day-head { text-align: center; font-size: 0.75rem; font-weight: 700; color: var(--color-text-muted); padding: 0.25rem 0; border-bottom: 1px solid var(--color-border-light); }
.builder-day-grid { position: relative; background: var(--color-bg-alt); border: 1px solid var(--color-border-light); border-radius: 6px; }
.builder-hour-line { position: absolute; left: 0; right: 0; border-top: 1px solid var(--color-border-light); }
.builder-block { position: absolute; left: 3px; right: 3px; border-radius: 5px; padding: 3px 5px; overflow: hidden; box-sizing: border-box; font-size: 0.7rem; line-height: 1.25; }
.builder-block strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.builder-block .text-small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.builder-block.enrolled { background: var(--color-primary); color: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.25); }
.builder-block.enrolled .text-muted { color: rgba(255,255,255,0.8); }
.builder-block.cart { background: #fff3cd; color: #6b4a00; border: 1px dashed #b8860b; }
@media (max-width: 992px) {
  .builder-calendar { grid-template-columns: 44px repeat(7, 104px); }
}

/* --- Registration Status --- */
.reg-status-card { border-left: 4px solid var(--color-border); }
.reg-status-card.open { border-left-color: #1a7f37; }
.reg-status-card.upcoming { border-left-color: #b8860b; }
.reg-status-card.closed { border-left-color: var(--color-border); }
.reg-countdown { font-variant-numeric: tabular-nums; }
.reg-checklist li { padding: 0.25rem 0; }

/* --- Housing application --- */
.housing-pref-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
@media (max-width: 640px) { .housing-pref-grid { grid-template-columns: 1fr; } }

/* --- Responsive --- */
@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .mobile-nav-toggle { display: block; }
  .module-strip { display: none; }
  .module-strip.nav-open { display: block; }
  .module-strip-inner { flex-wrap: nowrap; overflow-x: auto; padding: 0.6rem 1.5rem; }
  .user-menu .user-menu-name { display: none; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .wordmark-main { font-size: 1.05rem; letter-spacing: 0.04em; white-space: normal; }
  .wordmark-sub { font-size: 0.62rem; white-space: normal; }
  .user-menu a { padding: 0.45rem 0.5rem; }
}