:root {
  --navy: #3B1877;
  --navy-deep: #1F0F42;
  --gold: #F4B400;
  --gold-light: #FFCB3D;
  --ivory: #F7F5F0;
  --ink: #1A1F27;
  --white: #FFFFFF;
  --border: #E4E0D6;
}

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

html, body { max-width: 100%; overflow-x: clip; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--white);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.btn {
  display: inline-block; font-size: 0.82rem; font-weight: 600;
  padding: 8px 18px; border-radius: 3px; letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-submit { background: var(--gold); color: var(--navy-deep); border: none; }
.btn-submit:hover { background: var(--gold-light); }

/* ===== MAIN HEADER ===== */
.site-header {
  background: var(--navy); border-bottom: 1px solid var(--navy-deep);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1400px; margin: 0 auto; padding: 14px 24px 14px 8px;
  display: flex; align-items: center; justify-content: flex-start; gap: 8px;
  flex-wrap: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-left: auto; }
.header-actions .btn { padding: 9px 18px; font-size: 0.82rem; font-weight: 600; border-radius: 24px; white-space: nowrap; }
.header-actions .btn-outline { background: transparent; border: 1.5px solid var(--white); color: var(--white); }
.header-actions .btn-outline:hover { background: var(--white); border-color: var(--white); color: var(--navy); }
.header-actions .btn-filled { background: var(--gold); border: 1.5px solid var(--gold); color: var(--navy-deep); }
.header-actions .btn-filled:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy-deep); }
.header-actions .btn-outline.active { background: var(--gold); border-color: var(--gold); color: var(--navy-deep); }
.header-actions .btn-outline.active:hover,
.header-actions .btn-filled.active:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy-deep); }
.header-actions .btn-filled.active { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy-deep); }
@media (max-width: 1300px) {
  .header-actions { display: none; }
}
.logo { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.logo-mark-img { width: 68px; height: 68px; object-fit: contain; display: block; }
.logo-ring { width: 70px; height: 70px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 8px rgba(0,0,0,0.18); flex-shrink: 0; overflow: hidden; }
.logo-ring .logo-mark-img { width: 56px; height: 56px; }
.logo-text { font-family: 'Source Serif 4', serif; font-size: 1.15rem; color: var(--white); font-weight: 500; }
.logo-text strong { font-weight: 700; }

/* ===== NAV ===== */
.main-nav { flex-shrink: 0; }
.main-nav ul { display: flex; align-items: center; gap: 0; flex-wrap: nowrap; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 8px; font-size: 0.8rem; font-weight: 500;
  color: var(--white); position: relative; white-space: nowrap;
}
.main-nav > ul > li > a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 8px; height: 2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.2s ease;
}
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li > a.active::after { transform: scaleX(1); }
.main-nav > ul > li > a.active { color: var(--gold-light); font-weight: 600; }
.has-dropdown > a::after {
  content: ""; display: inline-block; width: 7px; height: 7px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); margin-left: 7px; margin-bottom: 1px; opacity: 0.5;
  vertical-align: middle; transition: transform 0.2s ease, opacity 0.2s ease;
}
.has-dropdown:hover > a::after,
.has-dropdown:focus-within > a::after { opacity: 0.85; }
.has-dropdown.open > a::after { transform: rotate(225deg); }
.main-nav .dropdown {
  position: absolute; top: 100%; left: 0; min-width: 220px;
  background: var(--white); border: 1px solid var(--border); border-top: 2px solid var(--gold);
  box-shadow: 0 12px 24px rgba(14, 42, 74, 0.08);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.main-nav .has-dropdown:hover .dropdown,
.main-nav .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .dropdown li a { display: block; padding: 12px 18px; font-size: 0.88rem; color: var(--ink); border-bottom: 1px solid var(--border); }
.main-nav .dropdown li:last-child a { border-bottom: none; }
.main-nav .dropdown li a:hover { background: var(--ivory); color: var(--navy); }
.main-nav .dropdown li a.active { color: var(--navy); font-weight: 600; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); }

/* ===== HERO BANNER ===== */
.hero { background: var(--ivory); border-bottom: 1px solid var(--border); }
.hero-banner-img { width: 100%; display: block; }
.hero-details { height: 10px; background: linear-gradient(90deg, var(--navy) 0%, var(--navy-deep) 50%, var(--gold) 100%); }

/* ===== CONTENT PAGE ===== */
.content-page { background: var(--white); }
.content-page-inner { max-width: 1200px; margin: 0 auto; padding: 60px 24px 20px; }
.section-eyebrow { font-size: 0.85rem; font-weight: 600; color: var(--gold); margin-bottom: 16px; }
.page-title { font-family: 'Source Serif 4', serif; font-size: 2.1rem; color: var(--navy); font-weight: 600; margin-bottom: 8px; }
.page-lead { font-size: 1rem; line-height: 1.75; color: #4a5568; max-width: 900px; margin-top: 14px; }
.content-prose p { font-size: 1rem; line-height: 1.8; color: #4a5568; margin-bottom: 18px; text-align: justify; }
.content-page .breadcrumb { display: none; }

/* ===== PEOPLE / COMMITTEE SECTIONS ===== */
.people-section { padding: 50px 0 20px; }
.people-section-title { font-family: 'Source Serif 4', serif; font-size: 1.4rem; color: var(--navy); font-weight: 600; border-bottom: 2px solid var(--gold); padding-bottom: 12px; margin-bottom: 32px; }
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.person-card { background: var(--white); border: 1px solid var(--border); padding: 28px 22px; text-align: center; transition: box-shadow 0.2s ease, transform 0.2s ease; }
.person-card:hover { box-shadow: 0 12px 24px rgba(14, 42, 74, 0.08); transform: translateY(-2px); }
.person-avatar { width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; background: var(--navy); color: var(--gold-light); font-family: 'Source Serif 4', serif; font-size: 1.4rem; font-weight: 600; overflow: hidden; }
.person-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.person-name { font-family: 'Source Serif 4', serif; font-size: 1.05rem; color: var(--navy); font-weight: 600; margin-bottom: 4px; }
.person-role { font-size: 0.85rem; color: #6b7789; line-height: 1.5; }
@media (max-width: 900px) { .people-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .people-grid { grid-template-columns: 1fr; } }

/* ===== WELCOME MESSAGE (Messages page) ===== */
.welcome { background: var(--white); }
.welcome + .welcome { border-top: 1px solid var(--border); }
.welcome-inner { max-width: 1200px; margin: 0 auto; padding: 70px 24px; display: grid; grid-template-columns: 300px 1fr; gap: 60px; align-items: start; }
.welcome-first .welcome-inner { padding-top: 20px; }
.welcome-photo-frame {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 14px 32px rgba(31, 15, 66, 0.10);
}
.welcome-photo-frame img { width: 100%; border-radius: 6px; display: block; }
.photo-caption { margin-top: 14px; text-align: center; display: flex; flex-direction: column; gap: 2px; }
.photo-caption strong { font-family: 'Source Serif 4', serif; color: var(--navy); font-size: 1.05rem; }
.photo-caption span { font-size: 0.85rem; color: #8391a6; }
.welcome-content .section-eyebrow { color: var(--navy); }
.welcome-lead { font-family: 'Inter', sans-serif; font-size: 0.98rem; color: #4a5568; font-weight: 400; line-height: 1.75; margin-bottom: 16px; text-align: justify; }
.welcome-text { font-size: 0.98rem; line-height: 1.75; color: #4a5568; margin-bottom: 16px; text-align: justify; }
.welcome-sign { margin-top: 24px; display: flex; flex-direction: column; gap: 2px; }
.welcome-sign strong { font-family: 'Source Serif 4', serif; color: var(--navy); font-size: 1.05rem; }
.welcome-sign span { font-size: 0.85rem; color: #8391a6; }
@media (max-width: 700px) {
  .welcome-inner { grid-template-columns: 1fr; padding: 50px 24px; }
  .welcome-first .welcome-inner { padding-top: 20px; }
  .welcome-photo { max-width: 240px; margin: 0 auto; }
}

/* ===== DATES TABLE ===== */
.dates-table-wrap { overflow-x: auto; margin-top: 40px; border: 1px solid var(--border); }
.dates-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.dates-table th {
  background: var(--navy); color: var(--white); text-align: left;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 14px 20px;
}
.dates-table td { padding: 16px 20px; font-size: 0.92rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.dates-table tr:last-child td { border-bottom: none; }
.dates-table tr:hover td { background: var(--ivory); }
.dates-table .date-cell { color: var(--navy); font-weight: 600; white-space: nowrap; }
.dates-table .day-cell { color: #6b7789; font-size: 0.85rem; }

/* ===== POLICY SECTIONS ===== */
.policy-toc { background: var(--ivory); border: 1px solid var(--border); padding: 24px 28px; margin: 32px 0 8px; }
.policy-toc h3 { font-family: 'Source Serif 4', serif; font-size: 0.95rem; color: var(--navy); margin-bottom: 14px; }
.policy-toc ol { list-style: decimal; padding-left: 20px; columns: 2; column-gap: 32px; }
.policy-toc li { font-size: 0.88rem; padding: 4px 0; color: #4a5568; }
@media (max-width: 700px) { .policy-toc ol { columns: 1; } }
.policy-section { display: flex; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--border); }
.policy-section:last-child { border-bottom: none; }
.policy-num {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: var(--gold-light); font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 0.95rem;
}
.policy-section h3 { font-family: 'Source Serif 4', serif; font-size: 1.1rem; color: var(--navy); margin-bottom: 10px; }
.policy-section p { font-size: 0.92rem; line-height: 1.75; color: #4a5568; }

/* ===== SIMPLE FORM (Accommodation / Workshop) ===== */
.simple-form { max-width: 720px; margin-top: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-row.full { grid-template-columns: 1fr; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  font-family: 'Inter', sans-serif; font-size: 0.92rem; background: var(--white);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: none; border-color: var(--navy); }
.form-hint { font-size: 0.8rem; color: #8391a6; margin-top: 4px; }
.form-submit { margin-top: 12px; }
.form-error { color: #c0392b; font-size: 0.8rem; margin-top: 4px; }
.form-success { background: #eafaf1; border: 1px solid #27ae60; color: #1e8449; padding: 14px 18px; margin-bottom: 24px; font-size: 0.9rem; }

/* ===== FOOTER ===== */
.site-footer { background: var(--navy-deep); color: #9aa7ba; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 70px 24px 40px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin-top: 16px; font-size: 0.9rem; line-height: 1.6; max-width: 260px; }
.logo-text-light { color: var(--white); }
.footer-col h4 { color: var(--white); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 16px; }
.footer-col p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; }
.footer-col a { color: #9aa7ba; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--gold-light); }
.footer-social { display: flex; gap: 14px; }
.footer-col-logo { display: flex; flex-direction: column; align-items: flex-start; }
.footer-badge { display: inline-block; background: #ffffff; border-radius: 10px; padding: 14px 18px; }
.footer-badge-img { display: block; width: 150px; height: auto; }
.footer-bottom { border-top: 1px solid #1c2e45; padding: 20px 24px; text-align: center; font-size: 0.82rem; }
@media (max-width: 800px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-inner { grid-template-columns: 1fr; } }

/* ===== RESPONSIVE NAV ===== */
@media (max-width: 1300px) {
  .topbar-meta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100vh;
    background: var(--white); box-shadow: -4px 0 16px rgba(0,0,0,0.1);
    transition: right 0.25s ease; overflow-y: auto; padding-top: 70px;
  }
  .main-nav.open { right: 0; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li > a { padding: 14px 20px; border-bottom: 1px solid var(--border); color: var(--ink); }
  .main-nav > ul > li > a.active { color: var(--navy); }
  .main-nav > ul > li > a::after { display: none; }
  .main-nav .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; border-top: none; background: var(--ivory); display: none;
  }
  .main-nav .has-dropdown.open .dropdown { display: block; }
}

/* ===== HEADER: holds its shape on older pages that still load Bootstrap ===== */
.site-header .main-nav ul { margin: 0; padding: 0; list-style: none; }
.site-header a { text-decoration: none; }
.site-header .logo-ring .logo-mark-img { max-width: none; }

/* Abstract / Registration links: header buttons on desktop, menu entries below 1300px */
.main-nav .nav-mobile-only { display: none; }
@media (max-width: 1300px) {
  .main-nav .nav-mobile-only { display: block; }
  .nav-toggle { margin-left: auto; position: relative; z-index: 2; }
  .nav-toggle[aria-expanded="true"] span { background: var(--navy); }
}

/* ===== FLASH MESSAGES (form submissions) ===== */
.flash-wrap { max-width: 900px; margin: 24px auto 0; padding: 0 24px; }
.flash-message { padding: 14px 18px; border-radius: 4px; font-size: 0.95rem; line-height: 1.6; border: 1px solid; }
.flash-message.is-success { background: #eafaf1; color: #1e7e4d; border-color: #b6e6c9; }
.flash-message.is-error { background: #fdecea; color: #a33a2f; border-color: #f3c2bb; }
.flash-message ul { margin: 8px 0 0 18px; list-style: disc; }

/* ===== NOTICE CARD (abstract submission not open) ===== */
.submission-notice { background: var(--ivory); border: 1px solid var(--border); border-left: 4px solid var(--gold); padding: 24px 28px; margin-bottom: 28px; }
.submission-notice h3 { font-family: 'Source Serif 4', serif; font-size: 1.15rem; color: var(--navy); margin-bottom: 8px; }
.submission-notice p { font-size: 0.92rem; line-height: 1.7; color: #4a5568; }

/* ===== HOME POPUP (Admin > Popup) ===== */
.popup-container { display: none; position: fixed; z-index: 2000; inset: 0; background-color: rgba(31, 15, 66, .88); }
.popup-content { position: relative; margin: 40px auto; width: calc(100% - 32px); max-width: 530px; background-color: #fff; border-radius: 10px; overflow: hidden; text-align: center; }
.popup-image { width: 100%; height: auto; display: block; }
.popup-content .close-btn { position: absolute; top: 8px; right: 8px; width: 34px; height: 34px; line-height: 32px; border-radius: 50%; font-size: 22px; font-weight: bold; cursor: pointer; color: var(--navy-deep); background: var(--gold); }

/* Older (Bootstrap) pages also load assets/styles.css after this file; keep the footer in PSG colours there too */
footer.site-footer { background: var(--navy-deep); color: #9aa7ba; border-top: 0; }

/* ===== HERO SLIDER (banner block; images from Admin > Banners) ===== */
/* No strip between the header (or countdown) and the banner. Written as section.hero so it also
   wins over the ".hero" rule each page carries in its own CSS. */
section.hero { margin-top: 0; }
.hero-slides { position: relative; overflow: hidden; }
/* The first image sets the height; the others are cropped to fit it. */
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease; }
.hero-slide:first-child { position: relative; }
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide .hero-banner-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(31, 15, 66, 0.55); color: var(--white); font-size: 1.4rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}
.hero-arrow:hover { background: var(--gold); color: var(--navy-deep); }
.hero-arrow.prev { left: 18px; }
.hero-arrow.next { right: 18px; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 14px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--white); background: transparent; padding: 0; cursor: pointer; transition: background 0.2s ease, width 0.2s ease; }
.hero-dot.active { background: var(--gold); border-color: var(--gold); width: 26px; border-radius: 6px; }
@media (max-width: 700px) {
  .hero-arrow { width: 32px; height: 32px; font-size: 1.1rem; }
  .hero-arrow.prev { left: 8px; }
  .hero-arrow.next { right: 8px; }
  .hero-dots { bottom: 6px; }
}

/* ===== REGISTRATION FEES: periods outside their dates (set by assets/psg.js) ===== */
.reg-fees-table th.is-current::after,
.reg-fees-table th.is-closed::after {
  display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 10px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; vertical-align: middle;
}
.reg-fees-table th.is-current::after { content: "Open now"; background: var(--gold); color: var(--navy-deep); }
.reg-fees-table th.is-closed::after { content: "Closed"; background: #e3e1dc; color: #7a7f88; }
.reg-fees-table th.is-closed, .reg-fees-table td.is-closed { color: #a3a8b1; }
.reg-fees-table td.is-closed label { cursor: not-allowed; }