/* ============ ภารกิจคณบดี : หน้าเว็บสาธารณะ ============ */
:root {
  --brand-900: #4C1D95;
  --brand-700: #7C3AED;
  --brand-500: #C084FC;
  --brand-50:  #F5EEFF;
  --accent:    #EC4899;
  --accent-50: #FDEAF4;
  --grad:      linear-gradient(120deg, #7C3AED 0%, #C026D3 55%, #EC4899 100%);
  --ink:       #24133D;
  --muted:     #6E6280;
  --line:      #EADFF5;
  --bg:        #FBF8FF;
  --card:      #FFFFFF;
  --radius:    18px;
  --shadow:    0 1px 2px rgba(76,29,149,.05), 0 8px 24px rgba(124,58,237,.09);
  --font-head: 'Prompt', 'Sarabun', sans-serif;
  --font-body: 'Sarabun', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: var(--font-body); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--bg); }
a { color: var(--brand-700); }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.25; margin: 0; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer;
  font: 600 16px var(--font-body); padding: 12px 22px; border-radius: 12px; text-decoration: none; transition: background .15s, transform .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 16px rgba(192,38,211,.28); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: #fff; color: var(--brand-700); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--brand-500); }
.btn-sm { padding: 9px 16px; font-size: 15px; }

.chip { display: inline-block; font-size: 13px; font-weight: 600; padding: 2px 10px; border-radius: 999px;
  color: var(--type, var(--brand-700)); background: color-mix(in srgb, var(--type, var(--brand-700)) 12%, white); }
.chip-accent { --type: var(--accent); }
.chip-live { color: #fff; background: #DC2626; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .65; } }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); min-width: 0; }
.brand strong { display: block; font-family: var(--font-head); font-size: 19px; color: var(--brand-900); }
.brand small { display: block; font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-logo { width: 46px; height: 46px; object-fit: contain; flex: none; }
.brand-fallback { display: grid; place-items: center; border-radius: 50%; background: var(--grad); color: #fff;
  font: 700 16px var(--font-head); box-shadow: inset 0 0 0 3px var(--accent); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 14px; border-radius: 10px; text-decoration: none; color: var(--ink); font-weight: 500; font-size: 16px; }
.nav a:hover { background: var(--brand-50); color: var(--brand-700); }
.nav .nav-cta { margin-left: 6px; color: var(--brand-700); box-shadow: inset 0 0 0 1.5px var(--brand-700); }
.nav .nav-cta:hover { background: var(--brand-700); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { background:
    radial-gradient(800px 420px at 90% -10%, rgba(236,72,153,.22), transparent 60%),
    radial-gradient(700px 380px at 0% 0%, rgba(124,58,237,.18), transparent 60%),
    linear-gradient(160deg, #F3E8FF 0%, var(--bg) 75%);
  padding: 56px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; margin: 0 0 14px; padding: 5px 14px; border-radius: 999px; background: #fff;
  color: var(--brand-700); font-weight: 600; font-size: 14px; box-shadow: inset 0 0 0 1px var(--line); }
.hero h1 { font-size: clamp(38px, 5vw, 58px); letter-spacing: -.5px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: 4px; }
.slogan { font-size: 20px; color: var(--ink); margin: 10px 0 4px; }
.today-line { color: var(--muted); margin: 0 0 26px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 26px; max-width: 520px; }
.stat { background: #fff; border-radius: 14px; padding: 14px 16px; text-decoration: none; box-shadow: var(--shadow);
  border-top: 3px solid var(--brand-500); transition: transform .15s; }
.stat:first-child { border-top-color: var(--accent); }
.stat:hover { transform: translateY(-2px); }
.stat b { display: block; font: 700 32px/1.1 var(--font-head); color: var(--brand-900); }
.stat span { font-size: 14px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.dean-card { margin: 0; background: #fff; border-radius: 24px; padding: 14px; box-shadow: var(--shadow); }
.dean-photo { aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: var(--brand-50); }
.dean-photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-placeholder { width: 100%; height: 100%; display: grid; place-items: center; color: var(--brand-500); font-size: 96px; }
.dean-card figcaption { padding: 16px 8px 6px; border-left: 4px solid var(--accent); margin: 14px 4px 4px; padding: 2px 0 2px 14px; }
.dean-card figcaption strong { display: block; font-family: var(--font-head); font-size: 19px; color: var(--ink); }
.dean-card figcaption span { color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.kicker { margin: 0 0 2px; font-size: 13px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); }
.section h2 { font-size: clamp(26px, 3vw, 34px); color: var(--brand-900); }
.section-sub { margin: 0; color: var(--muted); }

/* ---------- Mission cards ---------- */
.mission-list { display: grid; gap: 12px; }
.mission { display: flex; gap: 18px; background: var(--card); border-radius: 16px; padding: 18px 20px;
  box-shadow: var(--shadow); border-left: 5px solid var(--type); }
.section-alt .mission { box-shadow: inset 0 0 0 1px var(--line); }
.mission.is-now { box-shadow: 0 0 0 2px #DC2626, var(--shadow); }
.mission-time { flex: none; width: 74px; }
.mission-time strong { display: block; font: 600 20px var(--font-head); color: var(--ink); }
.mission-time span { font-size: 14px; color: var(--muted); }
.mission-body { flex: 1; min-width: 0; }
.mission-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.mission h3 { font-size: 18px; font-weight: 600; word-break: break-word; }
.mission-meta { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.mission-meta span { display: inline-flex; align-items: center; gap: 6px; }
.mission-meta svg { color: var(--brand-500); flex: none; }
.mission-note { margin: 10px 0 0; padding: 8px 12px; background: var(--bg); border-radius: 10px; font-size: 15px; color: var(--muted); }

.empty { text-align: center; padding: 48px 20px; color: var(--muted); background: var(--card); border-radius: var(--radius);
  border: 1.5px dashed var(--line); }
.empty svg { font-size: 40px; color: var(--brand-500); }
.empty p { margin: 8px 0 0; }

/* ---------- Calendar ---------- */
.cal-nav { display: flex; align-items: center; gap: 10px; }
.cal-nav strong { font: 600 18px var(--font-head); min-width: 150px; text-align: center; }
.icon-btn { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--bg);
  text-decoration: none; color: var(--ink); font-size: 22px; box-shadow: inset 0 0 0 1px var(--line); }
.icon-btn:hover { background: var(--brand-50); color: var(--brand-700); }
.link-sm { font-size: 14px; }
.calendar { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.cal-dow { text-align: center; font-weight: 600; font-size: 14px; color: var(--muted); padding: 6px 0; }
.cal-dow.weekend { color: var(--accent); }
.cal-cell { min-height: 112px; border-radius: 12px; padding: 8px; background: var(--bg); text-decoration: none; color: var(--ink);
  display: flex; flex-direction: column; gap: 3px; overflow: hidden; transition: background .15s, box-shadow .15s; }
.cal-cell.blank { background: transparent; }
a.cal-cell:hover { background: var(--brand-50); box-shadow: inset 0 0 0 1.5px var(--brand-500); }
.cal-day { font-weight: 600; font-size: 15px; }
.cal-cell.is-today { background: var(--accent-50); box-shadow: inset 0 0 0 2px var(--accent); }
.cal-cell.is-today .cal-day { color: #fff; background: var(--accent); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; }
.cal-item { font-size: 12.5px; line-height: 1.35; padding: 2px 6px; border-radius: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: color-mix(in srgb, var(--type) 13%, white); color: color-mix(in srgb, var(--type) 80%, black); border-left: 3px solid var(--type); }
.cal-more { font-size: 12px; color: var(--muted); padding-left: 4px; }
.cal-dots { display: none; gap: 3px; margin-top: auto; }
.cal-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--type); }
.legend { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 4px; background: var(--type); }

/* ---------- List / filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 24px; padding: 12px;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow); }
.seg { display: inline-flex; background: var(--bg); padding: 4px; border-radius: 10px; }
.seg a { padding: 7px 14px; border-radius: 8px; text-decoration: none; color: var(--muted); font-weight: 500; font-size: 15px; }
.seg a.active { background: #fff; color: var(--brand-700); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.filters input[type=search], .filters select { font: 16px var(--font-body); padding: 9px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); }
.filters input[type=search] { flex: 1; min-width: 180px; }
.filters input:focus, .filters select:focus { outline: 2px solid var(--brand-500); outline-offset: 1px; }
.day-filter { margin: -8px 0 18px; color: var(--muted); }
.day-group { margin-bottom: 28px; }
.day-title { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--brand-900); }
.date-badge { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 12px; background: var(--grad); color: #fff;
  font: 500 12px/1.1 var(--font-body); flex: none; }
.date-badge b { font: 700 20px/1 var(--font-head); }

/* ---------- Message ---------- */
.message { margin: 0 auto; max-width: 820px; text-align: center; font-size: 20px; color: var(--ink); position: relative; padding-top: 40px; }
.message::before { content: '“'; position: absolute; top: -20px; left: 50%; transform: translateX(-50%); font: 700 90px/1 var(--font-head); color: var(--accent); }
.message footer { margin-top: 14px; font-size: 16px; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: linear-gradient(120deg, #3B0F7A, #6D1C8C 60%, #9D1767); color: rgba(255,255,255,.85); padding: 40px 0 20px; font-size: 15px; }
.site-footer a { color: #fff; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-grid p { margin: 4px 0 0; }
.contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 28px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.15); font-size: 14px; }
.footer-bottom a { color: rgba(255,255,255,.7); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .dean-card { max-width: 460px; }
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0,0,0,.06); display: none; }
  .nav.open { display: flex; }
  .nav .nav-cta { margin: 6px 0 0; text-align: center; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 36px 0 44px; }
  .brand small { max-width: 220px; }
  .stats { gap: 8px; }
  .stat { padding: 12px; }
  .stat b { font-size: 26px; }
  .section { padding: 44px 0; }
  .mission { flex-direction: column; gap: 6px; padding: 16px; }
  .mission-time { width: auto; display: flex; align-items: baseline; gap: 8px; }
  .mission-time strong { font-size: 17px; }
  .calendar { gap: 3px; }
  .cal-cell { min-height: 54px; padding: 5px; align-items: center; }
  .cal-item, .cal-more { display: none; }
  .cal-dots { display: flex; }
  .cal-day { font-size: 14px; }
  .cal-nav strong { min-width: 0; font-size: 16px; }
  .filters { padding: 10px; }
  .seg { width: 100%; }
  .seg a { flex: 1; text-align: center; padding: 7px 6px; font-size: 14px; }
}

/* ภารกิจหลายวัน */
.chip-range { --type: #0F766E; }

/* โลโก้หน้าหัวข้อ */
.hero-title { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-logo { height: 1.15em; width: auto; max-width: 96px; object-fit: contain; flex: none; }

/* ปุ่มเข้าสู่ระบบ มุมขวาบน */
.nav { margin-left: auto; }
.login-btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px; text-decoration: none; flex: none;
  font: 600 15px var(--font-body, 'Sarabun', sans-serif); color: #fff; background: var(--brand-700); box-shadow: 0 4px 12px rgba(124,58,237,.28);
  transition: background .15s, transform .15s, box-shadow .15s; }
.login-btn:hover { background: var(--brand-900); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(76,29,149,.32); }
.login-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 960px) {
  .login-btn { order: 2; margin-left: auto; padding: 8px 14px; }
  .nav-toggle { order: 3; margin-left: -6px; }
}
@media (max-width: 400px) {
  .login-btn span { display: none; }
  .login-btn { padding: 9px; }
}