/* v7.8.0: gallery with videos, testimonials, AI demo, alumni portal, admin media tools */
:root{--cm-green:#123b2a;--cm-green2:#1f6345;--cm-gold:#d6a83c;--cm-line:#dbe5df;--cm-soft:#f3f8f5;--cm-ink:#17261f;--cm-muted:#5b6e64}
.cm-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.cm-btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font:700 15px/1 inherit;cursor:pointer;background:var(--cm-gold);color:#1a1405;text-decoration:none}
.cm-btn.ghost{background:#fff;color:var(--cm-green);border:1.5px solid var(--cm-green2)}
.cm-btn:focus-visible,.cg-slide button:focus-visible,.cg-card:focus-visible,.cg-thumb:focus-visible,.dm button:focus-visible{outline:3px solid #2563eb;outline-offset:2px}

/* ---------- gallery additions (the original collection cards, album window and viewer are unchanged) ---------- */
.g-card video{width:100%;height:100%;object-fit:cover;display:block;background:#0b2a1d}
.g-play{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:2;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;padding-left:4px;background:rgba(255,255,255,.92);color:#123b2a;font-size:20px;box-shadow:0 6px 18px rgba(0,0,0,.4);pointer-events:none;transition:transform .25s}
.g-card:hover .g-play,.g-card:focus-visible .g-play{transform:translate(-50%,-50%) scale(1.12)}
.lb video.lb-video{max-width:min(92vw,1100px);max-height:78vh;border-radius:12px;box-shadow:0 20px 60px #000;background:#000}
.collection-card video.collection-cover{background:#0b2a1d}

/* gallery layout: slideshow left, collection cards right (stacked on phones) */
.gal-stats{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 0 22px}
.gal-stats span{display:inline-flex;align-items:baseline;gap:6px;padding:8px 15px;border-radius:99px;border:1px solid #ffffff2e;background:linear-gradient(135deg,#ffffff14,#ffffff05);color:#d4e4da;font-size:13px;backdrop-filter:blur(6px)}
.gal-stats b{color:#f3d98a;font:800 18px/1 'Space Mono',monospace}
.gal-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;align-items:start;text-align:left}
.gal-layout .g-collections{margin:0}
@media(min-width:1000px){
.gal-layout{grid-template-columns:minmax(320px,.92fr) minmax(0,1.5fr);gap:32px}
.gal-layout .cs{position:sticky;top:90px}
.gal-layout .cs-stage{height:clamp(400px,44vw,560px)}
.gal-layout .g-collections{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
}

/* random photo slideshow: whole photo always visible (no cropping of heads) */
.cs{width:100%;margin:0 auto}
.cs-head{display:flex;justify-content:space-between;align-items:center;margin:0 4px 10px}
.cs-eyebrow{color:var(--gold,#d6a83c);font:700 11px/1 'Space Mono',monospace;letter-spacing:3px}
.cs-count{color:#b9cfc2;font:700 12px/1 'Space Mono',monospace;letter-spacing:1px}
.cs-stage{position:relative;height:clamp(250px,64vw,420px);border-radius:22px;overflow:hidden;background:#06140e;border:1px solid #ffffff2b;box-shadow:0 22px 50px #000a,0 0 0 6px #ffffff08}
.cs-frame{position:absolute;inset:0;border:0;padding:0;margin:0;background:none;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .8s ease,visibility .8s}
.cs-frame.on{opacity:1;visibility:visible;z-index:1}
.cs-bg{position:absolute;inset:-26px;background-size:cover;background-position:center;filter:blur(24px) brightness(.5) saturate(1.15)}
.cs-frame img{position:relative;display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 8px 24px #0009)}
.cs-over{position:absolute;left:0;right:0;bottom:0;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:10px;padding:54px 16px 20px;background:linear-gradient(transparent,#020a06e6);color:#fff;pointer-events:none;text-align:left}
.cs-over b{display:block;font-size:17px;line-height:1.2;text-shadow:0 2px 10px #000a}
.cs-over small{display:block;margin-top:3px;color:#c9dccf;font-size:12.5px}
.cs-open{flex:none;padding:7px 12px;border-radius:99px;border:1px solid #ffffff4d;background:#ffffff1f;font-size:12px;font-weight:700;backdrop-filter:blur(6px)}
.cs-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid #ffffff55;background:#0c241acc;color:#fff;font-size:22px;line-height:1;cursor:pointer;backdrop-filter:blur(6px);transition:background .2s,color .2s}
.cs-nav:hover{background:var(--gold,#d6a83c);color:#10200f;border-color:var(--gold,#d6a83c)}
.cs-prev{left:10px}.cs-next{right:10px}
.cs-dots{position:absolute;right:14px;top:14px;z-index:3;display:flex;gap:5px;pointer-events:none;padding:6px 9px;border-radius:99px;background:#02080566}
.cs-dots i{width:6px;height:6px;border-radius:50%;background:#ffffff66;transition:all .3s}.cs-dots i.on{width:18px;border-radius:6px;background:#f3d98a}
.cs-prog{position:absolute;left:0;bottom:0;z-index:4;height:3px;width:100%;background:linear-gradient(90deg,#d6a83c,#f6e3a0);transform:scaleX(0);transform-origin:left;pointer-events:none}
.cs-prog.run{animation:cs-run 5.2s linear forwards}
.cs:hover .cs-prog,.cs:focus-within .cs-prog{animation-play-state:paused}
@keyframes cs-run{to{transform:scaleX(1)}}
.cs button:focus-visible{outline:3px solid #2563eb;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.cs-frame{transition:none}.g-play{transition:none}.cs-prog{display:none}}

/* the album window's guide takes too much room on phones: hide it there */
@media(max-width:700px){.gallery-guide{display:none !important}}

/* ---------- testimonials ---------- */
.cm-stories{padding-bottom:50px}
.cm-t-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.cm-t-card{background:#fff;border-radius:18px;padding:22px;box-shadow:0 10px 26px rgba(18,59,42,.1);border:1px solid var(--cm-line);display:flex;flex-direction:column;gap:14px;position:relative}
.cm-t-card::before{content:"“";position:absolute;top:6px;right:16px;font:700 64px/1 Georgia,serif;color:var(--cm-gold);opacity:.5}
.cm-t-card blockquote{margin:0;font-size:16px;line-height:1.65;color:var(--cm-ink)}
.cm-t-card figcaption{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:14px}
.cm-t-card .av{width:38px;height:38px;border-radius:50%;background:var(--cm-green2);color:#fff;display:grid;place-items:center;font-weight:800}
.cm-t-card small{display:block;color:var(--cm-muted)}
.cm-t-empty{padding:26px;border:1.5px dashed var(--cm-line);border-radius:16px;color:var(--cm-muted);background:#fff}
.cm-say{margin-top:22px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cm-say p{margin:0;color:var(--cm-muted)}
.cm-form{display:grid;gap:12px}
.cm-form label{display:grid;gap:5px;font-weight:700;font-size:14px;color:var(--cm-green)}
.cm-form input,.cm-form select,.cm-form textarea{border:1.5px solid var(--cm-line);border-radius:10px;padding:12px;font:inherit;font-weight:400;color:var(--cm-ink);background:#fff}
.cm-form textarea{min-height:120px;resize:vertical}
.cm-count{font-weight:400;color:var(--cm-muted);font-size:12px;text-align:right}
.cm-hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.cm-msg{min-height:20px;font-size:14px;margin:0}.cm-msg.ok{color:#15803d}.cm-msg.bad{color:#b91c1c}
.cm-modal-wrap{position:fixed;inset:0;z-index:92;background:rgba(5,16,11,.7);display:grid;place-items:center;padding:16px}
.cm-modal-box{background:#fff;border-radius:20px;width:min(520px,100%);max-height:92vh;overflow:auto;padding:24px}
.cm-modal-box h3{margin:0 0 6px;color:var(--cm-green);font-size:22px}.cm-modal-box>p{margin:0 0 14px;color:var(--cm-muted)}

/* ---------- AI demo ---------- */
.dm-sec{padding-bottom:60px}.dm-em{color:var(--cm-green2)}
.dm{background:#fff;border:1px solid var(--cm-line);border-radius:22px;padding:18px;box-shadow:0 18px 40px rgba(18,59,42,.12)}
.dm-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.dm-pick,.dm-tabs{display:flex;gap:8px;flex-wrap:wrap}
.dm-chip,.dm-tab{border:1.5px solid var(--cm-line);background:#fff;color:var(--cm-green);border-radius:99px;padding:9px 14px;font:700 14px/1 inherit;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.dm-chip[aria-pressed="true"],.dm-tab[aria-selected="true"]{background:var(--cm-green);color:#fff;border-color:var(--cm-green)}
.dm-stage{display:grid;grid-template-columns:minmax(230px,.8fr) 1.7fr;gap:16px}
@media(max-width:820px){.dm-stage{grid-template-columns:1fr}}
.dm-chat{background:var(--cm-soft);border-radius:16px;padding:14px;display:flex;flex-direction:column;min-height:260px}
.dm-who{display:flex;gap:10px;align-items:center;padding-bottom:10px;border-bottom:1px solid var(--cm-line)}
.dm-face{width:40px;height:40px;border-radius:50%;background:var(--cm-green2);display:grid;place-items:center;font-size:20px;animation:dm-wave 3s ease-in-out infinite}
.dm-who small{display:block;color:var(--cm-muted)}
.dm-msgs{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px;padding-top:12px;max-height:280px}
.dm-msg{max-width:92%;padding:10px 13px;border-radius:14px;font-size:14.5px;line-height:1.5;animation:dm-rise .35s ease-out}
.dm-msg.me{align-self:flex-end;background:var(--cm-green);color:#fff;border-bottom-right-radius:4px}
.dm-msg.buddy{align-self:flex-start;background:#fff;border:1px solid var(--cm-line);border-bottom-left-radius:4px}
.dm-dots{display:inline-flex;gap:4px}.dm-dots i{width:7px;height:7px;border-radius:50%;background:var(--cm-green2);animation:dm-dot 1s infinite}.dm-dots i:nth-child(2){animation-delay:.15s}.dm-dots i:nth-child(3){animation-delay:.3s}
.dm-panel{background:#fbfdfc;border:1px solid var(--cm-line);border-radius:16px;padding:12px;min-height:300px;display:flex;flex-direction:column}
.dm-board-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font:700 12px/1 'Space Mono',monospace;letter-spacing:1px;color:var(--cm-muted);margin-bottom:8px}
.dm-board{width:100%;height:auto;background:#fff;border-radius:12px;border:2px solid #cbd5d0;background-image:linear-gradient(#eef3f0 1px,transparent 1px);background-size:100% 28px}
.dm-narr{margin:10px 2px 0;font-size:15px;font-weight:700;color:var(--cm-green);min-height:22px}
.dm-stroke{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .8s ease-in-out}.dm-stroke.go{stroke-dashoffset:0}
.dm-write{opacity:0;transition:opacity .6s ease;font-family:'Segoe Print','Comic Sans MS','Bradley Hand',cursive}.dm-write.go{opacity:1}
.dm-instant .dm-stroke,.dm-instant .dm-write{transition:none}
.dm-pen{opacity:0;transition:transform .55s cubic-bezier(.4,0,.2,1),opacity .3s;pointer-events:none}.dm-pen.on{opacity:1}
.dm-story{display:grid;gap:12px;padding:4px}
.dm-story p{margin:0;display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--cm-line);opacity:0;transform:translateY(10px);transition:all .5s ease;font-size:15.5px;line-height:1.6}
.dm-story p.on{opacity:1;transform:none}.dm-ico{font-size:26px}
.dm-quiz{padding:6px;display:grid;gap:12px}.dm-q{margin:0;font-size:18px;font-weight:700;color:var(--cm-green)}
.dm-opts{display:grid;gap:8px}
.dm-opt{text-align:left;border:1.5px solid var(--cm-line);background:#fff;border-radius:12px;padding:13px 14px;font:600 15px/1.3 inherit;cursor:pointer;color:var(--cm-ink);transition:border-color .2s,background .2s}
.dm-opt:hover:not(:disabled){border-color:var(--cm-green2);background:var(--cm-soft)}
.dm-opt.good{background:#dcfce7;border-color:#16a34a}.dm-opt.bad{background:#fee2e2;border-color:#dc2626}
.dm-fb{margin:0;font-size:15px;line-height:1.55;min-height:24px}.dm-score{font-size:22px;font-weight:800;margin:0;color:var(--cm-green)}
.dm-btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:10px;padding:10px 14px;font:700 14px/1 inherit;cursor:pointer;background:var(--cm-gold);color:#1a1405;margin-left:6px}
.dm-btn.small{padding:8px 11px;font-size:12px;margin:0}
.dm-wave{display:flex;gap:5px;align-items:center;justify-content:center;height:64px;margin:6px 0 10px}
.dm-wave i{width:6px;height:10px;border-radius:4px;background:var(--cm-green2);opacity:.45}
.dm-wave.on i{animation:dm-bar .8s ease-in-out infinite;opacity:1}
.dm-wave i:nth-child(3n){animation-delay:.12s}.dm-wave i:nth-child(3n+1){animation-delay:.27s}.dm-wave i:nth-child(4n){animation-delay:.4s}
.dm-listen{font-size:19px;line-height:1.8;padding:6px 8px;margin:0;color:#7b8c83}
.dm-listen span{transition:color .2s,background .2s;border-radius:5px;padding:1px 2px}.dm-listen .read{color:var(--cm-ink)}.dm-listen .now{background:#fde68a;color:#111}
.dm-foot{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--cm-muted)}.dm-foot .dm-btn{margin:0}
@keyframes dm-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes dm-dot{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-4px);opacity:1}}
@keyframes dm-bar{0%,100%{height:10px}50%{height:52px}}
@keyframes dm-wave{0%,100%{transform:rotate(-6deg)}50%{transform:rotate(8deg)}}
@media(prefers-reduced-motion:reduce){.dm-face,.dm-msg,.dm-dots i,.dm-wave.on i{animation:none}.dm-story p,.dm-stroke,.dm-write{transition:none}}

/* ---------- login switch ---------- */
.seg{display:flex;gap:6px;background:#eef3f0;border-radius:12px;padding:4px;margin:6px 0 10px}
.seg button{flex:1;border:0;background:transparent;border-radius:9px;padding:10px;font:700 14px/1 inherit;cursor:pointer;color:#355a49}
.seg button.on{background:#fff;color:#123b2a;box-shadow:0 2px 8px rgba(18,59,42,.15)}

/* ---------- alumni portal & admin tools ---------- */
.al-hero{display:flex;gap:18px;align-items:center;padding:22px;border-radius:18px;background:linear-gradient(130deg,#0d3022,#236044);color:#fff;margin-bottom:16px;flex-wrap:wrap}
.al-hero h3{margin:0 0 4px;font-size:24px}.al-hero p{margin:0;opacity:.92}
.al-cap{font-size:54px}
.al-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.al-item{padding:12px 0;border-bottom:1px solid var(--cm-line)}.al-item:last-child{border:0}
.al-item b{display:block}.al-item small{color:var(--cm-muted)}
.al-rsvp{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.al-rsvp button[aria-pressed="true"]{background:var(--cm-green);color:#fff}
.cm-admin-box{border:1px solid var(--cm-line);border-radius:14px;padding:14px;margin:12px 0;background:#fbfdfc}
.cm-rules{font-size:13px;color:var(--cm-muted);line-height:1.6}.cm-rules b{color:var(--cm-green)}
.cm-bar{height:8px;border-radius:99px;background:#e4ebe7;overflow:hidden;margin:8px 0}.cm-bar span{display:block;height:100%;background:var(--cm-green2);width:0;transition:width .2s}
.cm-lib{width:100%;border-collapse:collapse;font-size:14px}.cm-lib td,.cm-lib th{padding:8px;border-bottom:1px solid var(--cm-line);text-align:left;vertical-align:middle}
.cm-lib img,.cm-lib video{width:54px;height:40px;object-fit:cover;border-radius:6px;background:#0b2a1d}
.cm-pill{display:inline-block;border-radius:99px;padding:3px 9px;font-size:12px;font-weight:700;background:#e4ebe7;color:#123b2a}
.cm-pill.warn{background:#fdf0d0;color:#6b4b05}.cm-pill.ok{background:#dcfce7;color:#166534}.cm-pill.bad{background:#fee2e2;color:#991b1b}
.cm-tcard{border:1px solid var(--cm-line);border-radius:14px;padding:14px;margin:10px 0;background:#fff}
.cm-tcard.pending{border-left:5px solid var(--cm-gold)}
.cm-tcard p{margin:6px 0 10px;white-space:pre-wrap}
@media(max-width:700px){.cm-lib .hide-s{display:none}}

/* ---------- admin: collapsible rules and tidy checkboxes ---------- */
.cm-more{border:1px solid var(--cm-line);border-radius:12px;background:#fbfdfc;margin:8px 0}
.cm-more>summary{cursor:pointer;padding:10px 14px;font-weight:700;font-size:13.5px;color:var(--cm-green);list-style:none;display:flex;align-items:center;gap:8px}
.cm-more>summary::-webkit-details-marker{display:none}
.cm-more>summary::after{content:"▾";margin-left:auto;transition:transform .2s}
.cm-more[open]>summary::after{transform:rotate(180deg)}
.cm-more>div{padding:0 14px 12px}
.cm-more code{background:#eef3f0;border-radius:6px;padding:2px 6px;font-size:12.5px;word-break:break-all}
.form label.cm-check,label.cm-check{display:flex !important;flex-direction:row;align-items:flex-start;gap:10px;font-weight:600;font-size:14px;line-height:1.4;color:var(--cm-ink)}
label.cm-check input[type=checkbox]{width:18px !important;height:18px;min-width:18px;margin:2px 0 0;padding:0;flex:none}

/* ---------- lecturer lists grouped by day (CAs and assignments) ---------- */
.tg-day{border:1px solid var(--cm-line,#dbe5df);border-radius:14px;background:#fff;margin:10px 0;overflow:hidden}
.tg-day>summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;list-style:none;background:#f3f8f5;color:#123b2a}
.tg-day>summary::-webkit-details-marker{display:none}
.tg-day>summary span{font-size:13px;color:#5b6e64;font-weight:600}
.tg-day>summary::after{content:"▾";margin-left:8px;transition:transform .2s;color:#1f6345}
.tg-day[open]>summary::after{transform:rotate(180deg)}
.tg-day-body{padding:4px 14px 8px}
.tg-day-body .tg-record{margin:0}
.tg-actions .btn.danger{background:#b42333;color:#fff;border-color:#b42333}