.icd-header-row{display:grid;grid-template-columns:clamp(220px,19vw,300px) minmax(0,1fr) clamp(220px,19vw,300px);gap:16px;align-items:stretch;margin:0 0 28px;padding:16px 0;border-top:4px double #1a1a1a;border-bottom:4px double #1a1a1a}
.icd-header-panel{display:flex;flex-direction:column;justify-content:center;background:#102c49;color:#fff!important;padding:20px;border-radius:8px;text-decoration:none!important;font-family:Arial,sans-serif;text-align:center;min-height:170px}
.icd-header-panel span{font-size:10px;font-weight:800;letter-spacing:.1em}.icd-header-panel strong{font-family:Georgia,serif;font-size:28px;line-height:1.15;margin:12px 0 6px}.icd-header-panel p{font-size:14px;line-height:1.4;margin:5px 0 14px}.icd-header-panel b{background:#f4c253;color:#102c49;border-radius:5px;padding:10px;font-size:13px}.icd-header-panel:hover,.icd-header-panel:focus{background:#164572;outline:2px solid #c39b36;outline-offset:2px}
.icd-header-centre{min-width:0;display:flex;align-items:center;background:#fff0d2;border-radius:8px;padding:16px}
/* Scope the larger artwork to the three-panel Chronicle strip. */
.icd-header-row .icd-header-centre>.cdg-chronicle-crossword{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);align-items:center;text-align:center;gap:14px 22px;border:0!important;background:transparent!important;margin:0;padding:0;width:100%;box-sizing:border-box}
.icd-header-row .cdg-chronicle-crossword-art{grid-column:1;grid-row:1 / 3;display:block;width:100%;max-width:340px;height:auto;max-height:240px;object-fit:contain;justify-self:center;box-sizing:border-box}
.icd-header-row .cdg-chronicle-crossword-grid{grid-column:1;grid-row:1 / 3;justify-self:center}
.icd-header-row .cdg-chronicle-crossword-copy{grid-column:2;min-width:0}.icd-header-row .cdg-chronicle-crossword-copy h3{font-size:clamp(23px,1.8vw,29px);line-height:1.15;margin:8px 0}.icd-header-row .cdg-chronicle-crossword-copy p{font-size:18px;line-height:1.4;margin:0 0 10px}
.icd-header-row .cdg-chronicle-crossword-actions{grid-column:2;justify-content:center}.icd-header-row .cdg-chronicle-crossword-play{white-space:normal;font-size:14px}
.icd-header-spotlight{display:flex;align-items:center;justify-content:center;min-width:0;background:#fff8dc;border-radius:8px;padding:14px}.icd-header-spotlight>.cdg-spotlight-available{width:100%}.icd-header-spotlight .cdg-spotlight-trigger{max-width:100%;width:100%;box-sizing:border-box}
.icd-play{max-width:760px;margin:30px auto;padding:30px;background:#fff;border:1px solid #d8e0e7;border-radius:14px;box-shadow:0 12px 30px #102c4910;color:#152d44;font:17px/1.6 Arial,sans-serif}.icd-play h1{font:700 36px/1.15 Georgia,serif}.icd-play h2{font-size:24px}.icd-kicker{font-size:12px;font-weight:700;letter-spacing:.08em}.icd-play button{background:#102c49;color:white;padding:12px 20px;border:0;border-radius:6px;font-size:17px;cursor:pointer}.icd-play button:disabled{opacity:.6}.icd-play label{display:block;margin:15px 0}.icd-play input:not([type=checkbox]),.icd-play select,.icd-play textarea{display:block;width:100%;padding:12px;border:1px solid #a1b1c0;border-radius:5px;font:inherit;box-sizing:border-box}.icd-play input[type=checkbox]{width:20px;height:20px;vertical-align:middle}.icd-play details{border-top:1px solid #d8e0e7;padding:20px 0}.icd-play summary{font-weight:700;cursor:pointer}.icd-question-text{font-size:24px}.icd-mystery-image{display:block;max-width:100%;max-height:500px;height:auto;object-fit:contain;margin:20px auto}.icd-play [data-icd-timer]{font-size:22px;font-weight:700;color:#9f3b14}.icd-play [data-icd-message]{font-weight:700}.icd-play [hidden]{display:none!important}.icd-thanks{background:#fff6de;padding:12px;border-radius:5px;font-size:15px}
.icd-admin{max-width:1100px}.icd-admin section{background:white;border:1px solid #d8e0e7;padding:22px;margin:22px 0}.icd-admin-form{margin:15px 0}.icd-admin-form label{display:block;margin:14px 0;font-weight:600}.icd-admin-form input:not([type=checkbox]):not([type=hidden]),.icd-admin-form select,.icd-admin-form textarea{display:block;width:100%;max-width:700px;margin:6px 0;padding:8px}.icd-admin-form input[type=checkbox]{margin-right:8px}.icd-admin-form button{margin:5px}.icd-admin td{vertical-align:top}.icd-admin details{padding:15px;border:1px solid #ddd;margin:10px 0}.icd-admin summary{cursor:pointer;font-weight:600}
@media(max-width:1100px){.icd-header-row{grid-template-columns:200px minmax(0,1fr) 200px;gap:12px}.icd-header-panel{padding:14px}.icd-header-panel strong{font-size:25px}.icd-header-centre{padding:14px}.icd-header-spotlight{padding:10px}.icd-header-row .icd-header-centre>.cdg-chronicle-crossword{gap:12px}}
@media(max-width:900px){.icd-header-row{grid-template-columns:1fr}.icd-header-centre{grid-row:2;padding:20px}.icd-header-panel{min-height:0}.icd-header-spotlight{min-height:160px}.icd-header-row .cdg-chronicle-crossword-copy h3{font-size:27px}}
@media(max-width:480px){.icd-header-row .icd-header-centre>.cdg-chronicle-crossword{grid-template-columns:1fr}.icd-header-row .cdg-chronicle-crossword-art,.icd-header-row .cdg-chronicle-crossword-grid{grid-column:1;grid-row:1;max-width:340px}.icd-header-row .cdg-chronicle-crossword-copy,.icd-header-row .cdg-chronicle-crossword-actions{grid-column:1}.icd-header-row .cdg-chronicle-crossword-actions{grid-row:3}.icd-header-row .cdg-chronicle-crossword-copy{grid-row:2}}
@media(max-width:680px){.icd-play{margin:15px 10px;padding:20px}.icd-play h1{font-size:29px}}
.icd-admin [hidden]{display:none!important}.icd-section-picker{display:block;padding:12px 0;font-size:16px;font-weight:700}.icd-section-picker select{display:block;min-width:280px;margin-top:8px;padding:8px}
.icd-picture{max-width:560px;margin:20px auto;overflow:hidden;border-radius:8px}.icd-picture:not(.icd-picture-normal):not(.icd-picture-solved){height:340px}.icd-picture img{display:block;width:100%;height:100%;max-width:100%;object-fit:cover;margin:0;transition:transform .25s,filter .25s}.icd-picture-crop img{transform:scale(2.2)}.icd-picture-tilt img{transform:scale(1.2) rotate(14deg)}.icd-picture-blur img{filter:blur(7px);transform:scale(1.08)}.icd-picture-mix img{transform:scale(2.2) rotate(-14deg)}.icd-picture-solved img{transform:none;filter:none;object-fit:contain;height:auto}.icd-admin #icd-image-preview{display:block;width:min(100%,400px);height:250px;margin:12px 0;background:#e6edf3}.icd-admin #icd-image-preview img{width:100%;height:100%;object-fit:cover}.icd-admin #icd-image-preview.icd-picture-normal img{object-fit:contain}
.icd-portal-menu{max-width:1100px;margin:15px auto;background:#102c49;color:#fff;border-radius:8px;font-family:Arial,sans-serif}.icd-portal-menu summary{cursor:pointer;font-size:18px;font-weight:700;padding:16px}.icd-portal-menu nav{display:flex;gap:10px;flex-wrap:wrap;padding:0 16px 16px}.icd-portal-menu a{color:#102c49!important;background:#fff;padding:10px;border-radius:5px;text-decoration:none;font-weight:700}

/* Welcoming launch screen, scoped to this add-on only. */
.icd-play{box-sizing:border-box;background:linear-gradient(145deg,#f2f9fb,#fff 58%);border-color:#c9dce5;box-shadow:0 16px 40px #102c4914}
.icd-welcome{max-width:900px;padding:0;overflow:hidden}
.icd-welcome-hero{display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:20px;padding:38px 38px 32px;background:linear-gradient(120deg,#102c49,#1b5268);color:#fff;position:relative}
.icd-welcome .icd-kicker{color:#f5cd72;margin:0 0 14px;font-size:12px;letter-spacing:.14em}
.icd-welcome h1{color:#fff;font:700 43px/1.1 Georgia,serif;margin:0 0 20px}
.icd-welcome-copy>p:last-child{color:#e3eff4;margin:0;max-width:410px;font-size:17px;line-height:1.6}
.icd-rink-art{height:245px;position:relative;display:flex;align-items:center;justify-content:center}
.icd-house{width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,#fff 0 12%,#d06c64 12.5% 31%,#ecf5f7 31.5% 49%,#88b8d1 49.5% 67%,#dcecf2 67.5%);transform:rotate(-14deg) scaleY(.8);border:5px solid #ffffff20;box-shadow:0 20px 40px #05162740;position:relative}
.icd-stone{position:absolute;width:98px;height:64px;left:60px;top:85px;border-radius:45% 45% 42% 42%;background:linear-gradient(#b7c6cd,#687e8c);border-bottom:9px solid #506777;box-shadow:7px 14px 12px #16324955;transform:rotate(14deg)}
.icd-stone span{position:absolute;left:21px;top:-18px;width:53px;height:29px;border:10px solid #f2c45f;border-bottom:0;border-radius:20px 20px 0 0;box-sizing:border-box}
.icd-art-question{position:absolute;right:8px;top:0;color:#f5cd72;font:bold 80px/1 Georgia,serif;transform:rotate(12deg)}
.icd-art-letters{position:absolute;left:15px;bottom:0;border-radius:8px;padding:7px 15px;background:#f6edd9;color:#183d53;box-shadow:0 6px 15px #071d3030;font:bold 18px/1.5 Arial,sans-serif;letter-spacing:.2em;transform:rotate(-5deg)}
.icd-welcome-body{padding:30px 38px 20px}
.icd-welcome-status{display:flex;gap:10px;align-items:center;font-size:22px;font-weight:700;line-height:1.3;margin:0 0 12px;color:#15394c}
.icd-status-dot{flex-shrink:0;width:10px;height:10px;border-radius:50%;background:#ad7925;box-shadow:0 0 0 5px #f9eed8}
.icd-welcome-body>p{margin-top:0}
.icd-puzzle-types{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0 20px}
.icd-puzzle-types>div{background:#fff;border:1px solid #d9e6eb;border-radius:12px;padding:20px 12px;text-align:center}
.icd-puzzle-types span{display:inline-flex;justify-content:center;align-items:center;border-radius:10px;background:#eaf3f6;color:#24516a;width:48px;height:48px;font:bold 32px/1 Georgia,serif;margin-bottom:12px}
.icd-puzzle-types .icd-letter-icon{font:700 15px/1 Arial,sans-serif;letter-spacing:1px}
.icd-puzzle-types h2{font:700 17px/1.3 Arial,sans-serif;color:#15394c;margin:0 0 9px}
.icd-puzzle-types p{font-size:14px;line-height:1.5;margin:0;color:#456071}
.icd-welcome-note{font-size:15px;color:#456071}
.icd-chronicle-button{display:inline-flex;align-items:center;gap:22px;padding:13px 20px;border-radius:8px;background:#153d53;color:#fff!important;text-decoration:none!important;font-weight:700;font-size:16px;line-height:1.4}
.icd-chronicle-button:hover{background:#24607a}.icd-chronicle-button:focus-visible{outline:3px solid #ad7925;outline-offset:4px}
.icd-welcome .icd-thanks{margin:24px 0 16px;border:1px solid #eedeb4;background:#fff6df;color:#19394b}.icd-welcome .icd-thanks a{color:#19394b;text-decoration:underline}
.icd-welcome .icd-welcome-credit{font-size:12px;color:#59717f;margin:20px 0 0}
@media(max-width:680px){.icd-welcome{padding:0}.icd-welcome-hero{padding:28px 24px;gap:12px;grid-template-columns:1.4fr 1fr}.icd-welcome h1{font-size:32px}.icd-welcome-copy>p:last-child{font-size:15px}.icd-rink-art{height:180px}.icd-house{width:140px;height:140px}.icd-stone{transform:rotate(14deg) scale(.7);left:22px;top:47px}.icd-art-question{font-size:50px;right:0}.icd-art-letters{font-size:12px;left:0;padding:6px 9px}.icd-welcome-body{padding:24px}.icd-welcome-status{font-size:20px}}
@media(max-width:480px){.icd-welcome-hero{grid-template-columns:1fr}.icd-welcome h1{font-size:35px}.icd-rink-art{height:150px;max-width:250px;width:100%;margin:0 auto}.icd-art-letters{bottom:0}.icd-puzzle-types{grid-template-columns:1fr;gap:10px}.icd-puzzle-types>div{text-align:left;display:grid;grid-template-columns:48px 1fr;gap:0 14px;padding:14px}.icd-puzzle-types span{grid-row:1 / 3;margin:0;align-self:center}.icd-puzzle-types h2{align-self:end;margin-bottom:4px}.icd-puzzle-types p br{display:none}.icd-chronicle-button{display:flex;justify-content:space-between}}

/* Persistent organiser and advertiser branding on all challenge states. */
.icd-live{max-width:960px;padding:32px;overflow:hidden}.icd-brand{background:linear-gradient(120deg,#08284d,#154d6a);color:#fff;border-bottom:4px solid #e9bb55;padding:26px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:-32px -32px 26px}.icd-brand-organiser{display:flex;align-items:center;gap:18px;min-width:0}.icd-brand span{display:block;font:700 10px/1.5 Arial,sans-serif;letter-spacing:.13em;color:#f2ce7a}.icd-brand strong{display:block;font:700 28px/1.2 Georgia,serif;color:#fff;margin:6px 0}.icd-brand p{font:14px/1.5 Arial,sans-serif;margin:8px 0 0;color:#dceaf3}.icd-logo-crop{width:90px;height:90px;flex-shrink:0;overflow:hidden;border-radius:50%}.icd-logo-crop img{width:90px;height:90px;object-fit:fill;clip-path:circle(37% at 50% 48%);transform:scale(1.35);display:block}.icd-brand-sponsor{max-width:240px;border-left:1px solid #ffffff40;padding-left:24px}.icd-brand-sponsor strong{font:700 21px/1.3 Arial,sans-serif}.icd-brand-sponsor a{color:#fff!important;text-decoration:underline;text-underline-offset:4px}.icd-back-link{display:inline-block;font-size:14px;margin-bottom:12px;color:#174a69}.icd-live>h1{font-size:38px;margin:12px 0 18px}.icd-live button{box-shadow:0 4px 10px #102c4920}.icd-live button:hover{background:#245c7b}.icd-play button:focus-visible,.icd-brand a:focus-visible{outline:3px solid #c69b35;outline-offset:4px}.icd-welcome>.icd-brand{margin:0;padding:24px 30px}.icd-welcome-hero{padding-top:28px}
@media(max-width:680px){.icd-live{padding:22px;margin:16px 10px}.icd-brand{margin:-22px -22px 22px;padding:22px;flex-direction:column;align-items:stretch;gap:20px}.icd-brand strong{font-size:24px}.icd-logo-crop{width:72px;height:72px}.icd-logo-crop img{width:72px;height:72px}.icd-brand-sponsor{max-width:none;border-left:0;border-top:1px solid #ffffff40;padding:16px 0 0}.icd-brand-sponsor strong{font-size:20px}.icd-live>h1{font-size:30px}.icd-welcome>.icd-brand{padding:22px}}