.site-header[data-v-99164781]{display:flex;justify-content:space-between;align-items:center;padding:.5rem 1rem;background-color:var(--header-footer-bg);color:var(--primary-text);position:sticky;top:0;z-index:1000;padding:8px 16px;border-bottom:1px solid var(--secondary-accent)}.site-title[data-v-99164781]{margin:0}.site-logo[data-v-99164781]{height:24px}.header-left[data-v-99164781],.header-right[data-v-99164781]{display:flex;align-items:center;gap:1rem}.dark-toggle[data-v-99164781]{display:flex;align-items:center;gap:.3rem;cursor:pointer;font-size:1rem}.dark-toggle input[data-v-99164781]{display:none}.dark-toggle span[data-v-99164781]{width:30px;height:14px;background:var(--primary-accent);border-radius:7px;position:relative;border:2px solid var(--secondary-accent)}.dark-toggle span[data-v-99164781]:before{content:"";position:absolute;width:12px;height:12px;top:1px;left:1px;background:var(--secondary-accent);border-radius:50%;transition:.2s}.dark-toggle input:checked+span[data-v-99164781]:before{transform:translate(16px)}.placeholder-sandwich[data-v-99164781]{font-size:1.5rem;cursor:pointer}.footer[data-v-84261f7b]{background:var(--header-footer-bg);color:var(--primary-text);text-align:center;padding:.5rem 1rem;font-size:.9rem;margin-top:auto}:root{--bg-colour: #F8F9FB;--header-footer-bg: #315C8C;--card-bg: #FFFFFF;--quest-bg-low: #CDFEEB;--quest-bg-high: #88E0D0;--cruise-bg-low: #FFF5E6;--cruise-bg-high: #FFE0B3;--quest-bg-low-rgb: 205, 254, 235, .1;--quest-bg-high-rgb: 136, 224, 208, .3;--cruise-bg-low-rgb: 255, 245, 230, .3;--cruise-bg-high-rgb: 255, 224, 179, .5;--primary-accent: #315C8C;--secondary-accent: #cdebfe;--hover-accent: #EBF7FF;--lesson-accent: #CDFEEB;--system-accent: #DDD;--error-accent: #FCC;--button-accent: #BBB;--font-heading: "Exo", sans-serif;--font-body: "Sora", sans-serif;--font-quest: "Titillium Web", sans-serif;--font-cruise: "IBM Plex Serif", serif;--text-colour: #333;--primary-text: #F8F9FB;--secondary-text: #666;--quest-text: #333;--cruise-text: #333;--border-colour: var(--primary-accent)}[data-theme=dark]{--bg-colour: #121212;--header-footer-bg: #1A1A1A;--card-bg: #1E1E1E;--quest-bg-low: #0F3B34;--quest-bg-high: #166655;--cruise-bg-low: #4B3B1D;--cruise-bg-high: #735C2E;--quest-bg-low-rgb: 15, 59, 52, .1;--quest-bg-high-rgb: 22, 102, 85, .3;--cruise-bg-low-rgb: 75, 59, 29, .2;--cruise-bg-high-rgb: 115, 92, 46, .4;--primary-accent: #3A3A3A;--secondary-accent: #2A2A2A;--hover-accent: #1A1A1A;--lesson-accent: #1A2A1A;--system-accent: #333;--error-accent: #300;--button-accent: #555;--font-heading: "Exo", sans-serif;--font-body: "Sora", sans-serif;--font-quest: "Titillium Web", sans-serif;--font-cruise: "IBM Plex Serif", serif;--text-colour: #EEE;--primary-text: #EEE;--secondary-text: #AAA;--quest-text: #E0F7F4;--cruise-text: #FBE7C6;--border-colour: #E0E0E0;--video-filter: invert(1) hue-rotate(180deg)}body{font-family:var(--font-body);margin:0;background:var(--bg-colour);color:var(--text-colour)}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:500}p,li{line-height:1.8}a{color:var(--primary-accent);text-decoration:none;font-weight:500;transition:color .2s ease}a:hover{text-decoration:underline}a:visited{color:var(--primary-accent)}