/* Koffi 4.0 design tokens; retain the cyan/glass identity. */
:root{color-scheme:dark;--bg:#0f172a;--panel:rgba(30,41,59,.72);--cyan:#67e8f9;--muted:#94a3b8;--border:rgba(148,163,184,.18);--radius:22px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#e2e8f0;font-family:system-ui,sans-serif;min-height:100vh;padding-bottom:calc(110px + env(safe-area-inset-bottom));line-height:1.5}
.glass{background:var(--panel);border:1px solid var(--border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
a,button,input,select,summary{touch-action:manipulation}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan)}
h1{font-size:clamp(1.5rem,4vw,2rem);font-weight:800;letter-spacing:-.035em;margin:0 0 20px}h2{font-size:1.1rem;font-weight:700;margin-bottom:12px}h3{font-weight:650}p{line-height:1.6}a{color:var(--cyan)}
.app-header{max-width:980px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:calc(16px + env(safe-area-inset-top)) 18px 16px;gap:12px}.brand{display:flex;align-items:center;gap:8px;font-size:1.35rem;font-weight:850;color:white}.brand img{border-radius:11px}.brand small{font-size:.7rem;color:var(--muted);align-self:flex-end;margin-bottom:5px}
.header-actions{display:flex;align-items:center;gap:10px}.header-actions form{display:flex;align-items:center;gap:4px}.language-select{background:transparent;border:1px solid var(--border);border-radius:12px;padding:8px;font-size:.8rem}.language-go{font-size:.75rem}.account-menu{position:relative}.account-menu summary{cursor:pointer;list-style:none;padding:7px 12px;border:1px solid var(--border);border-radius:12px}.account-panel{position:absolute;right:0;top:45px;width:245px;z-index:80;border-radius:18px;padding:18px;display:grid;gap:14px;background:#1e293b}.account-name{overflow-wrap:anywhere}.account-panel form{display:block}
.app-nav{max-width:700px;margin:0 auto 24px;display:grid;grid-template-columns:repeat(4,1fr);padding:0 12px;gap:5px}.app-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:10px 4px;border-radius:15px;color:var(--muted);font-size:.75rem;font-weight:650}.app-nav a span{font-size:1.25rem}.app-nav a.active{color:var(--cyan);background:rgba(6,182,212,.1);box-shadow:inset 0 0 0 1px rgba(103,232,249,.2)}
.app-main{max-width:700px;padding:0 16px;margin:auto}.app-footer{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;font-size:.75rem;padding:30px 0;color:var(--muted)}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.page-heading h1{margin-bottom:14px}.panel{border-radius:var(--radius);padding:22px;margin-bottom:18px}.panel p{margin-bottom:14px}.panel ul{list-style:disc;padding-left:20px;display:grid;gap:12px}.muted,small{color:var(--muted)}
.nav-tab,.primary-button,.quiet-button,.danger-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:11px 16px;font-size:.9rem;min-height:44px;cursor:pointer;max-width:100%;white-space:normal}.primary-button{background:#22d3ee;color:#083344;font-weight:750;border:1px solid transparent}.primary-button:hover{background:#67e8f9}.nav-tab{background:rgba(51,65,85,.5);border:1px solid var(--border);color:#e2e8f0}.quiet-button{color:var(--muted)}.danger-button{color:#fda4af;border:1px solid #9f1239}.field,input[type=number],input[type=datetime-local],input[type=time],select,textarea{font-size:16px!important}.field{border-radius:13px;background:#162235;padding:12px;border:1px solid #475569;min-width:0}.feature-form{display:grid;gap:12px}.feature-form label{font-size:.9rem;color:#cbd5e1}.feature-form .field{width:100%}.feature-form button{margin-top:10px}.badge{font-size:.6rem;letter-spacing:.1em;border:1px solid #155e75;padding:4px 7px;border-radius:8px;vertical-align:middle}
.info-button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;font-weight:700;color:var(--cyan);border:1px solid var(--border);border-radius:50%;background:rgba(6,182,212,.06)}
.add-drink-fab{position:fixed;right:max(20px,calc((100vw - 900px)/2));bottom:calc(20px + env(safe-area-inset-bottom));z-index:50;display:flex;align-items:center;gap:10px;background:#22d3ee;color:#083344;box-shadow:0 8px 30px #0008;border-radius:100px;padding:10px 20px;font-weight:800;min-width:64px;min-height:64px}.add-drink-fab>span:first-child{font-size:2rem;line-height:1}.fab-text{font-size:.9rem}
.koffi-dialog{border:1px solid #475569;background:#172337;color:#e2e8f0;border-radius:26px;max-width:480px;width:calc(100% - 24px);padding:0;max-height:85dvh;box-shadow:0 20px 80px #0008}.koffi-dialog::backdrop{background:rgba(2,6,23,.75);backdrop-filter:blur(5px)}.dialog-content{padding:26px;overflow-y:auto}.dialog-content p{margin:15px 0;color:#cbd5e1}.dialog-content ul{list-style:disc;padding-left:20px;display:grid;gap:14px;margin-bottom:24px}.dialog-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}body:has(dialog[open]){overflow:hidden}.morning-card{padding:18px;border-radius:20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px}.morning-card>div{flex-basis:100%}.morning-card p{font-size:.85rem;color:var(--muted)}
.install-card{position:fixed;bottom:calc(98px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:min(460px,calc(100% - 24px));padding:20px;background:#1e293b;z-index:60;border-radius:22px;box-shadow:0 10px 40px #0008}.install-card[hidden],[hidden]{display:none!important}.support-card{text-align:center;padding:35px}.support-card small{display:block;margin-top:22px}.support-icon{font-size:3rem}.help-grid{display:grid;grid-template-columns:1fr;gap:4px}.skip-link{position:fixed;top:-100px;z-index:200;padding:12px;background:#22d3ee;color:#083344}.skip-link:focus{top:12px}.barcode-entry{margin-bottom:20px}#scan-video{width:100%;max-height:320px;margin-top:15px;border-radius:15px}.notice{border-left:3px solid var(--cyan);padding-left:14px}
.stats-hero{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:18px}.stat-card{border-radius:20px;padding:20px;min-width:0}.stat-card .stat-value{font-size:clamp(1.5rem,5vw,2rem);font-weight:800;color:#f8fafc;margin-top:8px;letter-spacing:-.04em}.stat-card:first-child{grid-column:1/-1;background:linear-gradient(120deg,rgba(8,145,178,.18),rgba(30,41,59,.8))}.stat-label{font-size:.8rem;color:var(--muted)}.pattern-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;font-size:.85rem}.pattern-grid dt{color:var(--muted)}.pattern-grid dd{font-weight:650;overflow-wrap:anywhere}.category-row{margin-top:16px}.category-label{display:flex;justify-content:space-between;font-size:.8rem}.category-bar{height:6px;background:#334155;border-radius:6px;margin-top:6px;overflow:hidden}.category-fill{height:100%;background:#22d3ee;border-radius:6px}.heat-month{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px}.heat-day{aspect-ratio:1;border-radius:11px;background:#33415555;display:flex;align-items:center;justify-content:center;font-size:.8rem;color:#e2e8f0;border:1px solid var(--border)}.heat-day.level-1{background:#164e63}.heat-day.level-2{background:#155e75}.heat-day.level-3{background:#0e7490}.heat-day.level-4{background:#0891b2}.heat-day.free-day{box-shadow:inset 0 0 0 2px #a5b4fc}.heat-weekday{text-align:center;font-size:.7rem;color:var(--muted);padding:6px 0}.heat-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.year-heatmap{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.year-month{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;margin-bottom:12px}.year-month a{aspect-ratio:1;border-radius:3px;font-size:0;min-height:0}.year-month-title{grid-column:1/-1;font-size:.65rem;color:var(--muted);padding:4px 0}
.insight-card{border-top:1px solid var(--border);padding:18px 0}.insight-meta{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0;font-size:.7rem;color:var(--muted)}.insight-pill{border:1px solid var(--border);border-radius:30px;padding:5px 10px}.insight-stage{font-size:.8rem;color:#a5b4fc}.insight-strength{height:5px;border-radius:8px;background:#334155;margin-top:10px;max-width:160px}.insight-strength span{display:block;background:#94a3b8;height:100%;border-radius:8px}.insight-details{font-size:.8rem;color:var(--muted);margin-top:14px}.insight-caution{font-size:.8rem;color:var(--muted)}
@media(max-width:480px){.koffi-dialog{position:fixed;bottom:0;margin:auto auto 0;max-width:none;width:100%;border-radius:26px 26px 0 0;padding-bottom:env(safe-area-inset-bottom)}.fab-text{display:none}.add-drink-fab{padding:12px;justify-content:center}.app-header{padding-left:16px;padding-right:16px}.panel{padding:18px}.year-heatmap{grid-template-columns:repeat(2,1fr)}}
@media(min-width:750px){.help-grid{grid-template-columns:1fr 1fr}.stats-hero{grid-template-columns:repeat(4,minmax(0,1fr))}.stat-card:first-child{grid-column:span 2}.app-nav a{flex-direction:row;gap:8px;font-size:.85rem}.app-main{max-width:760px}.app-nav{max-width:760px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}