:root{--bg: #F7FAFC;--surface: #FFFFFF;--text: #0F172A;--muted: #64748B;--border: #E5E7EB;--accent: #3B82F6;--accent-ghost: rgba(59,130,246,.1);--accent-ring: rgba(59,130,246,.35);--success: #10B981;--warn: #F59E0B;--danger: #EF4444;--radius: 14px;--shadow: 0 8px 24px rgba(2,6,23,.06), 0 1px 0 rgba(2,6,23,.04);--font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;--space-1: 6px;--space-2: 10px;--space-3: 14px;--space-4: 18px;--space-5: 24px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);color:var(--text);background:linear-gradient(180deg,#FBFDFE 0%,var(--bg) 100%);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.topbar{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:10px var(--space-5);display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.brand{font-weight:800;letter-spacing:.2px;background:linear-gradient(90deg,var(--accent),#60A5FA);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:18px}.nav{display:flex;gap:var(--space-3);align-items:center;flex-wrap:wrap}.nav a{color:var(--text);padding:6px 10px;border-radius:10px;transition:background .15s ease}.nav a:hover{background:var(--accent-ghost)}.section{padding:var(--space-5)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.small{font-size:12px;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text);background:var(--accent-ghost);padding:4px 8px;border-radius:999px;border:1px solid var(--border)}input[type=text],input[type=date],input[type=time],input[type=number],select{width:100%;background:#fcfeff;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit;color:var(--text);outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ghost)}button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;cursor:pointer;font:inherit;border-radius:12px;padding:10px 14px;background:var(--accent);color:#fff;font-weight:600;transition:transform .06s ease,box-shadow .15s ease,opacity .15s ease,background .15s ease;box-shadow:0 2px #0206170f,0 0 0 1px #0206170a}button:hover{filter:brightness(1.04)}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-outline:hover{background:var(--accent-ghost);border-color:#d9dde3}.btn-ghost{background:transparent;color:var(--text);border:1px dashed var(--border)}.btn-ghost:hover{background:#fff;border-style:solid}.btn-success{background:var(--success)}.btn-warn{background:var(--warn)}.btn-danger{background:var(--danger)}ul.clean{list-style:none;padding:0;margin:0;display:grid;gap:var(--space-3)}.pool-item{display:grid;gap:var(--space-2)}.pool-header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap}.pool-where{font-weight:600}.pool-when{color:var(--muted)}.hour-block{border:1px solid var(--border);border-radius:12px;padding:var(--space-3);min-width:360px;background:#fff}.picker{border:1px solid var(--border);background:#fbfdff;border-radius:12px;padding:var(--space-3)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.userbox{display:flex;align-items:center;gap:8px}.user-credits{font-size:12px;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:999px;padding:4px 10px}@media (max-width: 720px){.topbar{padding:10px var(--space-3)}.section{padding:var(--space-3)}.hour-block{min-width:auto}}