:root{color-scheme:light;--bg: #f4f1ea;--paper: #fffefa;--paper-strong: #ffffff;--ink: #1f2a37;--muted: #5a6675;--line: #d5d9e2;--accent: #0d8a79;--accent-strong: #0c6f62;--accent-soft: #d7f2ee;--danger: #bd2d34;--radius-lg: 18px;--radius-md: 12px;--shadow: 0 16px 32px rgba(18, 28, 45, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Trebuchet MS,Segoe UI Variable,Avenir Next,sans-serif;background:radial-gradient(circle at 12% 10%,#dde7ff 0%,transparent 35%),radial-gradient(circle at 90% 80%,#cdeee6 0%,transparent 32%),var(--bg);color:var(--ink);min-height:100vh}.app{max-width:1240px;margin:0 auto;padding:28px 20px 40px}.app-header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}.eyebrow{color:var(--accent-strong);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}h1{font-size:clamp(2rem,4vw,2.7rem);letter-spacing:-.02em}.subhead{margin-top:6px;color:var(--muted);max-width:560px}.primary-button{padding:10px 18px;background:linear-gradient(135deg,var(--accent) 0%,#148f7e 100%);color:#fff;border:0;border-radius:999px;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.primary-button:hover{transform:translateY(-1px);box-shadow:0 8px 18px #0c6f624d}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}.metric-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow)}.metric-card span{display:block;color:var(--muted);font-size:13px}.metric-card strong{display:block;margin-top:6px;font-size:30px}.filters{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow);margin-bottom:18px}.filter-group{display:flex;gap:8px;flex-wrap:wrap}.filters button{padding:6px 12px;border:1px solid var(--line);background:var(--paper-strong);color:var(--muted);border-radius:999px;cursor:pointer}.filters button.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong);font-weight:700}.sort-control{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}.filters select,.detail select,.detail input,.detail textarea,.modal input,.modal textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-family:inherit;font-size:14px;background:#fff;color:var(--ink)}.content{display:grid;grid-template-columns:360px 1fr;gap:16px}.list-panel,.detail-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow)}.list{display:grid;gap:10px}.idea-card-skeleton{background:var(--paper-strong);padding:14px;border:1px solid var(--line);border-radius:var(--radius-md)}.skeleton{border-radius:8px;background:linear-gradient(90deg,#e4e8f0 25%,#f4f6fb 37%,#e4e8f0 63%);background-size:400% 100%;animation:shimmer 1.4s ease-in-out infinite}.skeleton-title{height:20px;width:58%;margin-bottom:10px}.skeleton-line{height:12px;width:100%;margin-bottom:8px}.skeleton-line.short{width:72%;margin-bottom:12px}.skeleton-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.skeleton-chip{height:22px}.detail-skeleton{display:grid;gap:10px}.skeleton-input{height:40px}.skeleton-area{height:96px}.skeleton-actions{height:42px;width:60%}.idea-card{background:var(--paper-strong);padding:14px;border:1px solid var(--line);border-radius:var(--radius-md);cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.idea-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #121c2d1a}.idea-card.selected{border-color:var(--accent);box-shadow:0 10px 24px #0d8a792b}.idea-card h3{font-size:17px;margin-bottom:8px}.card-description{color:var(--muted);font-size:14px;line-height:1.4;margin-bottom:10px}.card-meta{display:flex;flex-wrap:wrap;gap:6px}.idea-card .status,.idea-card .effort,.idea-card .type{display:inline-block;padding:3px 8px;border-radius:999px;font-size:12px}.idea-card .type{background:#f6ecd1;color:#6b4f1f}.status{background:#e3ebff;color:#2f4da8}.effort{background:#fce4d8;color:#a24718}.detail{position:relative}.detail h2{margin-bottom:12px}.detail label,.modal label{display:block;margin-bottom:10px}.detail label span,.modal label span{display:block;margin-bottom:4px;color:var(--muted);font-size:13px}.detail textarea,.modal textarea{min-height:92px;resize:vertical}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.detail-empty-state{min-height:320px;display:grid;place-content:center;text-align:center;color:var(--muted)}.detail-empty-state h2{color:var(--ink);margin-bottom:6px}.close{position:absolute;top:-4px;right:-2px;background:transparent;border:0;font-size:28px;line-height:1;color:#8491a1;cursor:pointer}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.actions button{padding:10px 14px;border:1px solid transparent;border-radius:10px;cursor:pointer;font-weight:700}.actions button:first-child,.actions button:nth-child(2){background:var(--accent-soft);color:var(--accent-strong)}.actions button.danger{background:#f9dde0;color:var(--danger)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#171c2b85;display:grid;place-items:center;z-index:30;padding:20px}.modal{width:min(560px,100%);background:var(--paper-strong);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 30px 60px #0a0e1959;padding:18px;position:relative}button:disabled{opacity:.6;cursor:not-allowed}.app-message,.panel-message{margin:0 0 12px;color:var(--muted)}.app-message.error,.panel-message.error{color:var(--danger)}.empty-state{min-height:160px;display:grid;place-content:center;color:var(--muted)}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media (max-width: 960px){.app-header,.filters{flex-direction:column;align-items:stretch}.metrics,.content,.detail-grid{grid-template-columns:1fr}}