:root{--bg:#f7f8fa;--paper:#ffffff;--ink:#202124;--muted:#888888;--line:#e3e4e8;--accent:#4743c6;--accent-soft:#ededfb;--danger:#d94040}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Pretendard,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell,main{min-height:100vh}.app-shell{display:flex;flex-direction:column}.app-topbar{height:52px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px}.app-topbar-title{font-size:15px;font-weight:600}.app-topbar-subtitle{margin-top:2px;font-size:12px;color:var(--muted)}.shell{padding:24px 28px 32px}.nav-row{display:flex;gap:8px;flex-wrap:wrap}.nav-pill{height:34px;padding:0 14px;border-radius:8px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;font-size:13px;font-weight:500;color:#444}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(99,102,241,.16),transparent 28%),radial-gradient(circle at bottom right,rgba(168,85,247,.16),transparent 24%),linear-gradient(135deg,#f7f8fa,#f5f8ff 52%,#f8f4ff)}.login-card{width:min(100%,440px);padding:28px;border:1px solid #dbe1f3;border-radius:20px;background:rgba(255,255,255,.92);box-shadow:0 24px 60px rgba(63,80,135,.14)}.login-eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#5b5bd6}.login-card h1{margin:10px 0;font-size:28px;line-height:1.2}.login-error{padding:10px 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8px;font-size:18px;font-weight:700}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:10px;gap:10px}.stat{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px}.stat-label{font-size:12px;color:var(--muted)}.stat-value{margin-top:6px;font-size:22px;font-weight:700}.small-value{font-size:14px}.kv{display:grid;grid-template-columns:140px 1fr;grid-gap:10px 14px;gap:10px 14px}.kv dt{color:var(--muted)}.kv dd{margin:0}.stacked-form{display:grid;grid-gap:12px;gap:12px}.stacked-form label{display:grid;grid-gap:6px;gap:6px;font-size:13px;color:#555}.search-box,.stacked-form input,.stacked-form select,.stacked-form textarea{border:1px solid var(--line);border-radius:8px;background:#fff}.stacked-form input,.stacked-form select,.stacked-form textarea{padding:10px 12px;outline:none}.search-box{display:flex;align-items:center;padding:10px 12px}.search-box input{width:100%;border:none;background:transparent;outline:none;color:var(--ink)}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar .search-box{flex:1 1 260px}.toolbar-select{min-width:260px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 12px}.toolbar-select select{width:100%;height:44px;border:none;background:transparent;outline:none;color:var(--ink)}.compact-form{margin-bottom:12px}.estimate-tree-button,.estimate-tree-link,.primary-button,.secondary-button,.tab-button,.table-button,.work-select-button{font:inherit}.primary-button,.secondary-button,.tab-button,.table-button{border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;white-space:nowrap}.primary-button{height:36px;padding:0 14px;border:1px solid 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var(--line);border-radius:12px;padding:32px}.print-total{margin-top:24px;font-size:22px;font-weight:700;text-align:right}@media (max-width:980px){.estimate-console{grid-template-columns:1fr}.estimate-sidebar{border-right:none;border-bottom:1px solid var(--line)}.estimate-dashboard-grid,.estimate-hero,.estimate-right-grid,.grid-2,.kv,.material-select-grid,.project-row,.stat-grid{grid-template-columns:1fr}.app-topbar,.estimate-topbar{height:auto;padding:14px 16px;align-items:flex-start;flex-direction:column}.shell{padding:16px}.estimate-main>.card,.estimate-main>.estimate-right-grid,.estimate-main>.grid{margin:16px}.estimate-hero{padding:20px}.estimate-hero h1{font-size:24px}.estimate-hero-stats{grid-template-columns:1fr 1fr 1fr}}@media (max-width:640px){.estimate-hero-stats{grid-template-columns:1fr}}