:root{--teal: #0e7c66;--teal-700: #0a5f4e;--teal-50: #e7f3ef;--canvas: #f7f6f3;--surface: #ffffff;--ink: #15201c;--ink-soft: #5c6b65;--line: #e3e2dc;--line-strong: #cfd3cf;--danger: #b3261e;--danger-50: #fbeceb;--warn: #b76e00;--good: #1f7a43;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(21, 32, 28, .04), 0 4px 16px rgba(21, 32, 28, .05);--maxw: 1180px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:IBM Plex Sans,system-ui,sans-serif;background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}code,.mono{font-family:IBM Plex Mono,ui-monospace,monospace}h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}a{color:var(--teal);text-decoration:none}button{font-family:inherit}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}.brand-name{font-weight:600;letter-spacing:-.01em}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink-soft);font-weight:500;cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:14px}.nav-link:hover{background:var(--canvas);color:var(--ink)}.nav-link.active{background:var(--teal-50);color:var(--teal-700)}.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);padding:16px 12px 6px;font-weight:600}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:12px}.main{min-width:0}.topbar{height:60px;border-bottom:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.page{padding:28px;max-width:var(--maxw)}.page-title{font-size:22px;margin-bottom:4px}.page-sub{color:var(--ink-soft);margin-bottom:22px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:18px 20px}.grid{display:grid;gap:16px}.grid-stats{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.stat .n{font-size:30px;font-weight:600;font-family:IBM Plex Mono,monospace;letter-spacing:-.02em}.stat .l{color:var(--ink-soft);font-size:13px;margin-top:2px}.stat-alert{border-color:var(--danger);background:var(--danger-50)}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font-weight:500;font-size:14px;cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:var(--canvas)}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-700)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(.95)}.btn:disabled{opacity:.55;cursor:default}.btn-sm{padding:6px 12px;font-size:13px}.btn-ghost{border-color:transparent;background:none}.btn-icon{padding:8px;line-height:0}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;font-weight:500;color:var(--ink-soft)}.input,.select,.textarea{width:100%;padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font-family:inherit;font-size:14px}.textarea{resize:vertical;min-height:76px;line-height:1.55}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-50)}.row{display:flex;gap:12px}.row>*{flex:1}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-soft);cursor:pointer}.chip.on{background:var(--teal);border-color:var(--teal);color:#fff}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:500}.badge-pending{background:var(--teal-50);color:var(--teal-700)}.badge-done{background:#e4f3ea;color:var(--good)}.badge-cancelled{background:var(--danger-50);color:var(--danger)}.badge-postponed{background:#f7eedd;color:var(--warn)}.list{display:flex;flex-direction:column}.list-row{display:flex;align-items:center;gap:14px;padding:13px 18px;border-bottom:1px solid var(--line);cursor:pointer}.list-row:last-child{border-bottom:none}.list-row:hover{background:var(--canvas)}.serial{width:30px;height:30px;border-radius:50%;background:var(--teal-50);color:var(--teal-700);display:grid;place-items:center;font-weight:600;font-size:13px;font-family:IBM Plex Mono,monospace;flex:none}.grow{flex:1;min-width:0}.muted{color:var(--ink-soft)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.section-label{font-size:11px;text-transform:uppercase;letter-spacing:.07em;font-weight:600;color:var(--teal-700);margin:18px 0 6px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow-x:auto}.tab{padding:10px 14px;border:none;background:none;color:var(--ink-soft);font-weight:500;font-size:14px;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}.tab.active{color:var(--teal-700);border-bottom-color:var(--teal)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 500px at 50% -10%,var(--teal-50),transparent),var(--canvas)}.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.center-state{display:grid;place-items:center;padding:64px 24px;text-align:center;color:var(--ink-soft);gap:12px}.spinner{width:22px;height:22px;border:2.5px solid var(--line-strong);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:50;font-size:14px;animation:rise .18s ease-out}@keyframes rise{0%{opacity:0;transform:translate(-50%,8px)}}.detail-grid{display:grid;grid-template-columns:150px 1fr;gap:10px 16px}.detail-grid dt{color:var(--ink-soft);font-size:14px}.detail-grid dd{margin:0}.divider{height:1px;background:var(--line);margin:22px 0}.inline-actions{display:flex;gap:8px;align-items:center}@media (max-width: 760px){.shell{grid-template-columns:1fr}.sidebar{display:none}.detail-grid{grid-template-columns:1fr;gap:2px 0}.detail-grid dd{margin-bottom:10px}}