*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f5f7;
  --surface:#fff;
  --border:rgba(0,0,0,0.08);
  --border-light:rgba(0,0,0,0.05);
  --text:#1d1d1f;
  --text-muted:#6e6e73;
  --text-hint:#aeaeb2;
  --accent:#007aff;
  --accent-hover:#0066d6;
  --green:#28a745;
  --red:#dc3545;
  --orange:#f57c00;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 2px 12px rgba(0,0,0,0.06);
}
body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text',Helvetica,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}

/* ── LAYOUT ────────────────────────────────────────────────────────────── */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:220px;flex-shrink:0;background:rgba(255,255,255,0.9);border-right:0.5px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.main-content{flex:1;overflow-y:auto;padding:24px}

/* ── SIDEBAR ───────────────────────────────────────────────────────────── */
.sidebar-logo{padding:20px 16px 16px;border-bottom:0.5px solid var(--border)}
.sidebar-title{font-size:15px;font-weight:700;color:var(--text);letter-spacing:-.3px}
.sidebar-sub{font-size:11px;color:var(--text-muted);margin-top:2px}
.sidebar-nav{flex:1;padding:10px 8px;overflow-y:auto}
.nav-section{font-size:10px;font-weight:700;color:var(--text-hint);text-transform:uppercase;letter-spacing:.08em;padding:10px 8px 4px}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;color:var(--text-muted);text-decoration:none;font-size:13px;font-weight:500;transition:all .15s;cursor:pointer}
.nav-item:hover{background:rgba(0,0,0,0.04);color:var(--text)}
.nav-item.active{background:rgba(0,122,255,0.1);color:var(--accent)}
.nav-icon{width:16px;height:16px;flex-shrink:0}
.sidebar-footer{padding:12px 8px;border-top:0.5px solid var(--border)}
.logout-btn{width:100%;padding:8px;background:none;border:0.5px solid var(--border);border-radius:8px;color:var(--text-muted);font-size:12px;cursor:pointer;font-family:inherit;transition:all .15s}
.logout-btn:hover{background:var(--bg);color:var(--red);border-color:var(--red)}

/* ── CARDS ─────────────────────────────────────────────────────────────── */
.card{background:var(--surface);border-radius:var(--radius);border:0.5px solid var(--border);padding:20px 24px}
.card-sm{padding:14px 18px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-title{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.4px}
.page-sub{font-size:13px;color:var(--text-muted);margin-top:2px}

/* ── METRICS ───────────────────────────────────────────────────────────── */
.metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:24px}
.metric{background:var(--surface);border-radius:var(--radius-sm);padding:16px;border:0.5px solid var(--border)}
.metric-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.metric-value{font-size:24px;font-weight:700;color:var(--text);letter-spacing:-.5px}
.metric-value.blue{color:var(--accent)}
.metric-value.green{color:var(--green)}
.metric-value.orange{color:var(--orange)}

/* ── KSS CARDS GRID ────────────────────────────────────────────────────── */
.kss-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.kss-card{background:var(--surface);border-radius:var(--radius);border:0.5px solid var(--border);padding:16px;cursor:pointer;transition:all .15s;text-decoration:none;display:block;color:inherit}
.kss-card:hover{border-color:rgba(0,122,255,0.3);transform:translateY(-1px);box-shadow:var(--shadow)}
.status-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;margin-bottom:10px}
.status-draft{background:#f2f2f7;color:#6e6e73}
.status-active{background:#e3f5e9;color:#1a7a3c}
.status-done{background:#e1f0ff;color:#0055cc}
.kss-card-name{font-size:14px;font-weight:700;color:var(--text);margin-bottom:3px;letter-spacing:-.2px}
.kss-card-client{font-size:12px;color:var(--text-muted);margin-bottom:12px}
.kss-card-footer{display:flex;justify-content:space-between;align-items:center;border-top:0.5px solid var(--border-light);padding-top:10px}
.kss-card-total{font-size:15px;font-weight:700;color:var(--text)}
.kss-card-date{font-size:11px;color:var(--text-hint)}

/* ── BUTTONS ───────────────────────────────────────────────────────────── */
.btn{padding:8px 18px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;border:none;font-family:inherit;transition:all .15s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:rgba(0,0,0,0.06);color:var(--text)}
.btn-secondary:hover{background:rgba(0,0,0,0.1)}
.btn-danger{background:#fff0f0;color:var(--red);border:0.5px solid #ffb3b3}
.btn-danger:hover{background:#ffe0e0}
.btn-ghost{background:none;border:0.5px solid var(--border);color:var(--text-muted)}
.btn-ghost:hover{background:var(--bg);color:var(--text)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-icon{width:30px;height:30px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;background:none;border:0.5px solid var(--border);cursor:pointer;color:var(--text-muted);font-size:16px;transition:all .15s}
.btn-icon:hover{background:var(--bg);color:var(--accent)}

/* ── FORMS ─────────────────────────────────────────────────────────────── */
.form-group{margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
label.field-label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px}
input[type=text],input[type=email],input[type=number],input[type=date],select,textarea{
  width:100%;padding:9px 12px;border:0.5px solid rgba(0,0,0,0.18);border-radius:8px;
  font-size:13px;font-family:inherit;outline:none;color:var(--text);background:var(--surface);
  transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,122,255,.1)}
textarea{resize:vertical;min-height:80px}
.input-group{display:flex;gap:8px;align-items:center}

/* ── HERO PANEL ────────────────────────────────────────────────────────── */
.hero{background:var(--surface);border-radius:var(--radius);border:0.5px solid var(--border);padding:20px 24px;margin-bottom:16px}
.hero-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.hero-title{font-size:20px;font-weight:700;letter-spacing:-.4px;color:var(--text)}
.hero-subtitle{font-size:12px;color:var(--text-muted);margin-top:3px}
.hero-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0;border-top:0.5px solid var(--border-light);padding-top:14px}
.hero-field{padding:0 16px 0 0}
.hero-field:first-child{padding-left:0}
.hero-field-label{font-size:10px;font-weight:600;color:var(--text-hint);text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}
.hero-field-value{font-size:13px;font-weight:500;color:var(--text)}

/* ── KSS TABLE ─────────────────────────────────────────────────────────── */
.kss-section-block{background:var(--surface);border-radius:var(--radius);border:0.5px solid var(--border);margin-bottom:12px;overflow:hidden}
.kss-section-header{padding:11px 16px;background:#f9f9fb;border-bottom:0.5px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}
.section-name{font-size:13px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.section-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.section-total{font-size:13px;font-weight:700;color:var(--text)}
.kss-table{width:100%;border-collapse:collapse;table-layout:fixed}
.kss-table th{padding:8px 12px;font-size:10px;font-weight:700;color:var(--text-muted);text-align:left;background:#fafafa;border-bottom:0.5px solid var(--border-light);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.kss-table td{padding:10px 12px;font-size:13px;color:var(--text);border-bottom:0.5px solid var(--border-light)}
.kss-table tr:last-child td{border-bottom:none}
.kss-table tr:hover td{background:#fafbff}
.td-num{text-align:right;font-variant-numeric:tabular-nums;font-weight:500}
.td-muted{color:var(--text-muted);font-size:12px}
.td-detail{color:var(--accent);font-size:11px;margin-top:2px}
.td-bold{font-weight:700}
.add-item-row{padding:9px 16px;font-size:12px;font-weight:600;color:var(--accent);cursor:pointer;display:flex;align-items:center;gap:6px;border-top:0.5px dashed rgba(0,122,255,0.2)}
.add-item-row:hover{background:#f5f9ff}

/* ── TOTAL BAR ─────────────────────────────────────────────────────────── */
.total-bar{background:var(--text);color:#fff;border-radius:var(--radius);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.total-bar-left .label{font-size:12px;color:rgba(255,255,255,0.6)}
.total-bar-left .amount{font-size:24px;font-weight:700;letter-spacing:-.5px}
.total-bar-actions{display:flex;gap:10px}
.btn-white{background:#fff;color:var(--text);border:none;padding:9px 18px;border-radius:9px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s}
.btn-white:hover{background:#f5f5f7}
.btn-white-ghost{background:rgba(255,255,255,0.15);color:#fff;border:none;padding:9px 18px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s}
.btn-white-ghost:hover{background:rgba(255,255,255,0.25)}

/* ── LIBRARY ───────────────────────────────────────────────────────────── */
.lib-group{background:var(--surface);border-radius:var(--radius);border:0.5px solid var(--border);margin-bottom:10px;overflow:hidden}
.lib-group-header{padding:12px 16px;border-bottom:0.5px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none}
.lib-group-title{font-size:13px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.lib-etap-badge{padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600}
.etap-1{background:#e1f0ff;color:#0055cc}
.etap-2{background:#f0ebff;color:#6d28d9}
.lib-cat{border-bottom:0.5px solid var(--border-light)}
.lib-cat:last-child{border-bottom:none}
.lib-cat-header{padding:9px 16px 9px 28px;background:#fafafa;font-size:12px;font-weight:600;color:#444;display:flex;align-items:center;justify-content:space-between}
.lib-process{padding:9px 16px 9px 40px;border-bottom:0.5px solid var(--border-light);display:grid;grid-template-columns:1fr 55px 130px 30px;gap:8px;align-items:center}
.lib-process:last-child{border-bottom:none}
.lib-process:hover{background:#fafbff}
.lib-proc-name{font-size:13px;color:var(--text);font-weight:500}
.lib-proc-unit{font-size:11px;color:var(--text-muted);text-align:center}
.price-range{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;background:#f0ebff;color:#6d28d9;white-space:nowrap}
.price-single{background:#e3f5e9;color:#1a7a3c}

/* ── SEARCH ────────────────────────────────────────────────────────────── */
.search-wrap{position:relative;margin-bottom:16px}
.search-wrap input{padding-left:36px}
.search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:15px;pointer-events:none}
.search-results{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 4px 20px rgba(0,0,0,0.1);overflow:hidden;margin-top:4px}
.search-result-item{padding:10px 14px;cursor:pointer;border-bottom:0.5px solid var(--border-light);display:grid;grid-template-columns:1fr 55px 110px;gap:8px;align-items:center}
.search-result-item:hover{background:#f5f9ff}
.search-result-item:last-child{border-bottom:none}
.sr-name{font-size:13px;font-weight:500;color:var(--text)}
.sr-path{font-size:10px;color:var(--text-muted);margin-top:1px}

/* ── MODAL ─────────────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--surface);border-radius:16px;padding:24px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.2)}
.modal-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:20px;letter-spacing:-.3px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;border-top:0.5px solid var(--border-light)}

/* ── PRICE INFO ────────────────────────────────────────────────────────── */
.price-info-popup{background:#fff;border:0.5px solid rgba(0,0,0,0.1);border-radius:10px;padding:12px;box-shadow:0 4px 16px rgba(0,0,0,0.08);margin:4px 12px 8px}
.price-stats-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--border-light);border-radius:8px;overflow:hidden}
.price-stat{background:#fff;padding:10px 12px;text-align:center}
.price-stat.min{background:#f0fdf8}
.price-stat.avg{background:#f0f7ff}
.price-stat.max{background:#fffbf0}
.ps-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}
.ps-label.min{color:#0d7c6e}
.ps-label.avg{color:#0055cc}
.ps-label.max{color:#c15a00}
.ps-val{font-size:17px;font-weight:700}
.ps-val.min{color:#0d7c6e}
.ps-val.avg{color:#007aff}
.ps-val.max{color:#f57c00}
.ps-note{font-size:10px;color:var(--text-muted);margin-top:1px}

/* ── MISC ──────────────────────────────────────────────────────────────── */
.loading{color:var(--text-muted);padding:40px;text-align:center;font-size:14px}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state-title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px}
.empty-state-sub{font-size:13px;margin-bottom:20px}
.divider{height:0.5px;background:var(--border-light);margin:16px 0}
.tag{display:inline-block;padding:2px 8px;border-radius:8px;font-size:11px;font-weight:600}
.tag-blue{background:#e1f0ff;color:#0055cc}
.tag-green{background:#e3f5e9;color:#1a7a3c}
.tag-gray{background:#f2f2f7;color:#6e6e73}
.tag-orange{background:#fff3e0;color:#c15a00}
.inline-edit{border:none;background:transparent;font-family:inherit;font-size:inherit;color:inherit;width:100%;outline:none;padding:2px 4px;border-radius:4px}
.inline-edit:focus{background:#f0f7ff;border-bottom:1.5px solid var(--accent)}