:root {
    --primary: #1e5f8c;
    --primary-dark: #15435f;
    --accent: #f0a500;
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #e1e5ea;
    --text: #23303d;
    --text-light: #6b7785;
    --success: #2e8b57;
    --danger: #c0392b;
    --warning: #d68910;
    --radius: 8px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { background: var(--primary-dark); color: #fff; position: sticky; top: 0; z-index: 50; }
.topbar-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; gap: 24px; padding: 0 20px; height: 56px; }
.brand { color: #fff; font-weight: 700; font-size: 18px; }
.brand span { color: var(--accent); }
.navlinks { display: flex; gap: 4px; flex: 1; }
.navlinks a { color: #cfe0ec; padding: 8px 12px; border-radius: 6px; font-size: 13.5px; font-weight: 500; }
.navlinks a:hover, .navlinks a.active { background: rgba(255,255,255,0.12); color: #fff; text-decoration: none; }
.dropdown { position: relative; }
.dropdown-menu { display: none; position: absolute; top: 36px; left: 0; background: var(--card); border: 1px solid var(--border); border-radius: 6px; min-width: 180px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); padding: 4px; }
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { color: var(--text); display: block; padding: 8px 10px; border-radius: 4px; }
.dropdown-menu a:hover { background: var(--bg); text-decoration: none; }
.user-menu { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.user-name small { opacity: 0.7; }
.btn-link { background: none; border: none; color: #cfe0ec; cursor: pointer; font-size: 13px; padding: 6px 10px; border-radius: 6px; }
.btn-link:hover { background: rgba(255,255,255,0.12); }

.container { max-width: 1280px; margin: 0 auto; padding: 24px 20px 60px; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 24px 0 10px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
.subtitle { color: var(--text-light); margin: 0 0 20px; font-size: 13.5px; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.card-title { font-weight: 600; font-size: 14px; margin-bottom: 12px; }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 800px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--primary-dark); }
.stat-label { color: var(--text-light); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.04em; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13.5px; }
th { background: #f0f3f6; font-weight: 600; color: var(--text-light); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table-wrap table { border: none; }

.btn { display: inline-block; background: var(--primary); color: #fff; border: none; padding: 9px 16px; border-radius: 6px; font-size: 13.5px; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--primary-dark); text-decoration: none; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background: #eef5fa; color: var(--primary); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #962d22; }
.btn-accent { background: var(--accent); color: #2a2300; }
.btn-accent:hover { background: #d8940a; color: #2a2300; }

form .form-group { margin-bottom: 14px; }
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-light); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.02em; }
input[type=text], input[type=number], input[type=password], input[type=email], input[type=search], select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; font-size: 13.5px; font-family: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; min-height: 70px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,95,140,0.12); }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-gray { background: #e8ebee; color: #5a6573; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-green { background: #dcf5e3; color: var(--success); }
.badge-orange { background: #fdecd2; color: var(--warning); }
.badge-red { background: #fbe1de; color: var(--danger); }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.login-card { background: #fff; padding: 36px 32px; border-radius: 12px; width: 340px; box-shadow: 0 20px 50px rgba(0,0,0,0.25); }
.login-card h1 { text-align: center; color: var(--primary-dark); }
.login-card .subtitle { text-align: center; }
.error-msg { background: #fbe1de; color: var(--danger); padding: 10px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; }

.attr-tag { display: inline-block; background: #eef2f6; color: var(--text); padding: 2px 8px; border-radius: 4px; font-size: 11.5px; margin-right: 4px; }
.muted { color: var(--text-light); }
.text-right { text-align: right; }
.flex { display: flex; gap: 8px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.divider { border: none; border-top: 1px solid var(--border); margin: 18px 0; }

.builder-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 1000px) { .builder-layout { grid-template-columns: 1fr; } }
.catalog-list { max-height: 560px; overflow-y: auto; }
.catalog-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.catalog-row:last-child { border-bottom: none; }
.catalog-row:hover { background: #f7f9fb; }
.proposal-cart { position: sticky; top: 70px; }
.cart-item { display: grid; grid-template-columns: 1fr 70px 30px; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.cart-item:last-child { border-bottom: none; }
.remove-btn { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 16px; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-light); }