:root {
  --bg: #f3f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #7c3aed;
  --border: #e2e8f0;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 100%); color: var(--text); }
.container { width: min(1280px, calc(100% - 32px)); margin: 24px auto; }
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.auth-card { width: min(460px, 100%); padding: 32px; }
.brand-badge, .pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: #eff6ff; color: var(--primary-dark); font-size: 13px; font-weight: 700; }
.h1 { font-size: 34px; line-height: 1.1; margin: 14px 0 8px; }
.sub { color: var(--muted); font-size: 15px; }
.grid { display: grid; gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 18px; }
label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
input, textarea, select { width: 100%; padding: 13px 14px; border-radius: 14px; border: 1px solid var(--border); outline: none; background: #fff; font-size: 14px; }
input:focus, textarea:focus { border-color: #93c5fd; box-shadow: 0 0 0 4px rgba(37,99,235,.08); }
textarea { min-height: 84px; resize: vertical; }
.btn { border: 0; border-radius: 14px; padding: 13px 18px; cursor: pointer; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; padding: 18px 22px; }
.stat { padding: 18px; border-radius: 20px; background: #f8fbff; border: 1px solid var(--border); }
.stat .label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.stat .value { font-size: 28px; font-weight: 800; }
.section-card { padding: 22px; }
.section-title { margin: 0 0 18px; font-size: 22px; }
.cost-row { display: grid; grid-template-columns: 220px 1fr 180px; gap: 14px; border: 1px solid var(--border); border-radius: 20px; padding: 14px; margin-bottom: 14px; background: #fff; }
.cost-head { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.small { color: var(--muted); font-size: 12px; }
.flash { padding: 13px 16px; border-radius: 14px; margin-bottom: 18px; font-weight: 600; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.flash-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.highlight { background: linear-gradient(135deg, #eff6ff, #f5f3ff); border: 1px solid #dbeafe; }
.print-area { width: min(960px, calc(100% - 32px)); margin: 20px auto; background: #fff; padding: 24px; border-radius: 18px; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; gap: 12px; align-items: center; }
.justify-between { justify-content: space-between; }
.quote-no { font-size: 13px; color: var(--warning); font-weight: 700; }
@media (max-width: 1100px) {
  .grid-5, .grid-4, .grid-3, .grid-2, .summary-grid { grid-template-columns: 1fr; }
  .cost-row { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
}