:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #123c69;
  --primary-2: #0f2e50;
  --accent: #d4a017;
  --border: #e5e7eb;
  --danger: #b42318;
  --warning: #b54708;
  --success: #027a48;
  --shadow: 0 18px 55px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Segoe UI, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; font-weight: 700; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 290px; background: linear-gradient(180deg, #0f2e50, #07182b); color: #fff; padding: 24px 18px; position: fixed; top: 0; bottom: 0; left: 0; overflow-y: auto; z-index: 10; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; }
.brand-mark { width: 48px; height: 48px; border-radius: 16px; background: var(--accent); color: #09182a; display: grid; place-items: center; font-weight: 900; }
.brand h1 { font-size: 18px; margin: 0; }
.brand p { margin: 4px 0 0; color: #b8c7db; font-size: 12px; }
.center-brand { justify-content: center; }
.nav-menu { display: grid; gap: 6px; }
.nav-menu a { color: #dbe8f7; padding: 12px 14px; border-radius: 14px; font-weight: 700; transition: .2s; }
.nav-menu a:hover { background: rgba(255,255,255,.1); color: #fff; }
.main-content { margin-left: 290px; width: calc(100% - 290px); padding: 26px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 24px; }
.topbar h2 { margin: 0; font-size: 28px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.menu-btn { display: none; }
.user-pill { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 8px 12px; box-shadow: var(--shadow); }
.user-pill button { border: 0; background: #f1f5f9; border-radius: 10px; padding: 8px 10px; font-weight: 800; cursor: pointer; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-bottom: 22px; }
.stats-grid.small { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 22px; padding: 20px; box-shadow: var(--shadow); }
.stat-card span { color: var(--muted); display: block; font-weight: 800; font-size: 13px; }
.stat-card strong { font-size: 28px; display: block; margin: 10px 0; color: var(--primary); }
.stat-card small { color: var(--muted); }
.stat-card.danger strong { color: var(--danger); }
.stat-card.warning strong { color: var(--warning); }
.stat-card.success strong { color: var(--success); }
.grid-two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 22px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 24px; padding: 22px; box-shadow: var(--shadow); margin-bottom: 22px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.panel-head h3, .panel h3 { margin: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 11px 16px; border-radius: 14px; border: 0; font-weight: 900; cursor: pointer; margin: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-light { background: #eef2f7; color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-small { padding: 8px 12px; font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--border); padding: 12px; }
td { padding: 14px 12px; border-bottom: 1px solid var(--border); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 900; background: #eef2f7; color: #334155; }
.badge.hot, .badge.pending, .badge.draft, .badge.sent { background: #fff7ed; color: #c2410c; }
.badge.converted, .badge.approved, .badge.completed, .badge.active { background: #ecfdf3; color: #027a48; }
.badge.lost, .badge.rejected, .badge.hold { background: #fef3f2; color: #b42318; }
.badge.new, .badge.warm, .badge.site_visit, .badge.quotation_sent { background: #eff6ff; color: #175cd3; }
.filterbar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.filterbar input, .filterbar select { min-width: 230px; }
.form-panel { max-width: 1100px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid.single { grid-template-columns: 1fr; }
.form-group { display: grid; gap: 7px; }
.form-group label { font-weight: 900; font-size: 13px; color: #344054; }
.form-control, .form-select, .login-card input, input, select, textarea { width: 100%; border: 1px solid var(--border); background: #fff; padding: 12px 13px; border-radius: 14px; font: inherit; }
textarea { resize: vertical; }
.checkbox-group { display: flex; align-items: center; gap: 10px; }
.form-check-input { width: 18px; height: 18px; }
.full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.calc-box { border: 1px dashed #9bb3ce; background: #f8fbff; border-radius: 18px; padding: 18px; }
.calc-box h4 { margin: 0 0 8px; }
.error-text { color: var(--danger); font-weight: 700; }
.message-wrap { margin-bottom: 18px; }
.alert { padding: 12px 14px; border-radius: 14px; margin-bottom: 10px; font-weight: 800; }
.alert-success { background: #ecfdf3; color: #027a48; }
.alert-error { background: #fef3f2; color: #b42318; }
.project-stack { display: grid; gap: 12px; }
.project-mini, .project-card { background: #f8fafc; border: 1px solid var(--border); border-radius: 18px; padding: 16px; display: grid; gap: 10px; color: var(--text); }
.project-mini span, .project-card p, .project-card small { color: var(--muted); }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.project-top { display: flex; justify-content: space-between; gap: 12px; }
.project-top h3 { font-size: 17px; }
.progress { height: 9px; background: #e5e7eb; border-radius: 999px; overflow: hidden; }
.progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: inherit; }
.progress.big { height: 16px; }
.detail-hero { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.detail-hero h3 { font-size: 28px; margin: 10px 0 4px; }
.hero-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.doc-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.doc-grid a, .doc-card { background: #f8fafc; border: 1px solid var(--border); border-radius: 16px; padding: 14px; display: grid; gap: 6px; color: var(--text); }
.doc-card span, .doc-card small { color: var(--muted); }
.activity-list { display: grid; gap: 12px; }
.activity-list div { display: flex; gap: 12px; justify-content: space-between; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.activity-list span, .activity-list small { color: var(--muted); }
.pagination { display: flex; gap: 14px; align-items: center; justify-content: flex-end; padding-top: 16px; }
.quotation-print { max-width: 900px; margin: 0 auto 20px; }
.quote-head, .quote-client { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--border); padding-bottom: 18px; margin-bottom: 18px; }
.quote-head h2 { margin: 0; color: var(--primary); }
.quote-table { min-width: unset; }
.quote-table .total td { font-size: 20px; font-weight: 900; color: var(--primary); }
.login-body { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at top, #1b4f83, #07182b 70%); padding: 20px; }
.login-card { width: min(440px, 100%); background: #fff; border-radius: 28px; padding: 32px; box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.login-help { color: var(--muted); font-size: 13px; text-align: center; }
code { background: #f1f5f9; padding: 3px 6px; border-radius: 8px; }
.note-panel { border-left: 5px solid var(--accent); }
@media print {
  .sidebar, .topbar, .form-actions, .message-wrap { display: none !important; }
  .main-content { margin: 0; width: 100%; padding: 0; }
  body { background: #fff; }
  .panel { box-shadow: none; border: 0; }
}
@media (max-width: 1100px) {
  .stats-grid, .stats-grid.small { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-two, .project-grid { grid-template-columns: 1fr; }
  .doc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .sidebar { transform: translateX(-100%); transition: .25s; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; width: 100%; padding: 18px; }
  .menu-btn { display: inline-flex; border: 0; background: var(--primary); color: #fff; border-radius: 12px; padding: 10px 12px; font-weight: 900; }
  .topbar { align-items: flex-start; }
  .user-pill { display: none; }
  .stats-grid, .stats-grid.small, .form-grid, .doc-grid { grid-template-columns: 1fr; }
  .detail-hero, .quote-head, .quote-client { flex-direction: column; }
  .panel-head { align-items: flex-start; flex-direction: column; }
}