:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --input-border: #cbd5e1;
  --hover: #f8fafc;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --sidebar: #0f172a;
  --sidebar-text: #cbd5e1;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .07);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
h1, h2, h3 { letter-spacing: -.01em; }
svg { flex-shrink: 0; }

#app { display: flex; min-height: 100vh; }
.loading { padding: 40px; text-align: center; color: var(--muted); width: 100%; }

/* ---------- sidebar ---------- */
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--sidebar); color: var(--sidebar-text);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; z-index: 40;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px 14px; color: #fff; font-weight: 600; font-size: 15px; }
.brand svg { width: 22px; height: 22px; color: #60a5fa; }
.brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar nav { flex: 1; padding: 4px 8px; overflow-y: auto; }
.sidebar nav a {
  display: flex; align-items: center; gap: 11px; padding: 9px 11px; margin-bottom: 2px; border-radius: 8px;
  color: var(--sidebar-text); text-decoration: none; font-weight: 500;
}
.sidebar nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.sidebar nav svg { width: 18px; height: 18px; }
.sidebar-foot { display: flex; align-items: center; gap: 8px; padding: 12px 12px 14px 16px; border-top: 1px solid rgba(255, 255, 255, .08); }
.me { flex: 1; min-width: 0; background: none; border: 0; padding: 0; text-align: left; color: inherit; cursor: pointer; font: inherit; }
.me b { display: block; color: #fff; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.me small { color: #94a3b8; }
.sidebar .icon-btn:hover { background: rgba(255, 255, 255, .08); color: #fff; }

/* ---------- main ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 12px; padding: 10px 24px;
  background: rgba(244, 246, 250, .92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .menu-btn { display: none; }
.search-box { position: relative; flex: 1; max-width: 560px; }
.search-box > svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--muted); pointer-events: none; }
.search-box input { padding-left: 34px; background: #fff; }
.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15, 23, 42, .16); max-height: 440px; overflow: auto; padding: 6px;
}
.search-results a { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 6px; color: inherit; text-decoration: none; }
.search-results a:hover { background: var(--hover); }
.search-results a .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 8px 10px 4px; }
.sr-empty { padding: 14px; color: var(--muted); text-align: center; }
.topbar-spacer { flex: 1; }
#view { padding: 20px 24px 48px; }

/* ---------- form controls ---------- */
input, select, textarea {
  width: 100%; font: inherit; color: inherit; padding: 8px 10px; border: 1px solid var(--input-border);
  border-radius: 8px; background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .15); }
input[readonly] { background: #f8fafc; color: var(--muted); }
textarea { resize: vertical; min-height: 60px; }
input[type=checkbox] { width: 16px; height: 16px; margin: 0; accent-color: var(--primary); }
input[type=color] { padding: 2px; height: 34px; width: 46px; cursor: pointer; }
select { cursor: pointer; }

.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > span { font-size: 12px; font-weight: 500; color: var(--muted); }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid.one { grid-template-columns: 1fr; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-all { grid-column: 1 / -1; }
.form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.form-actions .check { margin-right: auto; }
.modal-body > * + * { margin-top: 12px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px;
  border-radius: 8px; border: 1px solid var(--input-border); background: #fff; color: var(--text);
  font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; white-space: nowrap; line-height: 1.2;
}
.btn:hover { background: #f1f5f9; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.success { background: var(--success); border-color: var(--success); color: #fff; }
.btn.success:hover { background: #15803d; }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: default; }
.btn svg { width: 16px; height: 16px; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }
.icon-btn { background: none; border: 0; color: inherit; cursor: pointer; padding: 6px; border-radius: 6px; display: inline-flex; color: var(--muted); }
.icon-btn:hover { background: #f1f5f9; color: var(--text); }
.icon-btn.danger:hover { color: var(--danger); background: #fef2f2; }
.icon-btn svg { width: 17px; height: 17px; }

/* ---------- layout ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; font-weight: 650; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.head-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.back { color: var(--muted); text-decoration: none; font-size: 13px; display: inline-block; margin-bottom: 4px; }
.back:hover { color: var(--primary); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.card.flush > .card-head { padding: 14px 16px 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + * { margin-top: 16px; }
.order-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.order-layout > * { min-width: 0; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar .grow { flex: 1; min-width: 220px; }
.toolbar select, .toolbar input[type=date] { width: auto; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.danger { color: var(--danger); }
.success-text { color: var(--success); }
.right { margin-left: auto; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }
.empty.error { color: var(--danger); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 11.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; background: #f8fafc; white-space: nowrap; }
.card:not(.flush) table th { background: none; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr[data-href] { cursor: pointer; }
tbody tr[data-href]:hover { background: var(--hover); }
tr.urgent td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
td.clip { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
td.actions { white-space: nowrap; text-align: right; width: 1%; padding-top: 6px; padding-bottom: 6px; }
td.empty { text-align: center; }
table.mini td { padding: 8px 10px; }
table.mini tr td:first-child { padding-left: 0; }
table.mini tr td:last-child { padding-right: 0; }
tr.low td { background: #fff7ed; }

/* ---------- badges & tags ---------- */
.badge {
  --c: #64748b; display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  white-space: nowrap; background: color-mix(in srgb, var(--c) 14%, white); color: color-mix(in srgb, var(--c) 78%, black);
}
.tag { display: inline-block; padding: 1px 7px; border-radius: 5px; font-size: 11px; font-weight: 600; vertical-align: 1px; background: #f1f5f9; color: var(--muted); }
.tag.red { background: #fee2e2; color: #b91c1c; }
.tag.blue { background: #dbeafe; color: #1d4ed8; }
.tag.green { background: #dcfce7; color: #15803d; }
.tag.gray { background: #f1f5f9; color: #475569; }
.tag.orange { background: #ffedd5; color: #c2410c; }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tab {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; text-decoration: none;
}
.tab:hover { border-color: var(--input-border); }
.tab.active { background: var(--text); border-color: var(--text); color: #fff; }
.tab i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.tab .count { color: var(--muted); font-variant-numeric: tabular-nums; }
.tab.active .count { color: #cbd5e1; }

/* ---------- KPI ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 4px;
}
a.kpi:hover { border-color: var(--input-border); }
.kpi span { font-size: 12.5px; color: var(--muted); }
.kpi b { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.kpi.danger b { color: var(--danger); }
.kpi.success b { color: var(--success); }
.status-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.status-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: inherit; }
.status-chip:hover { border-color: var(--input-border); background: var(--hover); }
.status-chip i { width: 10px; height: 10px; border-radius: 50%; }
.status-chip b { font-variant-numeric: tabular-nums; }

/* ---------- order page ---------- */
.props { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 8px 16px; margin: 0; }
.props dt { color: var(--muted); }
.props dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
.totals { display: flex; justify-content: flex-end; gap: 28px; flex-wrap: wrap; padding: 14px 4px 2px; border-top: 1px solid var(--border); margin-top: 8px; }
.totals div { display: flex; flex-direction: column; align-items: flex-end; }
.totals span { font-size: 12px; color: var(--muted); }
.totals b { font-size: 16px; font-variant-numeric: tabular-nums; }
.totals .due b { color: var(--danger); }
.totals .over b { color: var(--success); }
.status-select {
  --c: #64748b; width: auto; font-weight: 600; border-color: color-mix(in srgb, var(--c) 50%, white);
  background: color-mix(in srgb, var(--c) 12%, white); color: color-mix(in srgb, var(--c) 80%, black); padding-right: 28px;
}
.client-info { display: flex; flex-direction: column; gap: 4px; }
.client-info b { font-size: 15px; }
.client-info a { text-decoration: none; }
.timeline { list-style: none; margin: 14px 0 0; padding: 0; max-height: 520px; overflow-y: auto; }
.timeline li { padding: 8px 0 8px 14px; border-left: 2px solid var(--border); position: relative; }
.timeline li::before { content: ''; position: absolute; left: -5px; top: 13px; width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; }
.timeline li.t-status::before { background: var(--primary); }
.timeline li.t-payment::before { background: var(--success); }
.timeline li.t-comment::before { background: var(--warning); }
.timeline li.t-comment .t-text { background: #fffbeb; border: 1px solid #fde68a; padding: 6px 9px; border-radius: 8px; }
.t-meta { font-size: 11.5px; color: var(--muted); margin-bottom: 2px; }
.t-text { white-space: pre-wrap; word-break: break-word; }
.comment-form { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--primary); cursor: pointer; font-variant-numeric: tabular-nums; }
.link-btn:hover { text-decoration: underline; }
.section-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding-top: 4px; }
.device-hint { display: flex; gap: 8px; align-items: flex-start; padding: 8px 10px; border-radius: 8px; background: #eff6ff; border: 1px solid #bfdbfe; font-size: 12.5px; }
.device-hint svg { width: 16px; height: 16px; color: var(--primary); margin-top: 1px; }
[hidden] { display: none !important; }
.client-chip { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px; }
.suggest { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.suggest-item, .pick {
  display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; font: inherit; color: inherit; cursor: pointer;
}
.suggest-item:hover, .pick:hover { border-color: var(--primary); background: #eff6ff; }
.pick-list { display: flex; flex-direction: column; gap: 4px; max-height: 240px; overflow-y: auto; }
.pick-list:empty { display: none; }
.pick .right { white-space: nowrap; }
.sum-box { display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; background: #f8fafc; border-radius: 8px; }
.sum-box div { display: flex; justify-content: space-between; }
.sum-box .big { font-size: 16px; padding-top: 6px; margin-top: 4px; border-top: 1px dashed var(--input-border); }
.sale-total { text-align: right; font-size: 16px; }
.sale-total b { font-size: 20px; }
table.cart input { width: 90px; text-align: right; padding: 5px 8px; }
table.cart select { width: auto; padding: 5px 8px; }
table.pl td { padding: 6px 10px; }
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px 18px; margin: 12px 0; }
table.pl .pl-sub { padding-left: 26px; color: var(--muted); }
table.pl .pl-head td { font-weight: 600; border-top: 1px solid var(--border); }
.pl-total td { font-weight: 700; font-size: 15px; background: var(--hover); }

/* ---------- dropdown ---------- */
.dropdown { position: relative; }
.dd-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 4px); min-width: 220px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15, 23, 42, .16); padding: 5px; z-index: 50;
}
.dropdown.open .dd-menu { display: block; }
.dd-menu button, .dd-menu a { display: block; width: 100%; text-align: left; padding: 8px 10px; border: 0; background: none; border-radius: 6px; font: inherit; color: inherit; cursor: pointer; text-decoration: none; }
.dd-menu button:hover, .dd-menu a:hover { background: var(--hover); }

/* ---------- period ---------- */
.period { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--input-border); border-radius: 8px; overflow: hidden; background: #fff; }
.seg button { border: 0; background: none; padding: 7px 11px; font: inherit; font-size: 13px; cursor: pointer; color: var(--text); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button:hover { background: var(--hover); }
.seg button.active { background: var(--text); color: #fff; }
.period input[type=date] { width: 150px; }

/* ---------- bars ---------- */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 160px; padding-top: 8px; }
.bars .bar { flex: 1; min-width: 4px; background: #93c5fd; border-radius: 3px 3px 0 0; position: relative; }
.bars .bar:hover { background: var(--primary); }
.bars-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 6px; }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: flex-start; justify-content: center;
  padding: 6vh 16px 24px; z-index: 100; overflow-y: auto; animation: fade .12s ease-out;
}
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 520px; box-shadow: 0 24px 64px rgba(15, 23, 42, .3); animation: pop .14s ease-out; }
.modal.wide { max-width: 860px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 0; }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-body { padding: 16px 18px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 0 18px 16px; }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* ---------- toasts ---------- */
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--text); color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: 0 8px 24px rgba(15, 23, 42, .25); max-width: 380px; transition: opacity .3s, transform .3s; }
.toast.error { background: var(--danger); }
.toast.hide { opacity: 0; transform: translateY(6px); }

/* ---------- login ---------- */
body.login-page #app { align-items: center; justify-content: center; padding: 16px; background: linear-gradient(160deg, #0f172a, #1e3a8a); }
.login-card { width: 100%; max-width: 360px; background: #fff; border-radius: 14px; padding: 28px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 24px 64px rgba(0, 0, 0, .35); }
.login-card .logo { display: flex; align-items: center; gap: 10px; font-size: 18px; margin-bottom: 6px; }
.login-card .logo svg { width: 26px; height: 26px; color: var(--primary); }
.login-card .hint { margin: 0; font-size: 12px; color: var(--muted); text-align: center; }

/* ---------- settings ---------- */
.settings-table input:not([type=checkbox]), .settings-table select { padding: 6px 8px; }
.info-list { margin: 0; padding-left: 18px; }
.info-list li + li { margin-top: 4px; }
code { background: #f1f5f9; padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .order-layout { grid-template-columns: minmax(0, 1fr); }
  .form-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); transition: transform .2s; box-shadow: 0 0 40px rgba(0, 0, 0, .3); }
  .sidebar.open { transform: none; }
  .topbar .menu-btn { display: inline-flex; }
  .topbar { padding: 8px 16px; gap: 8px; }
  .topbar .btn span { display: none; }
  #view { padding: 16px 16px 40px; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-2 > .card { margin-bottom: 0; }
  .form-grid, .form-grid.cols-3, .form-grid.cols-4 { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: auto; }
  .props { grid-template-columns: 1fr; gap: 2px; }
  .props dd { margin-bottom: 8px; }
  .page-head h1 { font-size: 19px; }
}