/* ============================================================
   MELEMENT Invoice System
   Brand: orange #FC8E00 · coral #F75C36 · maroon #6A031A
   Display: Pathway Extreme · Body: Inter
   ============================================================ */

:root {
  --orange: #FC8E00;
  --coral:  #F75C36;
  --maroon: #6A031A;
  --ink:    #141414;
  --paper:  #ffffff;
  --bg:     #f7f5f2;
  --line:   #e6e2dc;
  --muted:  #7a7a7a;
  --radius: 10px;
  --display: 'Pathway Extreme', sans-serif;
  --body: 'Inter', -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
}

/* ---------- app chrome ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 28px;
  background: var(--paper); border-bottom: 3px solid var(--orange);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-logo { height: 34px; width: 34px; object-fit: contain; }
.brand-name { font-family: var(--display); font-weight: 900; letter-spacing: .02em; }
.brand-name em { font-style: normal; color: var(--orange); font-weight: 600; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  padding: 7px 13px; border-radius: 999px;
  text-decoration: none; color: var(--ink); font-weight: 500;
}
.nav a:hover { background: var(--bg); }
.nav a.on { background: var(--ink); color: #fff; }
.nav a:focus-visible, .btn:focus-visible, .lnk:focus-visible, .inp:focus-visible {
  outline: 2px solid var(--coral); outline-offset: 2px;
}

.wrap { max-width: 1020px; margin: 0 auto; padding: 28px 20px 60px; }
.appfoot { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}
.page-head h1 {
  font-family: var(--display); font-weight: 900; font-size: 30px;
  margin: 0; letter-spacing: .01em;
}
.page-head > div { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* The signature device: section heads as orange bars, echoing the
   invoice's table header. */
.bar-head {
  font-family: var(--display); font-weight: 800; font-size: 15px;
  letter-spacing: .03em;
  background: var(--orange); color: var(--ink);
  padding: 7px 12px; border-radius: 6px;
  margin: 26px 0 12px;
}

.flash {
  background: var(--maroon); color: #fff;
  padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px;
}
.flash-error { background: var(--coral); }

/* ---------- stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.stat-grid-tight { align-content: start; }
.stat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: flex; flex-direction: column; gap: 4px;
}
.stat-warn { border-color: var(--coral); }
.stat-warn .stat-value { color: var(--coral); }
.stat-label { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.stat-value { font-family: var(--display); font-weight: 800; font-size: 26px; }

/* ---------- tables ---------- */
.tbl {
  width: 100%; border-collapse: collapse; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.tbl th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); padding: 10px 12px; border-bottom: 2px solid var(--orange);
  background: #fffaf2;
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-tight th, .tbl-tight td { padding: 6px 10px; }
.muted { color: var(--muted); }
.owes { color: var(--coral); font-weight: 600; }
.empty {
  background: var(--paper); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 22px; color: var(--muted);
}

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; vertical-align: middle;
}
.st-paid      { background: #e6f4e6; color: #226622; }
.st-sent      { background: #fff1dd; color: #8a5300; }
.st-part      { background: #ffe9d6; color: #a34d00; }
.st-overdue   { background: #fde3dc; color: var(--coral); }
.st-draft     { background: #eeeeee; color: #555; }
.st-cancelled { background: #f4f4f4; color: #999; text-decoration: line-through; }

/* ---------- forms ---------- */
.lbl { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
.inp {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: var(--paper);
}
.inp:focus { border-color: var(--orange); outline: none; }
.inp-inline { width: auto; min-width: 140px; }
.hint { font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form-grid .span2 { grid-column: span 2; }
.form-actions { margin-top: 24px; display: flex; gap: 10px; }
.row-gap { margin-top: 12px; }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px 20px 20px;
}
.card-narrow { max-width: 640px; }
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.logo-preview { max-height: 90px; margin-top: 10px; }

.btn {
  display: inline-block; padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--orange); border-color: var(--orange); }
.btn-primary:hover { background: var(--coral); border-color: var(--coral); color: #fff; }
.btn-danger { border-color: var(--coral); color: var(--coral); }
.btn-danger:hover { background: var(--coral); color: #fff; }
.btn-block { width: 100%; margin-top: 16px; }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.lnk { color: var(--coral); font-weight: 600; text-decoration: none; }
.lnk:hover { text-decoration: underline; }
.lnk-btn { background: none; border: none; color: var(--coral); cursor: pointer; font: inherit; font-size: 13px; padding: 0; }
.inline-form { display: inline; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink); text-decoration: none; font-size: 13.5px;
}
.chip-on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- dynamic editor blocks ---------- */
.item-row, .sec-row {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px; position: relative;
}
.item-row .grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; }
.sec-row .grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 12px; }
.remove-row {
  position: absolute; top: 10px; right: 12px;
  background: none; border: none; color: var(--coral); cursor: pointer;
  font-size: 13px; font-weight: 600;
}
.drag-note { font-size: 11.5px; color: var(--muted); }

/* ---------- payments panel ---------- */
.pay-panel {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 26px;
}
.pay-summary { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 10px; }
.pay-summary strong { font-family: var(--display); font-size: 18px; }
.pay-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; align-items: center; }

/* ============================================================
   THE INVOICE SHEET — replicates the Melement PDF layout
   ============================================================ */
.sheet {
  background: #fff; max-width: 760px; margin: 0 auto;
  padding: 56px 64px; box-shadow: 0 2px 18px rgba(0,0,0,.08);
  font-size: 14.5px; line-height: 1.55;
}
.inv-top { display: flex; justify-content: space-between; align-items: flex-start; }
.inv-title {
  font-family: var(--display); font-weight: 900; font-size: 44px;
  margin: 0; letter-spacing: .01em;
}
.inv-logo { width: 96px; height: 96px; object-fit: contain; }
.inv-meta { margin: 18px 0 8px; }

.inv-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 8px 0 16px; }
.inv-parties h2 {
  font-family: var(--display); font-weight: 800; font-size: 22px; margin: 0 0 8px;
}
.inv-parties p { margin: 0; }
.u { text-decoration: underline; }

.inv-project {
  font-family: var(--display); font-weight: 800; font-size: 24px;
  line-height: 1.25; margin: 26px 0 18px;
}

.inv-block { margin: 0 0 14px; }
.inv-block h3 { font-size: 15px; margin: 0 0 2px; }
.inv-block p, .inv-block ul, .inv-block ol { margin: 0 0 8px 28px; }
.inv-block ul, .inv-block ol { padding-left: 18px; }

.inv-breakdown-title {
  font-family: var(--display); font-weight: 800; font-size: 24px; margin: 28px 0 14px;
}

.inv-table { width: 100%; border-collapse: collapse; }
.inv-table-head th {
  background: var(--orange); color: var(--ink);
  font-weight: 700; padding: 8px 12px; text-align: center;
}
.inv-table td { padding: 6px 12px; text-align: center; }
.inv-item-head td { padding-top: 10px; font-size: 14.5px; }
.inv-item-detail td { color: #333; font-size: 13.5px; }
.inv-amount { white-space: nowrap; }
.inv-total td {
  font-weight: 800; padding-top: 16px; font-size: 15px;
  border-top: 2px solid var(--ink);
}

.inv-section { margin-top: 26px; }
.inv-section h2 {
  font-family: var(--display); font-weight: 800; font-size: 22px; margin: 0 0 10px;
}
.inv-section p { margin: 0 0 8px; }
.inv-section ul, .inv-section ol { margin: 0 0 8px; padding-left: 22px; }
.inv-section li { margin-bottom: 5px; }

.inv-thanks { text-align: center; margin-top: 48px; }
.inv-thanks p { font-family: var(--display); font-weight: 800; font-size: 18px; }
.inv-thanks-logo { width: 260px; max-width: 60%; margin-top: 18px; }

.inv-foot {
  text-align: center; font-size: 11.5px; color: #444;
  margin-top: 56px; padding-top: 14px;
}

/* ---------- login ---------- */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  border-top: 4px solid var(--orange);
  padding: 36px 38px; width: min(380px, 92vw);
}
.login-title { font-family: var(--display); font-weight: 900; font-size: 34px; margin: 0; }
.login-sub { margin: 2px 0 18px; color: var(--muted); }
.login-hint { font-size: 12.5px; color: var(--muted); margin-top: 14px; }

/* ---------- print ---------- */
@media print {
  body { background: #fff; }
  .topbar, .appfoot, .no-print, .pay-panel { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  .sheet { box-shadow: none; max-width: none; padding: 0; }
  .inv-section, .inv-block { break-inside: avoid; }
  .inv-table-head th { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  @page { margin: 18mm 16mm; }
}

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .form-grid, .two-col, .inv-parties { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
  .item-row .grid, .sec-row .grid { grid-template-columns: 1fr; }
  .sheet { padding: 28px 22px; }
  .topbar { padding: 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}