/* ============================================================
   Post Oak Web Co. — Invoicing admin
   Shares the consulting-site palette: deep green + warm neutrals
   Headline: Fraunces · Body: Inter
   ============================================================ */

:root {
  --green-900: #12362a;
  --green-800: #17452f;
  --green-700: #1e5c46;
  --green-600: #2a7a5c;
  --green-100: #e3efe8;
  --cream: #faf7f1;
  --cream-dark: #f2ecdf;
  --ink: #24312b;
  --ink-soft: #55645c;
  --gold: #c9a24b;
  --gold-soft: #f3e8cf;
  --red: #a4432f;
  --red-soft: #f6e2dc;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(18, 54, 42, 0.08);
  --font-head: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-head); color: var(--green-900); line-height: 1.15; font-weight: 600; }
h2 { font-size: 1.6rem; margin-bottom: 4px; }
h3 { font-size: 1.1rem; }

.container { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

.hidden { display: none !important; }

/* ---------- Login ---------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-card img { height: 46px; margin-bottom: 14px; }
.login-card h1 { font-size: 1.4rem; margin-bottom: 4px; }
.login-card p { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 22px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Header / nav ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 247, 241, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(18, 54, 42, 0.08);
}

.app-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 34px; display: block; }
.brand .tag {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-left: 1px solid var(--cream-dark);
  padding-left: 10px;
}

.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs button {
  border: 0;
  background: transparent;
  font: 600 0.9rem var(--font-body);
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.tabs button:hover { color: var(--green-800); background: var(--green-100); }
.tabs button.active { color: var(--white); background: var(--green-700); }

.header-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 10px;
  font: 600 0.9rem var(--font-body);
  padding: 10px 18px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn-primary { background: var(--green-700); color: var(--white); }
.btn-primary:hover { background: var(--green-800); }
.btn-secondary { background: var(--green-100); color: var(--green-800); }
.btn-secondary:hover { background: #d5e6dc; }
.btn-ghost { background: transparent; color: var(--ink-soft); }
.btn-ghost:hover { color: var(--green-800); background: var(--green-100); }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-danger:hover { background: #eed0c7; }
.btn:disabled { opacity: 0.55; cursor: wait; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; border-radius: 8px; }

/* ---------- Layout ---------- */

main { padding: 30px 0 60px; }

.view-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.view-head p { color: var(--ink-soft); font-size: 0.92rem; }

.card {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}

/* ---------- Stat cards ---------- */

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat .label { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.stat .value { font-family: var(--font-head); font-size: 1.7rem; color: var(--green-900); margin-top: 2px; }
.stat.alert .value { color: var(--red); }
.stat .sub { font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- Tables ---------- */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--cream-dark);
  white-space: nowrap;
}
td { padding: 11px 10px; border-bottom: 1px solid #f4efe4; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
td .muted { color: var(--ink-soft); font-size: 0.82rem; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.empty { color: var(--ink-soft); text-align: center; padding: 26px 10px; font-size: 0.92rem; }

/* ---------- Status chips ---------- */

.chip {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: capitalize;
  white-space: nowrap;
}
.chip.draft { background: var(--cream-dark); color: var(--ink-soft); }
.chip.sent { background: var(--gold-soft); color: #8a6a1f; }
.chip.paid { background: var(--green-100); color: var(--green-700); }
.chip.overdue { background: var(--red-soft); color: var(--red); }
.chip.void { background: #eceae5; color: #9a9890; text-decoration: line-through; }
.chip.paused { background: var(--cream-dark); color: var(--ink-soft); }
.chip.active { background: var(--green-100); color: var(--green-700); }

/* ---------- Forms ---------- */

label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 5px; }
input, select, textarea {
  width: 100%;
  font: 400 0.92rem var(--font-body);
  color: var(--ink);
  background: var(--white);
  border: 1px solid #ddd5c4;
  border-radius: 10px;
  padding: 10px 12px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(42, 122, 92, 0.15);
}
textarea { resize: vertical; min-height: 74px; }
.field { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 14px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--ink); font-weight: 500; }
.check input { width: auto; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.form-error { color: var(--red); font-size: 0.88rem; margin-top: 10px; min-height: 1.2em; }

/* ---------- Line items editor ---------- */

.items-table th, .items-table td { padding: 6px 6px; border-bottom: 0; }
.items-table input { padding: 8px 10px; }
.items-table .qty { width: 90px; }
.items-table .price { width: 130px; }
.items-table .amt { width: 110px; text-align: right; color: var(--ink-soft); font-size: 0.9rem; white-space: nowrap; }
.items-table .rm { width: 36px; text-align: center; }
.rm button { border: 0; background: transparent; color: var(--ink-soft); cursor: pointer; font-size: 1.05rem; line-height: 1; padding: 6px; border-radius: 8px; }
.rm button:hover { color: var(--red); background: var(--red-soft); }
.items-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.items-total { font-family: var(--font-head); font-size: 1.15rem; color: var(--green-900); }

/* ---------- Toast ---------- */

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--green-900);
  color: var(--cream);
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.error { background: var(--red); color: #fff; }

@media (max-width: 720px) {
  .app-header .bar { height: auto; padding: 10px 0; flex-wrap: wrap; }
  .brand .tag { display: none; }
}