@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #fbf5ec;
  --panel: #fffdfa;
  --panel-alt: #fff6e9;
  --text: #2c211b;
  --muted: #6b594c;
  --border: #ecdfcd;
  --border-strong: #e2cfb4;

  --accent: #e0794f;
  --accent-dark: #c85f38;
  --accent-soft: #fbe7dc;
  --accent-text: #a8431f;

  --green: #5f8f6e;
  --green-bg: #e6f0e6;
  --green-text: #3d6449;

  --amber: #cf9a3e;
  --amber-bg: #faf0da;
  --amber-text: #8f6a1f;

  --red: #c1615a;
  --red-bg: #f8e7e4;
  --red-text: #973f38;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 1px 2px rgba(58, 46, 39, 0.05), 0 4px 14px rgba(58, 46, 39, 0.04);

  --font-heading: "Quicksand", "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #211a15;
    --panel: #2b241f;
    --panel-alt: #332921;
    --text: #f6ece0;
    --muted: #cbb9a4;
    --border: #493c31;
    --border-strong: #5a4a3c;

    --accent: #f0a37f;
    --accent-dark: #e88a5f;
    --accent-soft: #45301f;
    --accent-text: #f6c3a8;

    --green: #90bb9f;
    --green-bg: #24342a;
    --green-text: #a9d3b6;

    --amber: #eabb6b;
    --amber-bg: #3a2e19;
    --amber-text: #f0cd8c;

    --red: #e4938d;
    --red-bg: #3a2320;
    --red-text: #f0b0aa;

    --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.2), 0 6px 18px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

header.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

header.topbar h1 {
  font-size: 19px;
  margin: 0;
  color: var(--accent-dark);
}

nav.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--panel-alt);
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

nav.tabs a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-heading);
  transition: background 0.15s ease, color 0.15s ease;
}

nav.tabs a i {
  font-size: 16px;
  line-height: 1;
}

nav.tabs a:hover {
  color: var(--text);
}

nav.tabs a.active {
  background: var(--accent);
  color: #fff8f2;
}

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.page-greeting {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.card .label {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.card .value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.3;
}

.card .sub {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 4px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-soft);
}

.panel h2 {
  margin-top: 0;
  font-size: 17px;
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

th {
  color: var(--muted);
  font-weight: 700;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-heading);
}

.badge.paid { background: var(--green-bg); color: var(--green-text); }
.badge.sent { background: var(--amber-bg); color: var(--amber-text); }
.badge.draft { background: var(--panel-alt); color: var(--muted); border: 1px solid var(--border); }
.badge.overdue { background: var(--red-bg); color: var(--red-text); }

form.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

label {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--panel);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { resize: vertical; }

button, .btn {
  cursor: pointer;
  border: none;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-heading);
  background: var(--accent);
  color: #fff8f2;
  transition: background 0.15s ease, transform 0.05s ease;
}

button:hover, .btn:hover { background: var(--accent-dark); }
button:active, .btn:active { transform: scale(0.98); }

button.secondary, .btn.secondary {
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

button.secondary:hover { background: var(--border); }

button.danger {
  background: var(--red-bg);
  color: var(--red-text);
}

button.danger:hover { background: var(--red); color: #fff8f2; }

.actions-row {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.empty-state {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 34px 0;
}

.status-msg {
  font-size: 13px;
  margin-top: 10px;
  font-weight: 500;
}

.status-msg.ok { color: var(--green-text); }
.status-msg.error { color: var(--red-text); }

select.status-select {
  width: auto;
  display: inline-block;
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 999px;
}

/* Hero status banner (dashboard) */
.hero-banner {
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid transparent;
}

.hero-banner.paid { background: var(--green-bg); border-color: var(--green); }
.hero-banner.upcoming { background: var(--amber-bg); border-color: var(--amber); }
.hero-banner.overdue { background: var(--red-bg); border-color: var(--red); }
.hero-banner.neutral { background: var(--panel-alt); border-color: var(--border); }

.hero-banner .hero-label {
  font-size: 13px;
  margin: 0 0 4px;
  font-weight: 600;
}

.hero-banner .hero-title {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-heading);
  margin: 0;
}

.hero-banner .hero-sub {
  font-size: 13px;
  margin: 4px 0 0;
}

.hero-banner.paid .hero-label,
.hero-banner.paid .hero-sub,
.hero-banner.paid .hero-title { color: var(--green-text); }

.hero-banner.upcoming .hero-label,
.hero-banner.upcoming .hero-sub,
.hero-banner.upcoming .hero-title { color: var(--amber-text); }

.hero-banner.overdue .hero-label,
.hero-banner.overdue .hero-sub,
.hero-banner.overdue .hero-title { color: var(--red-text); }

.hero-banner.neutral .hero-label,
.hero-banner.neutral .hero-sub,
.hero-banner.neutral .hero-title { color: var(--muted); }

.hero-icon { font-size: 34px; line-height: 1; }

/* Progress bar (year collected) */
.progress-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 10px;
}

.progress-row .progress-label { color: var(--muted); font-weight: 500; }
.progress-row .progress-value { font-weight: 700; font-family: var(--font-heading); }

.progress-track {
  height: 10px;
  background: var(--panel-alt);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

/* Activity feed */
.activity-list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.activity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.activity-row:nth-child(even) { background: var(--panel-alt); }
.activity-row:last-child { border-bottom: none; }

.activity-row .activity-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.activity-row .activity-date {
  font-size: 13px;
  color: var(--muted);
}

/* Nudge banner (invoices) */
.nudge-banner {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.nudge-banner .nudge-title {
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-heading);
  margin: 0;
  color: var(--accent-text);
}

.nudge-banner .nudge-sub {
  font-size: 13px;
  margin: 3px 0 0;
  color: var(--accent-text);
  opacity: 0.85;
}

/* Line item editor (new invoice form) */
.line-item-row {
  display: grid;
  grid-template-columns: 1fr 120px 70px 32px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.line-item-row .line-item-gst {
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}

.invoice-totals {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13.5px;
}

.invoice-totals .totals-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  color: var(--muted);
}

.invoice-totals .totals-row.grand-total {
  color: var(--text);
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 16px;
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 8px;
}

/* Invoice line item detail (invoice list) */
.invoice-item-detail {
  font-size: 13px;
  color: var(--muted);
  margin: 2px 0 0;
}

/* Invoice list rows */
.invoice-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}

.invoice-row:nth-child(even) { background: var(--panel-alt); }
.invoice-row:last-child { border-bottom: none; }

.invoice-row .invoice-number {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-heading);
  margin: 0;
}

.invoice-row .invoice-period {
  font-size: 13px;
  color: var(--muted);
  margin: 2px 0 0;
}

.invoice-row .invoice-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.invoice-amount {
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-heading);
}

.icon-btn {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

/* Settings summary cards */
.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
}

.summary-card .summary-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--accent-dark);
}

.summary-table {
  width: 100%;
  font-size: 13px;
}

.summary-table td {
  padding: 7px 0;
  border-bottom: none;
}

.summary-table td:first-child { color: var(--muted); font-weight: 500; }
.summary-table td:last-child { text-align: right; font-weight: 500; }

/* ============ Mobile ============ */
@media (max-width: 640px) {
  main {
    padding: 12px 10px calc(76px + env(safe-area-inset-bottom));
  }

  header.topbar {
    padding: 10px 12px;
    justify-content: center;
  }

  header.topbar h1 {
    font-size: 16px;
    text-align: center;
  }

  /* Bottom tab bar, app-style, instead of the top pill nav */
  nav.tabs {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    background: var(--panel);
    border: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 2px;
    z-index: 100;
  }

  nav.tabs a {
    flex: 1 1 0;
    flex-direction: column;
    gap: 3px;
    text-align: center;
    padding: 6px 4px;
    font-size: 10.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  nav.tabs a i {
    font-size: 21px;
  }

  nav.tabs a.active {
    background: transparent;
    color: var(--accent);
  }

  .page-greeting {
    font-size: 19px;
    margin-bottom: 10px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 16px;
  }

  .card {
    padding: 12px;
  }

  .card .value {
    font-size: 22px;
  }

  .panel, .summary-card {
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 12px;
  }

  .panel h2, .summary-card .summary-heading {
    margin-bottom: 10px;
  }

  .hero-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px;
    gap: 8px;
    margin-bottom: 12px;
  }

  .hero-banner .hero-title {
    font-size: 19px;
  }

  .hero-icon {
    font-size: 24px;
    align-self: flex-end;
    margin-top: -26px;
  }

  form.form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* iOS zooms in on focus if inputs are under 16px */
  input, select, textarea, button, .btn {
    font-size: 16px;
  }

  input, select, textarea {
    padding: 9px 11px;
  }

  button, .btn {
    min-height: 42px;
    padding: 9px 16px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
  }

  .actions-row {
    flex-wrap: wrap;
  }

  .actions-row button, .actions-row .btn {
    flex: 1 1 auto;
  }

  /* Line item editor: stack description above amount/gst/remove */
  .line-item-row {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 8px;
    margin-bottom: 6px;
    background: var(--panel-alt);
    border-radius: var(--radius-sm);
  }

  .line-item-row > div,
  .line-item-row > span {
    grid-column: 1 / -1;
  }

  .line-item-row {
    display: grid;
  }

  .line-item-row input[data-field="amount"] {
    grid-column: 1 / 3;
  }

  .line-item-row .line-item-gst {
    text-align: left;
  }

  .invoice-row {
    flex-direction: column;
    align-items: stretch;
    padding: 10px 12px;
    gap: 6px;
  }

  .invoice-row .invoice-actions {
    justify-content: flex-start;
    width: 100%;
  }

  .invoice-row .invoice-actions .status-select {
    flex: 1 1 auto;
  }

  .nudge-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    margin-bottom: 12px;
  }

  .nudge-banner button {
    width: 100%;
  }

  .activity-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 10px 12px;
  }

  .summary-table td {
    font-size: 13.5px;
    padding: 5px 0;
  }

  .actions-row {
    gap: 6px;
  }
}