/* Studio OS — Invoicing module */

.invoicing {
  padding: 36px 36px 80px;
  width: 100%;
}
.iv-stats { margin-bottom: 18px; }

/* ─── Body: list + detail ───────────────────────────────────────────── */
.iv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 440px);
  gap: 20px;
  align-items: flex-start;
}
@media (max-width: 1180px) {
  .iv-body { grid-template-columns: minmax(0, 1fr); }
  .iv-detail { position: static; max-height: none; }
}

/* List */
.iv-list {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.iv-list-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.iv-list-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.iv-list-count { color: var(--text-faint); margin-left: 4px; }
.iv-list-filters {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px;
}
.iv-list-filter {
  height: 24px;
  padding: 0 11px;
  background: transparent;
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 11px;
}
.iv-list-filter:hover { color: var(--text-primary); }
.iv-list-filter.active { background: var(--surface-3); color: var(--accent); }
.iv-list-scroll { display: flex; flex-direction: column; }
.iv-list-empty { padding: 40px; text-align: center; color: var(--text-muted); font-style: italic; font-family: var(--font-serif); }
.iv-list-new { margin: 12px; width: calc(100% - 24px); }

/* Row */
.iv-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 13px;
  padding: 13px 14px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  text-align: left;
  cursor: pointer;
  position: relative;
  transition: background 0.1s;
}
.iv-row:hover { background: var(--surface-2); }
.iv-row.selected { background: color-mix(in oklab, var(--accent) 7%, var(--surface)); }
.iv-row.selected::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.iv-row.void { opacity: 0.5; }
.iv-row-avatar {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, oklch(0.32 0.02 60), oklch(0.22 0.012 80));
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 12px; font-weight: 600;
}
.iv-row-body { min-width: 0; }
.iv-row-line1 { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.iv-row-id { font-size: 10px; color: var(--text-faint); letter-spacing: 0.04em; flex-shrink: 0; }
.iv-row-client {
  font-size: 13.5px; font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.iv-row-proj {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-family: var(--font-serif);
  font-style: italic;
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.iv-row-line3 {
  font-size: 9.5px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 4px;
}
.iv-row-line3 .overdue { color: var(--red); }
.iv-row-tail {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.iv-row-amount { font-size: 14px; color: var(--text-primary); font-variant-numeric: tabular-nums; font-weight: 500; }
.iv-row-partial { font-size: 9.5px; color: var(--text-faint); }
.iv-pill {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid;
  border-radius: 9px;
  font-weight: 600;
}
.iv-pill.big { font-size: 10px; padding: 3px 10px; }

/* ─── Detail — invoice as document ──────────────────────────────────── */
.iv-detail {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 18px;
  position: sticky;
  top: 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.iv-detail.empty { align-items: center; justify-content: center; text-align: center; min-height: 340px; }
.iv-detail-empty-glyph { font-size: 30px; color: var(--text-faint); margin-bottom: 8px; }
.iv-detail-empty-title { font-family: var(--font-serif); font-style: italic; font-size: 16px; color: var(--text-secondary); margin-bottom: 6px; }
.iv-detail-empty-body { font-size: 11.5px; color: var(--text-muted); max-width: 260px; line-height: 1.5; }

.iv-detail-head { display: flex; align-items: center; justify-content: space-between; }
.iv-detail-kicker {
  font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex; align-items: center; gap: 7px;
}
.iv-detail-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--status-color, var(--accent));
  box-shadow: 0 0 6px var(--status-color, var(--accent));
}

/* The paper */
.iv-doc {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.iv-doc::before {
  content: "";
  position: absolute; top: 0; left: 12px; right: 12px; height: 2px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
  opacity: 0.8;
}
.iv-doc-head { display: flex; justify-content: space-between; gap: 14px; }
.iv-doc-studio { font-size: 11px; letter-spacing: 0.14em; color: var(--text-primary); font-weight: 600; }
.iv-doc-sub { font-size: 9px; color: var(--text-faint); letter-spacing: 0.04em; margin-top: 3px; }
.iv-doc-meta { display: flex; flex-direction: column; gap: 3px; }
.iv-doc-meta-row {
  display: flex; justify-content: space-between; gap: 14px;
  font-size: 10.5px;
}
.iv-doc-meta-row > .mono {
  font-size: 8.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-faint);
}
.iv-doc-meta-row > span:last-child { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.iv-doc-meta-row .overdue { color: var(--red); }

.iv-doc-billto {
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
}
.iv-doc-billto-k { font-size: 8.5px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 4px; }
.iv-doc-billto-name { font-size: 13.5px; font-weight: 500; color: var(--text-primary); letter-spacing: -0.005em; }
.iv-doc-billto-sub { font-size: 9.5px; color: var(--text-muted); margin-top: 2px; }
.iv-doc-billto-proj {
  font-size: 11.5px; color: var(--text-secondary);
  font-family: var(--font-serif); font-style: italic;
  margin-top: 5px;
}

/* Line items */
.iv-lines { display: flex; flex-direction: column; }
.iv-line {
  display: grid;
  grid-template-columns: 1fr 30px 64px 72px;
  gap: 8px;
  align-items: baseline;
  padding: 7px 2px;
  border-bottom: 1px dotted var(--border);
  font-size: 12px;
}
.iv-line:last-child { border-bottom: none; }
.iv-line.head {
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 5px;
}
.iv-line.head .mono {
  font-size: 8.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-faint);
}
.iv-line.head .mono:not(:first-child) { text-align: right; }
.iv-line-desc {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-primary);
  letter-spacing: -0.005em;
  min-width: 0;
}
.iv-line-kind {
  width: 3px; height: 12px;
  border-radius: 1px;
  flex-shrink: 0;
}
.iv-line-num { text-align: right; font-size: 11px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.iv-line-num.strong { color: var(--text-primary); }
.iv-line.credit .iv-line-desc,
.iv-line.credit .iv-line-num { color: oklch(0.75 0.14 145); }

/* Totals */
.iv-totals {
  display: flex; flex-direction: column; gap: 5px;
  padding-top: 10px;
  border-top: 1px solid var(--border-strong);
}
.iv-total-row {
  display: flex; justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.iv-total-row.paid { color: oklch(0.75 0.14 145); }
.iv-total-row.grand {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
  padding-top: 6px;
  margin-top: 3px;
  border-top: 1px dashed var(--border);
}
.iv-total-row.grand span:last-child { color: var(--accent); }

/* Payments */
.iv-payments { padding-top: 4px; }
.iv-section-head {
  font-size: 9.5px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: 8px; font-weight: 500;
}
.iv-payment {
  display: flex; align-items: baseline; gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dotted var(--border);
  font-size: 11.5px;
}
.iv-payment:last-child { border-bottom: none; }
.iv-payment-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: oklch(0.72 0.14 145);
  box-shadow: 0 0 6px oklch(0.72 0.14 145);
  align-self: center;
  flex-shrink: 0;
}
.iv-payment-date { color: var(--text-primary); font-size: 10.5px; }
.iv-payment-method { color: var(--text-faint); font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; }
.iv-payment-amt { margin-left: auto; color: oklch(0.75 0.14 145); font-variant-numeric: tabular-nums; }

/* Notes */
.iv-notes {
  display: flex; gap: 8px;
  padding: 11px 13px;
  background: color-mix(in oklab, var(--accent) 5%, var(--surface-2));
  border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--border));
  border-radius: var(--radius);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.iv-notes-glyph { color: var(--accent); font-style: normal; flex-shrink: 0; }

.iv-detail-actions { display: flex; flex-direction: column; gap: 6px; }
.iv-detail-actions .tb-btn { width: 100%; }

/* ═════════════════════════════════════════════════════════════════════
   New Invoice modal
   ═════════════════════════════════════════════════════════════════════ */
.ni-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: oklch(0.10 0.005 65 / 0.7);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 30px;
  animation: niFade 0.15s ease-out;
}
@keyframes niFade { from { opacity: 0; } to { opacity: 1; } }

.ni-modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 60px);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 0 oklch(0.32 0.008 65 / 0.5) inset,
    0 10px 30px rgba(0,0,0,0.5),
    0 40px 90px -30px rgba(0,0,0,0.8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: niIn 0.18s ease-out;
}
@keyframes niIn { from { opacity: 0; transform: translateY(8px) scale(0.99); } to { opacity: 1; transform: none; } }

.ni-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.ni-kicker {
  font-size: 9.5px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 7px;
  margin-bottom: 6px;
}
.ni-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.ni-title { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; margin: 0; color: var(--text-primary); }
.ni-close {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid var(--border); border-radius: 5px;
  color: var(--text-faint); font-size: 15px;
}
.ni-close:hover { color: var(--text-primary); border-color: var(--border-strong); }

.ni-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ni-section-head {
  font-size: 9.5px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-secondary); font-weight: 500;
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 10px;
}
.ni-step {
  display: inline-grid; place-items: center;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent) 14%, var(--surface-3));
  border: 1px solid color-mix(in oklab, var(--accent) 35%, var(--border));
  color: var(--accent);
  font-size: 9.5px; font-weight: 600;
}
.ni-optional { color: var(--text-faint); font-weight: 400; letter-spacing: 0.06em; }

.ni-grid2 { display: grid; grid-template-columns: 1fr 180px; gap: 10px; }
.ni-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.ni-field-k { font-size: 8.5px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-faint); }
.ni-select, .ni-input {
  height: 34px;
  padding: 0 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-primary);
  font-size: 12.5px;
  font-family: var(--font-sans);
  width: 100%;
}
.ni-select option { background: var(--surface); }
.ni-select:focus, .ni-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.ni-input::placeholder { color: var(--text-faint); font-style: italic; font-family: var(--font-serif); }
.ni-select.small { height: 30px; font-size: 11px; padding: 0 6px; }
.ni-input.num { text-align: right; font-family: var(--font-mono); font-size: 11.5px; height: 30px; }

.ni-hint {
  margin-top: 8px;
  padding: 7px 10px;
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 28%, var(--border));
  border-radius: 4px;
}

/* Booking picker */
.ni-bookings { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.ni-booking {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px 9px 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-align: left;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.ni-booking:hover { border-color: var(--border-strong); }
.ni-booking.active {
  border-color: var(--bk-color);
  background: color-mix(in oklab, var(--bk-color) 8%, var(--surface-2));
}
.ni-booking-rail { width: 3px; align-self: stretch; background: var(--bk-color); flex-shrink: 0; }
.ni-booking-body { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ni-booking-artist {
  font-size: 12px; font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ni-booking-meta { font-size: 9px; color: var(--text-faint); letter-spacing: 0.04em; text-transform: uppercase; }
.ni-booking-check { margin-left: auto; color: var(--bk-color); font-size: 12px; flex-shrink: 0; }

/* Line editor */
.ni-lines { display: flex; flex-direction: column; gap: 4px; }
.ni-line {
  display: grid;
  grid-template-columns: 1fr 92px 44px 70px 76px 24px;
  gap: 6px;
  align-items: center;
}
.ni-line.head {
  padding-bottom: 2px;
}
.ni-line.head .mono {
  font-size: 8.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-faint);
}
.ni-line.head .mono:nth-child(3),
.ni-line.head .mono:nth-child(4),
.ni-line.head .mono:nth-child(5) { text-align: right; }
.ni-line-amt {
  font-size: 11.5px;
  text-align: right;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.ni-line-del {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: transparent; border: none;
  color: var(--text-faint); font-size: 14px;
  border-radius: 4px;
  cursor: pointer;
}
.ni-line-del:hover { color: var(--red); background: color-mix(in oklab, var(--red) 14%, transparent); }

.ni-addline {
  margin-top: 8px;
  height: 30px;
  padding: 0 12px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-radius: 5px;
  color: var(--text-muted);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  cursor: pointer;
}
.ni-addline:hover { color: var(--accent); border-color: var(--accent); }

/* Footer */
.ni-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-strong);
  background: var(--surface-2);
}
.ni-total { display: flex; align-items: baseline; gap: 10px; }
.ni-total-k { font-size: 9.5px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-faint); }
.ni-total-v { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--accent); font-variant-numeric: tabular-nums; }
.ni-foot-actions { display: flex; gap: 8px; }
.ni-foot-actions .tb-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Record payment: quick-fill chips (desktop) */
.ni-quick { display: flex; gap: 6px; flex-wrap: wrap; margin: -4px 0 10px; }
.ni-quick .cs-chip { height: 26px; padding: 0 10px; border-radius: 13px; border: 1px solid var(--border-strong); font-size: 11.5px; color: var(--text-secondary); background: transparent; }
.ni-quick .cs-chip.on { border-color: var(--accent); color: var(--accent); }