.calc-hero {
  padding: 80px 24px 60px;
  text-align: center;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 65% 45% at 50% 0%, rgba(232,160,32,0.1) 0%, transparent 65%);
}

.calc-hero-inner {
  max-width: 620px;
  margin: 0 auto;
}

.calc-hero .hero-logo {
  margin-bottom: 40px;
}

.calc-layout,
.page-layout {
  padding: 48px 24px 80px;
}

.calc-main {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

/* CARD */
.calc-card {
  background: rgba(22, 21, 31, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(232,160,32,0.15);
  border-radius: 4px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: inset 0 0 60px rgba(232,160,32,0.04), 0 4px 24px rgba(0,0,0,0.2);
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.calc-field label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.field-lock {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  transition: color 0.15s;
  flex-shrink: 0;
}

.field-lock svg { width: 11px; height: 11px; }
.field-lock:hover { color: var(--text-muted); }
.field-lock.locked { color: var(--accent); }

.field-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-faint);
  font-size: 0.72rem;
}

.calc-field input[type="text"],
.calc-field input[type="number"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}

.calc-field input::-webkit-outer-spin-button,
.calc-field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.calc-field input:focus {
  border-color: var(--accent);
}

.field-error {
  border-color: #dc2626 !important;
  background-color: rgba(220, 38, 38, 0.06) !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15) !important;
}

.calc-field input::placeholder {
  color: var(--text-faint);
}

.currency-sync {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a88a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  padding-right: 36px;
}

.currency-sync:focus {
  border-color: var(--accent);
}

.currency-sync option {
  background: var(--surface-2);
  color: var(--text);
}

.input-prefix {
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.input-prefix:focus-within {
  border-color: var(--accent);
}

.input-prefix span {
  padding: 12px 12px;
  font-size: 0.88rem;
  color: var(--accent);
  font-weight: 600;
  border-right: 1px solid var(--border);
  user-select: none;
}

.input-prefix input {
  border: none !important;
  background: transparent;
  flex: 1;
}

.input-suffix {
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.input-suffix:focus-within {
  border-color: var(--accent);
}

.input-suffix span {
  padding: 12px 12px;
  font-size: 0.88rem;
  color: var(--text-faint);
  font-weight: 600;
  border-left: 1px solid var(--border);
  user-select: none;
}

.input-suffix input {
  border: none !important;
  background: transparent;
  flex: 1;
}

.time-row {
  display: flex;
  gap: 8px;
}

.time-row .input-suffix {
  flex: 1;
}

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

.calc-field:first-child:last-child {
  margin-bottom: 16px;
}

.calc-card > .calc-field {
  margin-bottom: 16px;
}

.toggle-row {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  flex: 1;
  padding: 12px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.toggle-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.toggle-btn:hover:not(.active) {
  border-color: var(--border-hover);
  color: var(--text);
}

.calc-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ── ROUND UP CONTROL ───────────────────────────────────── */
.round-wrap {
  position: relative;
  margin-left: auto;
}

.round-btn {
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.round-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.round-btn--active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.round-popup {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  min-width: 160px;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.round-popup.hidden { display: none; }

.round-popup-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.round-option {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 7px 10px;
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 5px;
  transition: all 0.15s;
}

.round-option:last-child { margin-bottom: 0; }

.round-option:hover,
.round-option.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.round-option--clear {
  border-color: transparent;
  color: var(--text-faint);
  font-size: 0.78rem;
}

.round-option--clear:hover {
  border-color: var(--border);
  color: var(--text-muted);
  background: transparent;
}

.calc-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 55%, #c96f0a 100%);
  color: #0d0c14;
  border: none;
  border-radius: 3px;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.calc-btn svg {
  width: 14px;
  height: 14px;
}

.calc-btn:hover { opacity: 0.88; }
.calc-btn:active { transform: scale(0.97); }
.calc-btn.btn-error {
  background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
  color: #fff;
  animation: btn-shake 0.35s ease;
}
@keyframes btn-shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-5px); }
  40%       { transform: translateX(5px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.clear-btn {
  padding: 13px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.clear-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* RESULT CARD */
.result-card {
  background: var(--accent-glow);
  border: 1px solid rgba(232,160,32,0.25);
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, #fcd34d, #c96f0a) 1;
  border-radius: 4px;
  padding: 24px 28px;
  margin-bottom: 20px;
  animation: fadeUp 0.3s ease forwards;
}

.result-card.hidden {
  display: none;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.result-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.result-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.result-value--main {
  font-size: 1.6rem;
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 50%, #c96f0a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-value--profit {
  color: #4ade80;
}

.result-value--tax {
  color: #f87171;
}

.result-value--total {
  font-size: 1.4rem;
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 50%, #c96f0a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.save-btn {
  background: transparent;
  border: 1px solid rgba(232,160,32,0.3);
  border-radius: 3px;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--accent);
  cursor: pointer;
  transition: all 0.15s;
}

.save-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* PRESETS */
.presets-section {
  padding-top: 8px;
}

.presets-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.presets-header .section-label {
  margin-bottom: 0;
}

.export-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.export-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.inv-filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.inv-filter-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.inv-filter-btn:hover { border-color: var(--accent); color: var(--text); }
.inv-filter-btn--active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}
.inv-filter-empty {
  font-size: 0.85rem;
  color: var(--text-faint);
  padding: 16px 0;
}

.preset-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 36px 16px 16px;
  cursor: pointer;
  transition: all 0.15s;
}

.preset-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.preset-card--active {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.activate-btn {
  margin-top: 8px;
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.15s;
}

.activate-btn--active {
  color: var(--accent);
  cursor: default;
}

.activate-btn--inactive {
  color: var(--text-faint);
  cursor: pointer;
}

.activate-btn--inactive:hover {
  color: var(--text-muted);
}

.preset-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-total {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 50%, #c96f0a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.preset-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.preset-delete {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--text-faint);
  transition: color 0.15s;
  display: flex;
  align-items: center;
}

.preset-delete svg {
  width: 13px;
  height: 13px;
}

.preset-delete:hover {
  color: #f87171;
}

.tools-intro {
  font-size: 0.8rem;
  color: rgba(240,238,248,0.45);
  text-align: center;
  padding: 0 8px 16px;
  line-height: 1.6;
}

/* ── TABS ───────────────────────────────────────────────── */
.tab-strip {
  display: flex;
  align-items: stretch;
  gap: 3px;
  margin-bottom: -1px;
  position: relative;
  z-index: 1;
}

.tab-btn {
  box-sizing: border-box;
  min-width: 0;
  flex: 1;
  padding: 13px 18px;
  border-radius: 8px 8px 0 0;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  letter-spacing: 0.01em;
}

.tab-btn.active {
  background: rgba(22, 21, 31, 0.85);
  border: 1px solid rgba(232,160,32,0.15);
  border-bottom-color: rgba(22, 21, 31, 0.85);
  color: var(--text);
  box-shadow: inset 0 0 40px rgba(232,160,32,0.04);
}

.tab-btn:not(.active) {
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 55%, #c96f0a 100%);
  color: #0d0c14;
  border-bottom: 1px solid var(--border);
}

.tab-btn:not(.active):hover { opacity: 0.88; }

.tab-panel.hidden { display: none; }

.tab-panel {
  animation: tabIn 0.35s ease forwards;
}

@keyframes tabIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Cards connect flush to the tab strip */
.tab-panel > .calc-card:first-child {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-top: none;
}


/* ── DATE INPUT ─────────────────────────────────────────── */
.calc-field input[type="date"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  color-scheme: dark;
}

.calc-field input[type="date"]:focus {
  border-color: var(--accent);
}

/* ── TEXTAREA ───────────────────────────────────────────── */
.calc-textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  resize: vertical;
  transition: border-color 0.2s;
  line-height: 1.6;
}

.calc-textarea:focus { border-color: var(--accent); }
.calc-textarea::placeholder { color: var(--text-faint); }

/* ── LINE ITEMS ─────────────────────────────────────────── */
.line-items-section { margin-top: 20px; }

.line-items-header {
  display: grid;
  grid-template-columns: 1fr 72px 100px 100px 28px;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.line-item-row {
  display: grid;
  grid-template-columns: 1fr 72px 100px 100px 28px;
  gap: 8px;
  margin-bottom: 6px;
  align-items: center;
}

.line-item-row input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 9px 10px;
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}

.line-item-row input::-webkit-outer-spin-button,
.line-item-row input::-webkit-inner-spin-button { -webkit-appearance: none; }
.line-item-row input:focus { border-color: var(--accent); }
.line-item-row input::placeholder { color: var(--text-faint); }

.li-total {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.li-delete {
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--text-faint);
  transition: color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.li-delete svg { width: 13px; height: 13px; }
.li-delete:hover { color: #f87171; }

.add-line-btn {
  margin-top: 8px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 3px;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
}

.add-line-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── LOGO UPLOAD ────────────────────────────────────────── */
.logo-upload-area {
  position: relative;
  border: 1px dashed var(--border);
  border-radius: 3px;
  padding: 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.logo-upload-area:hover { border-color: var(--accent); }

.logo-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.logo-upload-prompt {
  font-size: 0.82rem;
  color: var(--text-faint);
}

.logo-preview-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.logo-preview-wrap.hidden { display: none; }

.inv-logo-preview {
  max-height: 48px;
  max-width: 160px;
  object-fit: contain;
  border-radius: 2px;
}

.logo-remove-btn {
  font-size: 0.78rem;
  font-family: 'Inter', sans-serif;
  color: var(--text-faint);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
  padding: 0;
}

.logo-remove-btn:hover { color: #f87171; }

/* ── QUICK ADD ──────────────────────────────────────────── */
.quick-add-section {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.quick-add-section.hidden { display: none; }

.quick-add-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.quick-add-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.quick-add-chip {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.quick-add-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── INVOICE PREVIEW ────────────────────────────────────── */
.invoice-preview-wrap.hidden { display: none; }

.invoice-actions {
  display: flex;
  justify-content: flex-end;
  margin: 20px 0 14px;
}

.invoice-preview {
  background: #fff;
  border-radius: 4px;
  padding: 40px;
  color: #111;
  box-shadow: 0 4px 24px rgba(0,0,0,0.45);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  min-height: 297mm;
}

.inv-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
}

.inv-from strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: #111;
}

.inv-from span { font-size: 0.85rem; color: #666; }

.inv-label {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: #111;
}

.inv-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid #111;
}

.inv-to { display: flex; flex-direction: column; gap: 4px; }
.inv-to strong { font-size: 0.95rem; color: #111; }
.inv-details { display: flex; flex-direction: column; gap: 6px; text-align: right; }

.inv-detail-row {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  font-size: 0.85rem;
  color: #111;
}

.inv-meta-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  display: block;
  margin-bottom: 2px;
}

.inv-table { width: 100%; border-collapse: collapse; }

.inv-table th {
  text-align: left;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  padding: 8px 10px;
  border-bottom: 1px solid #e0e0e0;
}

.inv-table th.num,
.inv-table td.num { text-align: right; }

.inv-table td {
  padding: 10px 10px;
  font-size: 0.88rem;
  border-bottom: 1px solid #f0f0f0;
  color: #111;
}

.inv-table .totals-row td { border-bottom: none; padding-top: 12px; }
.inv-table .subtotal-row td { border-top: 1px solid #e0e0e0; }
.inv-table .total-row td { font-size: 1rem; }

.inv-payment {
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
}

.inv-payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin-top: 10px;
}

.inv-payment-grid > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.85rem;
  color: #111;
}

.inv-notes {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
}

.inv-notes p { font-size: 0.85rem; color: #555; line-height: 1.6; margin-top: 6px; }

/* Form section dividers */
.form-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin: 20px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.form-section-label:first-child { margin-top: 0; }

/* Collapsible invoice sections */
.inv-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.inv-section-header:first-child { margin-top: 0; }

.inv-section-header .form-section-label {
  margin: 0;
  padding: 0;
  border: none;
}

.inv-collapse-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  padding: 2px;
  flex-shrink: 0;
  transition: color 0.15s;
}

.inv-collapse-btn:hover { color: var(--text-muted); }

.inv-collapse-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.inv-collapse-btn.collapsed svg { transform: rotate(-90deg); }

.inv-section-body.collapsed { display: none; }

/* ── CUSTOM PRICING ─────────────────────────────────────── */
.result-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.result-value--custom {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
  font-weight: 600;
}

.custom-total-input {
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--accent);
  border-radius: 0;
  padding: 2px 0;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  color: var(--accent);
  outline: none;
  width: 100%;
  -moz-appearance: textfield;
}

.custom-total-input::-webkit-outer-spin-button,
.custom-total-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.custom-total-wrap {
  margin-top: 16px;
}

.custom-total-wrap.hidden { display: none; }

.edit-total-btn {
  background: transparent;
  border: 1px solid rgba(232,160,32,0.3);
  border-radius: 3px;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--accent);
  cursor: pointer;
  transition: all 0.15s;
}

.edit-total-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.edit-total-btn.hidden { display: none; }

.reset-total-btn {
  background: transparent;
  border: none;
  padding: 8px 4px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.reset-total-btn:hover { color: var(--text); }
.reset-total-btn.hidden { display: none; }

/* ── INVOICE STATUS BADGE ───────────────────────────────── */
.inv-status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  font-family: 'Inter', sans-serif;
  margin-top: 6px;
  transition: opacity 0.15s;
}

.inv-status-badge:hover { opacity: 0.7; }

.inv-status-badge--awaiting {
  background: rgba(232, 160, 32, 0.12);
  color: #e8a020;
}

.inv-status-badge--paid {
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
}

.inv-status-badge--overdue {
  background: rgba(248, 113, 113, 0.12);
  color: #f87171;
}

/* ── MOBILE ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .calc-hero {
    padding: 52px 20px 40px;
  }

  .calc-layout {
    padding: 28px 16px 60px;
  }

  .calc-card {
    padding: 20px 18px;
  }

  .calc-row {
    grid-template-columns: 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .result-value--main {
    font-size: 1.3rem;
  }

  .calc-actions {
    flex-direction: column;
  }

  .calc-btn {
    justify-content: center;
    width: 100%;
  }

  .clear-btn {
    width: 100%;
    text-align: center;
  }

  .tab-strip {
    margin-bottom: 0;
    gap: 2px;
  }

  .tab-btn {
    padding: 11px 10px;
    font-size: 0.75rem;
  }


  .line-items-header {
    grid-template-columns: 1fr 44px 72px 68px 24px;
    font-size: 0.6rem;
    gap: 4px;
  }

  .line-item-row {
    grid-template-columns: 1fr 44px 72px 68px 24px;
    gap: 4px;
  }

  .line-item-row input {
    padding: 8px 6px;
    font-size: 0.82rem;
  }

  .invoice-preview {
    padding: 20px 16px;
    min-height: unset;
  }

  .inv-label {
    font-size: 1.1rem;
    letter-spacing: 0;
  }

  .inv-meta {
    flex-direction: column;
    gap: 16px;
  }

  .inv-details {
    text-align: left;
  }

  .inv-detail-row {
    justify-content: flex-start;
  }
}

/* ── GUIDED TOUR ─────────────────────────────────────────── */

.tour-trigger-wrap {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.tour-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: 20px;
  color: rgba(240,238,248,0.5);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, color 0.2s;
}

.tour-trigger-btn:hover {
  border-color: rgba(232,160,32,0.6);
  color: var(--accent);
}

.tour-trigger-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* Selection modal */
.tour-select-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 9100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.tour-select-modal--visible { opacity: 1; }

.tour-select-inner {
  background: var(--surface);
  border: 1px solid rgba(232,160,32,0.18);
  border-radius: 8px;
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.55);
}

.tour-select-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.tour-select-sub {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.tour-select-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.tour-select-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  background: rgba(240,238,248,0.03);
  border: 1px solid rgba(240,238,248,0.07);
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
  font-family: 'Inter', sans-serif;
  color: var(--text);
}

.tour-select-opt:hover {
  background: rgba(232,160,32,0.07);
  border-color: rgba(232,160,32,0.28);
}

.tour-select-opt--featured {
  border-color: rgba(232,160,32,0.22);
  background: rgba(232,160,32,0.05);
}

.tour-opt-name {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-opt-recommended {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(232,160,32,0.1);
  padding: 2px 7px;
  border-radius: 10px;
}

.tour-opt-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex: 2;
}

.tour-opt-steps {
  font-size: 0.74rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.tour-cancel-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  cursor: pointer;
  text-align: center;
  transition: color 0.15s;
}

.tour-cancel-btn:hover { color: var(--text); }

/* Spotlight highlight */
.tour-highlight {
  position: fixed;
  z-index: 9000;
  pointer-events: none;
  border-radius: 6px;
  box-shadow:
    0 0 0 9999px rgba(0,0,0,0.6),
    0 0 0 2px rgba(232,160,32,0.55),
    0 0 20px rgba(232,160,32,0.15);
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* Tooltip */
.tour-tooltip {
  position: fixed;
  z-index: 9001;
  width: 300px;
  background: var(--surface);
  border: 1px solid rgba(232,160,32,0.2);
  border-radius: 8px;
  padding: 18px 20px 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.55);
  pointer-events: all;
  display: none;
  transition: opacity 0.18s ease;
}

.tour-tooltip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
}

.tour-step-counter {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.tour-skip-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.tour-skip-btn:hover { color: var(--text); }

.tour-tooltip-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 7px;
  line-height: 1.3;
}

.tour-tooltip-body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.tour-tooltip-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.tour-back-btn {
  padding: 7px 14px;
  background: transparent;
  border: 1px solid rgba(240,238,248,0.1);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.tour-back-btn:hover {
  border-color: rgba(240,238,248,0.22);
  color: var(--text);
}

.tour-next-btn {
  padding: 7px 16px;
  background: linear-gradient(135deg, #fcd34d 0%, #e8a020 55%, #c96f0a 100%);
  border: none;
  border-radius: 4px;
  color: #0d0c14;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}

.tour-next-btn:hover { opacity: 0.88; }

/* Completion modal */
.tour-complete-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 9100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.tour-complete-modal--visible { opacity: 1; }

.tour-complete-inner {
  background: var(--surface);
  border: 1px solid rgba(232,160,32,0.18);
  border-radius: 8px;
  padding: 36px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.55);
}

.tour-complete-eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.tour-complete-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.tour-complete-body {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tour-complete-body a {
  color: var(--accent);
  text-decoration: none;
}

.tour-complete-actions {
  display: flex;
  justify-content: center;
}

.inv-close-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s;
  padding: 24px;
}
.inv-close-modal--visible { opacity: 1; }
.inv-close-modal-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 28px 24px;
  max-width: 380px;
  width: 100%;
}
.inv-close-modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.inv-close-modal-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}
.inv-close-modal-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 500;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}
.cookie-banner--visible { transform: translateY(0); }
.cookie-banner-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  min-width: 200px;
}
.cookie-banner-link { color: var(--accent); text-decoration: none; }
.cookie-banner-link:hover { text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-banner-actions .calc-btn { padding: 9px 20px; font-size: 0.82rem; }
.cookie-banner-actions .clear-btn { font-size: 0.82rem; }

.tour-complete-dismiss {
  padding: 11px 28px;
  background: transparent;
  border: 1px solid rgba(232,160,32,0.5);
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Inter', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.tour-complete-dismiss:hover {
  background: rgba(232,160,32,0.08);
  border-color: rgba(232,160,32,0.8);
}

@media (max-width: 640px) {
  .tour-tooltip {
    width: calc(100vw - 32px) !important;
    left: 16px !important;
  }

  .tour-select-inner,
  .tour-complete-inner {
    padding: 24px 20px;
  }

  .tour-opt-desc { display: none; }
}