/* ===================== CREATE INVOICE PAGE ===================== */
.create-invoice-page {
  padding: 2rem;
  max-width: 960px;
  margin: 0 auto;
  min-height: 100vh;
}

.invoice-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.invoice-header-compact h1 {
  margin: 0;
  font-size: 1.375rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.btn-back {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.8125rem;
  transition: all 0.15s ease;
}

.btn-back:hover {
  background: #f8fafc;
  color: var(--text-primary);
  border-color: #cbd5e1;
}

.invoice-form-compact {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  box-shadow: var(--shadow-xs);
}

.form-grid-compact {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.notes-grid-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-field-compact {
  display: flex;
  flex-direction: column;
}

.form-field-compact.full-width {
  grid-column: 1 / -1;
}

.form-field-compact label {
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.form-field-compact input,
.form-field-compact select,
.form-field-compact textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: #ffffff;
  resize: vertical;
  min-height: 36px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field-compact input:focus,
.form-field-compact select:focus,
.form-field-compact textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

/* Date input wrapper */
.date-input-wrapper {
  position: relative;
  display: flex;
  align-items: stretch;
}

.date-input-wrapper input[type="date"] {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.date-input-wrapper input[type="date"]:focus {
  z-index: 1;
}

.date-picker-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.625rem;
  background: var(--primary);
  color: white;
  border: 1px solid var(--primary);
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.date-picker-btn:hover {
  background: var(--primary-hover);
}

/* Lines section */
.lines-section-compact {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.lines-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.lines-header-compact h3 {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.btn-add-compact {
  background: #f8fafc;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.8125rem;
  transition: all 0.15s;
}

.btn-add-compact:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.lines-table-compact {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

/* Column headers */
.lines-columns-header {
  display: grid;
  grid-template-columns: 4fr 0.8fr 1.2fr 0.8fr 1.2fr 40px;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.25rem;
}

.line-row-compact {
  display: grid;
  grid-template-columns: 4fr 0.8fr 1.2fr 0.8fr 1.2fr 40px;
  gap: 0.75rem;
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.75rem;
  transition: border-color 0.15s ease;
}

.line-row-compact:hover {
  border-color: #cbd5e1;
}

.line-label-mobile { display: none; }
.line-field { display: flex; flex-direction: column; }

.line-desc-compact,
.line-qty-compact,
.line-price-compact,
.line-tax-compact {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.8125rem;
  background: white;
  color: var(--text-primary);
  transition: border-color 0.15s ease;
}

.line-desc-compact { width: 100%; }

.line-desc-compact:focus,
.line-qty-compact:focus,
.line-price-compact:focus,
.line-tax-compact:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.line-total-compact {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
  text-align: right;
  padding: 0.4rem 0.25rem;
}

.btn-delete-compact {
  background: transparent;
  color: var(--text-tertiary);
  border: 1px solid transparent;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.btn-delete-compact:hover {
  color: #ef4444;
  background: #fee2e2;
}

/* Grand total */
.invoice-grand-total {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.75rem;
  padding: 0.875rem 1rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  max-width: 280px;
  margin-left: auto;
}

.grand-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.grand-total-row strong {
  color: var(--text-primary);
  font-weight: 600;
}

.grand-total-final {
  padding-top: 0.4rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9375rem;
}

.grand-total-final strong {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
}

/* Form actions */
.form-actions-compact {
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  margin-top: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.btn-cancel-compact {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.8125rem;
  transition: all 0.15s;
}

.btn-cancel-compact:hover {
  background: #f8fafc;
  color: var(--text-primary);
}

.btn-submit-compact {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.8125rem;
  transition: background 0.15s;
}

.btn-submit-compact:hover {
  background: var(--primary-hover);
}

.btn-submit-compact:disabled {
  background: #e2e8f0;
  color: #94a3b8;
  cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
  .create-invoice-page {
    padding: 0.5rem;
    height: calc(100vh - 1rem);
  }

  .form-grid-compact {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .form-field-compact.full-width { grid-column: 1; }
  .lines-columns-header { display: none; }

  .line-row-compact {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding: 0.625rem;
  }

  .line-label-mobile {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.15rem;
  }

  .line-field-desc { grid-column: 1 / -1; }
  .line-field-actions { grid-column: 2; justify-self: end; }
  .invoice-grand-total { max-width: 100%; }
}