/* ==========================================================
   EpicTools — Invoice Generator
   Requires css/main.css (design tokens) loaded first.
   ========================================================== */

/* ──────────────────────────────────────────────────────────
   UTILITIES
────────────────────────────────────────────────────────── */
.ig-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ──────────────────────────────────────────────────────────
   ACTION BAR
────────────────────────────────────────────────────────── */
.ig-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: flex-end;
  margin-bottom: var(--sp-4);
}

/* ──────────────────────────────────────────────────────────
   BUTTONS
────────────────────────────────────────────────────────── */
.ig-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}
.ig-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
.ig-btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.ig-btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.ig-btn--secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-color: var(--color-border-solid);
}
.ig-btn--secondary:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-strong);
}
.ig-btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-solid);
}
.ig-btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-bg-elevated);
}
.ig-btn--danger {
  background: transparent;
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}
.ig-btn--danger:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}
.ig-btn--sm {
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.8125rem;
}
.ig-btn--icon {
  padding: var(--sp-2);
  min-width: 0;
}

/* ──────────────────────────────────────────────────────────
   TWO-COLUMN WORKSPACE
────────────────────────────────────────────────────────── */
.ig-workspace {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--sp-6);
  align-items: start;
}
@media (max-width: 900px) {
  .ig-workspace {
    grid-template-columns: 1fr;
  }
  .ig-sidebar {
    order: -1;
  }
}

/* ──────────────────────────────────────────────────────────
   FORM PANEL (left column)
────────────────────────────────────────────────────────── */
.ig-form-panel {
  min-width: 0;
}

.ig-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-4);
}
.ig-section__title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--sp-4);
}

/* Form grid */
.ig-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4) var(--sp-5);
}
@media (max-width: 640px) {
  .ig-grid { grid-template-columns: 1fr; }
}
.ig-grid--3 {
  grid-template-columns: 1fr 1fr 1fr;
}
@media (max-width: 640px) {
  .ig-grid--3 { grid-template-columns: 1fr; }
}
.ig-col-span-2 { grid-column: span 2; }
@media (max-width: 640px) { .ig-col-span-2 { grid-column: span 1; } }
.ig-col-span-3 { grid-column: span 3; }
@media (max-width: 640px) { .ig-col-span-3 { grid-column: span 1; } }

/* Field */
.ig-field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.ig-field__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* Input / select / textarea */
.ig-input,
.ig-select,
.ig-textarea {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius);
  color: var(--color-text-strong);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -webkit-appearance: none;
  appearance: none;
}
.ig-input:focus,
.ig-select:focus,
.ig-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}
.ig-input::placeholder,
.ig-textarea::placeholder { color: var(--color-text-subtle); }
.ig-textarea {
  resize: vertical;
  min-height: 80px;
}
.ig-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 2rem;
  cursor: pointer;
}

/* Logo upload */
.ig-logo-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.ig-logo-preview {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-solid);
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.ig-logo-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.ig-logo-placeholder {
  font-size: 1.5rem;
  opacity: 0.4;
}
.ig-logo-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.ig-logo-hint {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
}

/* ──────────────────────────────────────────────────────────
   LINE ITEMS TABLE
────────────────────────────────────────────────────────── */
.ig-line-items {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: var(--sp-3);
}
.ig-line-items th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0 var(--sp-2) var(--sp-2);
  border-bottom: 1px solid var(--color-border-solid);
}
.ig-line-items th.ig-th--right,
.ig-line-items td.ig-td--right {
  text-align: right;
}
.ig-line-items td {
  padding: var(--sp-2);
  vertical-align: middle;
}
.ig-line-items tr + tr td {
  border-top: 1px solid var(--color-border);
}
.ig-line-item__desc {
  min-width: 180px;
}
.ig-line-item__qty,
.ig-line-item__price {
  width: 90px;
}
.ig-line-item__total {
  width: 90px;
  color: var(--color-text-strong);
  font-weight: 600;
  white-space: nowrap;
}
.ig-line-item__del {
  width: 36px;
}

/* ──────────────────────────────────────────────────────────
   TOTALS
────────────────────────────────────────────────────────── */
.ig-totals {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: flex-end;
  margin-top: var(--sp-4);
}
.ig-totals__row {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
  min-width: 260px;
  justify-content: space-between;
}
.ig-totals__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.ig-totals__value {
  font-size: 0.875rem;
  color: var(--color-text-strong);
  font-weight: 500;
  min-width: 90px;
  text-align: right;
}
.ig-totals__divider {
  width: 100%;
  min-width: 260px;
  border: none;
  border-top: 1px solid var(--color-border-solid);
  margin: var(--sp-1) 0;
}
.ig-totals__row--grand .ig-totals__label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-heading);
}
.ig-totals__row--grand .ig-totals__value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ──────────────────────────────────────────────────────────
   FORM BOTTOM ROW
────────────────────────────────────────────────────────── */
.ig-form-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-top: var(--sp-2);
}

/* ──────────────────────────────────────────────────────────
   SIDEBAR
────────────────────────────────────────────────────────── */
.ig-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--sp-4));
}

.ig-sidebar__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ig-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  border-bottom: 1px solid var(--color-border);
}
.ig-sidebar__title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-heading);
}
.ig-sidebar__count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  padding: 2px 8px;
}

.ig-invoice-list {
  list-style: none;
  max-height: 520px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-solid) transparent;
}
.ig-invoice-list::-webkit-scrollbar { width: 4px; }
.ig-invoice-list::-webkit-scrollbar-thumb { background: var(--color-border-solid); border-radius: 2px; }

.ig-invoice-empty {
  padding: var(--sp-8) var(--sp-4);
  text-align: center;
  color: var(--color-text-subtle);
  font-size: 0.875rem;
}
.ig-invoice-empty__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--sp-2);
  opacity: 0.4;
}

.ig-invoice-item {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--dur-fast);
}
.ig-invoice-item:last-child { border-bottom: none; }
.ig-invoice-item:hover { background: var(--color-bg-elevated); }
.ig-invoice-item--active { background: var(--color-accent-dim); }
.ig-invoice-item--active:hover { background: var(--color-accent-dim); }

.ig-invoice-item__row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: 2px;
}
.ig-invoice-item__num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}
.ig-invoice-item__total {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-strong);
  white-space: nowrap;
}
.ig-invoice-item__row2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}
.ig-invoice-item__client {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
.ig-invoice-item__actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* Status badges */
.ig-status {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.ig-status--draft     { background: rgba(100,116,139,.15); color: #94A3B8; }
.ig-status--sent      { background: rgba(59,130,246,.15);  color: #60A5FA; }
.ig-status--paid      { background: rgba(34,197,94,.15);   color: #4ADE80; }
.ig-status--overdue   { background: rgba(239,68,68,.15);   color: #F87171; }

/* Sidebar footer actions */
.ig-sidebar__footer {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.ig-sidebar__footer .ig-btn {
  width: 100%;
  justify-content: center;
}

/* ──────────────────────────────────────────────────────────
   MODAL OVERLAY
────────────────────────────────────────────────────────── */
.ig-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  backdrop-filter: blur(3px);
}
.ig-modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.ig-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--color-border);
}
.ig-modal__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-heading);
}
.ig-modal__close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--sp-1);
  border-radius: var(--radius);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.ig-modal__close:hover {
  color: var(--color-text);
  background: var(--color-bg-elevated);
}
.ig-modal__body {
  padding: var(--sp-5);
}
.ig-modal__footer {
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--color-border);
}

/* ──────────────────────────────────────────────────────────
   TOAST NOTIFICATION
────────────────────────────────────────────────────────── */
.ig-toast {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: 2000;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-solid);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-5);
  box-shadow: var(--shadow-md);
  font-size: 0.875rem;
  color: var(--color-text-strong);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
}
.ig-toast--visible {
  opacity: 1;
  transform: translateY(0);
}
.ig-toast--success { border-left: 3px solid #4ADE80; }
.ig-toast--error   { border-left: 3px solid #F87171; }

/* ──────────────────────────────────────────────────────────
   PRINT / PDF INVOICE PREVIEW (hidden in DOM, printed)
────────────────────────────────────────────────────────── */
#ig-print-area {
  display: none;
}

@media print {
  body > *:not(#ig-print-area) { display: none !important; }
  #ig-print-area {
    display: block !important;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #fff;
    padding: 0;
  }
}

.ig-invoice-doc {
  font-family: 'Inter', Arial, sans-serif;
  font-size: 13px;
  color: #1e293b;
  background: #fff;
  padding: 40px 48px;
  min-height: 100vh;
  box-sizing: border-box;
}

.ig-doc__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  gap: 24px;
}
.ig-doc__logo {
  max-width: 140px;
  max-height: 80px;
  object-fit: contain;
}
.ig-doc__logo-placeholder {
  font-size: 28px;
  line-height: 1;
}
.ig-doc__biz-name {
  font-family: 'Plus Jakarta Sans', Arial, sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 4px;
}
.ig-doc__biz-details {
  font-size: 12px;
  color: #475569;
  line-height: 1.6;
  white-space: pre-line;
}
.ig-doc__invoice-meta {
  text-align: right;
  flex-shrink: 0;
}
.ig-doc__invoice-label {
  font-family: 'Plus Jakarta Sans', Arial, sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #0F172A;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.ig-doc__meta-table {
  font-size: 12px;
  color: #475569;
  border-collapse: collapse;
  margin-left: auto;
}
.ig-doc__meta-table td {
  padding: 2px 0 2px 12px;
}
.ig-doc__meta-table td:first-child {
  font-weight: 600;
  color: #64748B;
  padding-left: 0;
}

.ig-doc__parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: #F8FAFC;
  border-radius: 8px;
}
.ig-doc__party-label {
  font-size: 10px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.ig-doc__party-name {
  font-weight: 700;
  font-size: 14px;
  color: #0F172A;
  margin-bottom: 4px;
}
.ig-doc__party-details {
  font-size: 12px;
  color: #475569;
  line-height: 1.6;
  white-space: pre-line;
}

.ig-doc__items {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.ig-doc__items th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 6px 8px 10px;
  border-bottom: 2px solid #E2E8F0;
}
.ig-doc__items th:last-child,
.ig-doc__items td:last-child {
  text-align: right;
}
.ig-doc__items td {
  padding: 10px 8px;
  color: #374151;
  border-bottom: 1px solid #F1F5F9;
  vertical-align: top;
}
.ig-doc__items tr:last-child td { border-bottom: none; }
.ig-doc__item-desc { font-weight: 500; }
.ig-doc__item-desc-note { font-size: 11px; color: #94A3B8; margin-top: 2px; }

.ig-doc__totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  margin-bottom: 32px;
}
.ig-doc__totals-row {
  display: flex;
  gap: 24px;
  min-width: 240px;
  justify-content: space-between;
}
.ig-doc__totals-row--grand {
  padding: 10px 0 0;
  border-top: 2px solid #0F172A;
  margin-top: 4px;
}
.ig-doc__totals-label {
  font-size: 12px;
  color: #64748B;
}
.ig-doc__totals-value {
  font-size: 12px;
  font-weight: 500;
  color: #0F172A;
  text-align: right;
}
.ig-doc__totals-row--grand .ig-doc__totals-label,
.ig-doc__totals-row--grand .ig-doc__totals-value {
  font-size: 16px;
  font-weight: 800;
  color: #0F172A;
}

.ig-doc__message {
  background: #F8FAFC;
  border-left: 3px solid #CBD5E1;
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 32px;
  white-space: pre-line;
}
.ig-doc__message-label {
  font-size: 10px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 4px;
}

.ig-doc__footer {
  text-align: center;
  font-size: 11px;
  color: #94A3B8;
  padding-top: 16px;
  border-top: 1px solid #E2E8F0;
}