@import '../main.css';

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.inv-hero {
  padding-block: var(--space-14) var(--space-8);
  border-bottom: var(--border);
  background: linear-gradient(to bottom, var(--color-bg), var(--color-surface));
}

.inv-hero-inner {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.inv-hero-heading {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.5px;
  color: var(--color-text);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .inv-hero-heading { font-size: var(--text-3xl); }
}

.inv-hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-dim);
  max-width: 480px;
  margin-inline: auto;
}

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.inv-form-section {
  padding-block: var(--space-10);
}

.inv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .inv-layout {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
}

/* ── Form column ─────────────────────────────────────────────────────────────── */
.inv-form-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ── Card ────────────────────────────────────────────────────────────────────── */
.inv-card {
  background: #ffffff;
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.inv-card-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Form grid ───────────────────────────────────────────────────────────────── */
.inv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.inv-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .inv-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.inv-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.inv-field-full {
  grid-column: 1 / -1;
}

.inv-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-dim);
}

.inv-required {
  color: #ef4444;
}

.inv-input {
  font-size: 14px;
  font-family: inherit;
  padding: 8px 10px;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.inv-input:focus {
  border-color: var(--color-primary);
}

.inv-select {
  cursor: pointer;
}

.inv-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* ── Line items ──────────────────────────────────────────────────────────────── */
.inv-add-item-btn {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  background: none;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.inv-add-item-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
}

.inv-items-head {
  display: grid;
  grid-template-columns: 1fr 60px 90px 80px 28px;
  gap: 8px;
  padding: 6px 0;
  border-bottom: var(--border);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.inv-items-head span:nth-child(2),
.inv-items-head span:nth-child(3),
.inv-items-head span:nth-child(4) {
  text-align: right;
}

.inv-item-row {
  display: grid;
  grid-template-columns: 1fr 60px 90px 80px 28px;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-surface);
  align-items: center;
}

.inv-item-row input {
  font-size: 13px;
  font-family: inherit;
  padding: 6px 8px;
  border: var(--border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  outline: none;
  box-sizing: border-box;
}

.inv-item-row input:focus {
  border-color: var(--color-primary);
}

.inv-item-total {
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--color-text);
  text-align: right;
  white-space: nowrap;
}

.inv-item-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-dim);
  padding: 2px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

.inv-item-remove:hover { color: #ef4444; }
.inv-item-remove:disabled { opacity: 0.3; cursor: default; }

/* ── Totals ──────────────────────────────────────────────────────────────────── */
.inv-totals {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  padding-top: var(--space-3);
}

.inv-totals-row {
  display: flex;
  gap: 40px;
  font-size: 13px;
  color: var(--color-text-dim);
  min-width: 240px;
  justify-content: space-between;
}

.inv-totals-total {
  font-size: 15px;
  font-weight: var(--weight-bold);
  color: var(--color-text);
  padding-top: 8px;
  border-top: var(--border);
  margin-top: 2px;
}

/* ── Error ───────────────────────────────────────────────────────────────────── */
.inv-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
}

/* ── Actions ─────────────────────────────────────────────────────────────────── */
.inv-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.inv-signup-nudge {
  font-size: 13px;
  color: var(--color-text-dim);
  text-align: center;
}

.inv-signup-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--weight-medium);
}

.inv-signup-link:hover { text-decoration: underline; }

/* ── Preview column ──────────────────────────────────────────────────────────── */
.inv-preview-col {
  display: none;
}

@media (min-width: 1024px) {
  .inv-preview-col { display: block; }
}

.inv-preview-sticky {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.inv-preview-card {
  background: #ffffff;
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.inv-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.inv-preview-company {
  font-size: 14px;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.inv-preview-number {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--color-text-dim);
  margin-top: 2px;
}

.inv-preview-total-block {
  text-align: right;
}

.inv-preview-total-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.inv-preview-total {
  font-size: 18px;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  font-family: 'JetBrains Mono', monospace;
}

.inv-preview-divider {
  height: 1px;
  background: var(--color-surface);
}

.inv-preview-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-dim);
}

.inv-preview-row span:last-child {
  color: var(--color-text);
  font-weight: var(--weight-medium);
  text-align: right;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inv-preview-note {
  font-size: 12px;
  color: var(--color-text-dim);
  line-height: 1.5;
  margin: 0;
}

.inv-preview-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.inv-preview-feat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--color-text-dim);
}

.inv-preview-feat svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ── Features grid ───────────────────────────────────────────────────────────── */
.inv-features-section {
  border-top: var(--border);
}

.inv-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .inv-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .inv-features-grid { grid-template-columns: repeat(3, 1fr); }
}

.inv-feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.inv-feature-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.inv-feature-desc {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: 1.6;
}

/* ── Success modal ───────────────────────────────────────────────────────────── */
.inv-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.inv-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.inv-modal-box {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: var(--border);
  padding: var(--space-8) var(--space-6);
  max-width: 400px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.inv-modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #dcfce7;
  display: flex;
  align-items: center;
  justify-content: center;
}

.inv-modal-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.inv-modal-desc {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: 1.6;
  margin: 0;
}

.inv-modal-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Parties row (desktop side by side) ─────────────────────────────────────── */
.inv-parties-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .inv-parties-row {
    flex-direction: row;
    align-items: flex-start;
  }
  .inv-parties-row .inv-card {
    flex: 1;
  }
}

/* ── Invoice details 5-col grid ─────────────────────────────────────────────── */
.inv-grid-5 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .inv-grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .inv-grid-5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ── Phone/email field sizing ────────────────────────────────────────────────── */
.inv-field-phone {
  grid-column: span 1;
}

.inv-field-email {
  grid-column: span 1;
  min-width: 0;
}

@media (min-width: 480px) {
  .inv-grid {
    grid-template-columns: 160px 1fr;
  }
}

@media (min-width: 480px) {
  .inv-field-phone {
    grid-column: span 1;
  }
  .inv-field-email {
    grid-column: span 1;
  }
}


/* ── Preview modal ───────────────────────────────────────────────────────────── */
.inv-preview-modal-box {
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

@media (max-width: 768px) {
  .inv-preview-modal-box {
    max-width: 100%;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }

  .inv-modal {
    padding: 0;
  }
}

.inv-preview-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: var(--border);
  flex-shrink: 0;
}

.inv-preview-modal-header .inv-modal-title {
  font-size: 16px;
  margin: 0;
}

.inv-preview-modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--color-text-dim);
  line-height: 1;
  padding: 0 4px;
}

.inv-preview-modal-body {
  overflow-y: auto;
  padding: 24px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.inv-pv-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.inv-pv-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

.inv-pv-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.inv-pv-line {
  font-size: 13px;
  color: var(--color-text-dim);
}

.inv-pv-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.inv-pv-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.inv-pv-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.inv-pv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.inv-pv-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-dim);
  padding: 8px 10px;
  border-bottom: var(--border);
}

.inv-pv-table th:not(:first-child),
.inv-pv-table td:not(:first-child) {
  text-align: right;
}

.inv-pv-table td {
  padding: 8px 10px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-surface);
}

.inv-pv-totals {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
}

.inv-pv-totals-row {
  display: flex;
  gap: 32px;
  font-size: 13px;
  color: var(--color-text-dim);
  min-width: 220px;
  justify-content: space-between;
}

.inv-pv-totals-total {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  padding-top: 6px;
  border-top: var(--border);
  margin-top: 2px;
}

.inv-pv-notes {
  font-size: 12px;
  color: var(--color-text-dim);
  line-height: 1.6;
  padding: 10px 12px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

@media (max-width: 480px) {
  .inv-pv-parties { grid-template-columns: 1fr; }
  .inv-pv-meta { grid-template-columns: repeat(2, 1fr); }
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq-section {
  background-color: var(--color-bg);
}
.faq-list {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq-item {
  border-bottom: var(--border);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-question {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transition: background-color var(--transition-fast);
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question::after {
  content: '+';
  font-size: var(--text-xl);
  color: var(--color-muted);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}
.faq-item[open] .faq-question {
  background-color: var(--color-surface);
  color: var(--color-primary);
}
.faq-answer {
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--color-text-dim);
  padding: 0 var(--space-6) var(--space-5);
  margin: 0;
}