/* responsive.css — Mobile, Tablet & Desktop Responsive Layout System */

/* Panel Layout */
.sv-panel {
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sv-panel-inner {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sv-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--sv-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--sv-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Tablet (768px – 1024px) */
@media (max-width: 1024px) and (min-width: 768px) {
  .sv-workspace {
    grid-template-columns: 1fr 320px;
  }
  .sv-pdf-panel {
    min-height: 500px;
  }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
  .sv-shell {
    padding: 4px;
  }

  .sv-top-bar {
    font-size: 11px;
    padding: 6px 12px;
  }

  .sv-header {
    padding: 10px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .sv-mode-tabs {
    width: 100%;
    justify-content: space-between;
  }

  .sv-tab-btn {
    flex: 1;
    justify-content: center;
    padding: 0 8px;
    font-size: 11px;
  }

  .sv-workspace {
    grid-template-columns: 1fr;
  }

  .sv-pdf-panel {
    border-right: none;
    border-bottom: 1px solid var(--sv-border);
    height: 440px;
  }

  .sv-panel-inner {
    padding: 14px;
  }

  /* Minimum Touch Targets (44px+) */
  .sv-btn {
    min-height: 44px;
  }
  .sv-input {
    min-height: 44px;
  }
  .sv-tab-btn {
    min-height: 38px;
  }
}