/* ============================================================
   CESIVI Modern UI — .modal-card pattern (PLAN-1350 Phase 3)
   Generic modal dialog primitive built on the canvas tokens.
   Contributed back to Lane A's design canvas. Loaded as a versioned
   <link> via _ModernCssLinks.cshtml (component tier).
   ============================================================ */

body[data-modern-ui="true"] .modal-overlay {
  position: fixed;
  inset: 0;
  background: oklch(0.18 0.02 240 / 0.42);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 1040;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: modal-overlay-in 0.12s ease-out;
}

@keyframes modal-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

body[data-modern-ui="true"] .modal-card {
  background: var(--bg-panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 38px oklch(0.16 0.02 240 / 0.28);
  width: 100%;
  max-width: 600px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-card-in 0.16s ease-out;
}

body[data-modern-ui="true"] .modal-card.wide { max-width: 820px; }
body[data-modern-ui="true"] .modal-card.narrow { max-width: 460px; }

@keyframes modal-card-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

body[data-modern-ui="true"] .modal-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-sunken);
  flex-shrink: 0;
}

body[data-modern-ui="true"] .modal-card-head .title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}

body[data-modern-ui="true"] .modal-card-head .modal-close-btn {
  background: transparent;
  border: none;
  padding: 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body[data-modern-ui="true"] .modal-card-head .modal-close-btn:hover {
  background: var(--bg);
  color: var(--fg);
}

body[data-modern-ui="true"] .modal-card-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1 1 auto;
}

body[data-modern-ui="true"] .modal-card-body .modal-body-text {
  margin: 0 0 12px;
  color: var(--fg);
  line-height: 1.5;
}

body[data-modern-ui="true"] .modal-card-body .modal-body-detail {
  margin: 0 0 12px;
  color: var(--fg-muted);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

body[data-modern-ui="true"] .modal-card-body code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  background: var(--bg-sunken);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--fg);
}

body[data-modern-ui="true"] .modal-card-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-sunken);
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* Density-aware spacing per body[data-density] convention. */
body[data-density="compact"] .modal-card-head,
body[data-density="compact"] .modal-card-body,
body[data-density="compact"] .modal-card-footer {
  padding-top: 8px;
  padding-bottom: 8px;
}

body[data-density="spacious"] .modal-card-head,
body[data-density="spacious"] .modal-card-body,
body[data-density="spacious"] .modal-card-footer {
  padding-top: 18px;
  padding-bottom: 18px;
}

/* Manifest preview pane in upload/upgrade modals. */
body[data-modern-ui="true"] .modal-card-body .manifest-preview {
  background: var(--bg-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 240px;
  overflow: auto;
  margin: 8px 0;
}

body[data-modern-ui="true"] .modal-card-body .manifest-preview-row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  margin: 4px 0;
}
body[data-modern-ui="true"] .modal-card-body .manifest-preview-row > .label {
  color: var(--fg-subtle);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-width: 80px;
}

/* "I understand" gate (uninstall confirmation). */
body[data-modern-ui="true"] .modal-confirm-gate {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin: 12px 0;
  cursor: pointer;
}

body[data-modern-ui="true"] .modal-confirm-gate input[type="checkbox"] {
  cursor: pointer;
  flex-shrink: 0;
}

/* Dropzone for file picker (Upload + Upgrade modals). */
body[data-modern-ui="true"] .modal-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  background: var(--bg-sunken);
  margin: 8px 0 12px;
  transition: border-color 0.12s, background 0.12s;
}

body[data-modern-ui="true"] .modal-dropzone.has-file {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

body[data-modern-ui="true"] .modal-dropzone .file-name {
  font-weight: 600;
  color: var(--fg);
  display: block;
  margin-top: 6px;
  word-break: break-all;
}

body[data-modern-ui="true"] .modal-dropzone input[type="file"] {
  display: block;
  margin: 8px auto 0;
}

/* Disabled-state for "I understand" / file-required gate. */
body[data-modern-ui="true"] .modal-card-footer button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Solutions-specific empty-state under .panel-body.flush. */
body[data-modern-ui="true"] .solutions-empty-state {
  padding: 32px 24px;
  text-align: center;
  color: var(--fg-muted);
}

body[data-modern-ui="true"] .solutions-empty-state .solutions-empty-icon {
  display: inline-block;
  width: 40px;
  height: 40px;
  color: var(--fg-subtle);
  margin-bottom: 8px;
}

body[data-modern-ui="true"] .solutions-empty-state .solutions-empty-title {
  margin: 4px 0;
  color: var(--fg);
  font-weight: 600;
}

body[data-modern-ui="true"] .solutions-empty-state .solutions-empty-sub {
  margin: 4px 0;
  color: var(--fg-muted);
  font-size: var(--font-size-sm);
}

body[data-modern-ui="true"] .solutions-pkg-link {
  text-decoration: none;
  color: var(--accent-fg);
}
body[data-modern-ui="true"] .solutions-pkg-link:hover { text-decoration: underline; }

body[data-modern-ui="true"] .solutions-pkg-id {
  margin-top: 2px;
  color: var(--fg-subtle);
  font-size: 11.5px;
}

body[data-modern-ui="true"] .solutions-pkg-by {
  font-size: 11.5px;
  color: var(--fg-subtle);
}