/* OWASP SCS Interactive Checklist – Overhaul design alignment */

/* Variables – overhaul palette (primary hsl 243 75% 59%) */
:root {
  --scs-surface: #f8fafc;
  --scs-surface-elevated: #ffffff;
  --scs-border: #e2e8f0;
  --scs-text: #1e293b;
  --scs-text-muted: #64748b;
  --scs-primary: hsl(243 75% 59%);
  --scs-primary-light: hsl(243 75% 59% / 0.1);
  --scs-success: hsl(160 84% 39%);
  --scs-warning: hsl(38 92% 50%);
  --scs-error: hsl(0 72% 51%);
  --scs-cyan: #06b6d4;
  --scs-blue: #3b82f6;
  --scs-purple: #8b5cf6;
  --scs-orange: #f97316;
  --scs-green: #22c55e;
  --scs-gradient-primary: linear-gradient(135deg, hsl(243 75% 59%) 0%, hsl(280 70% 55%) 50%, hsl(243 60% 50%) 100%);
  --scs-radius: 0.75rem;
  --scs-radius-lg: 1rem;
}

[data-md-color-scheme="slate"],
[data-md-color-scheme="dark"] {
  --scs-surface: var(--md-default-bg-color, #1e1e1e);
  --scs-surface-elevated: var(--md-default-bg-color--light, #252525);
  --scs-border: rgba(255, 255, 255, 0.12);
  --scs-text: var(--md-default-fg-color, #e0e0e0);
  --scs-text-muted: var(--md-default-fg-color--light, #9e9e9e);
  --scs-primary: hsl(243 75% 68%);
  --scs-primary-light: hsl(243 75% 68% / 0.15);
}

/* Glass card utility */
.scs-glass-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--scs-radius-lg);
  border: 1px solid var(--scs-border);
  background: var(--scs-surface-elevated);
}

/* Hero – overhaul header card style */
.scs-checklist-hero {
  margin-bottom: 2rem;
}

.scs-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--scs-primary-light) 0%, transparent 50%);
  pointer-events: none;
}

.scs-hero-inner {
  position: relative;
  padding: 1.5rem 1.75rem;
}

.scs-hero-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.scs-hero-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--scs-radius);
  background: var(--scs-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.scs-hero-icon svg {
  width: 24px;
  height: 24px;
  color: var(--scs-primary);
}

.scs-hero-text {
  flex: 1;
  min-width: 0;
}

.scs-checklist-hero h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
  font-weight: 600;
}

.scs-checklist-subtitle {
  color: var(--scs-text-muted);
  margin: 0;
  font-size: 0.9rem;
}

.scs-hero-progress-ring {
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.scs-hero-progress-ring svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.scs-hero-progress-ring .scs-ring-fill {
  transition: stroke-dasharray 0.4s ease;
}

.scs-hero-progress-ring .scs-ring-text {
  font-size: 0.85rem;
  font-weight: 700;
}

.scs-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.scs-hero-actions .scs-hero-link {
  font-size: 0.85rem;
}

.scs-hero-progress-wrap {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--scs-border);
}

.scs-hero-progress-bar {
  height: 8px;
  background: var(--scs-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.35rem;
}

.scs-hero-progress-fill {
  display: block;
  height: 100%;
  background: var(--scs-gradient-primary);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.scs-hero-stats {
  font-size: 0.85rem;
  color: var(--scs-text-muted);
}

.scs-hero-link {
  color: var(--scs-primary);
  text-decoration: none;
}

.scs-hero-link:hover {
  text-decoration: underline;
}

/* Loading & Error */
.scs-checklist-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  color: var(--scs-text-muted);
}

.scs-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--scs-border);
  border-top-color: var(--scs-primary);
  border-radius: 50%;
  animation: scs-spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

@keyframes scs-spin {
  to { transform: rotate(360deg); }
}

.scs-checklist-error {
  color: var(--scs-error);
  padding: 2rem;
}

/* Ring elements (used in hero progress) */
.scs-ring-bg {
  fill: none;
  stroke: var(--scs-border);
  stroke-width: 2.5;
}

.scs-ring-fill {
  fill: none;
  stroke: url(#scs-ring-gradient, var(--scs-primary));
  stroke-width: 2.5;
  stroke-linecap: round;
}

.scs-ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--scs-text);
}

/* Buttons */
.scs-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--scs-radius);
  border: 1px solid var(--scs-border);
  background: var(--scs-surface-elevated);
  color: var(--scs-text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.scs-btn:hover {
  background: var(--scs-border);
}

.scs-btn:active {
  transform: scale(0.98);
}

.scs-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.scs-btn-export,
.scs-btn-import {
  background: var(--scs-primary);
  border-color: var(--scs-primary);
  color: #fff;
}

.scs-btn-export:hover,
.scs-btn-import:hover {
  filter: brightness(1.1);
}

.scs-btn-reset {
  color: var(--scs-error);
  border-color: var(--scs-error);
}

.scs-btn-reset:hover {
  background: hsl(0 72% 51% / 0.1);
}

/* Category nav – compact colorful cards */
.scs-category-nav {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.scs-cat-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.4rem 0.55rem;
  font-size: 0.72rem;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--scs-surface);
  color: var(--scs-text);
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.scs-cat-btn:hover {
  transform: translateY(-1px);
}

.scs-cat-btn.scs-cat-all {
  background: hsl(243 75% 59% / 0.12);
  border-color: hsl(243 75% 59% / 0.3);
}

.scs-cat-btn.scs-cat-all.active {
  background: hsl(243 75% 59% / 0.2);
  border-color: var(--scs-primary);
}

.scs-cat-btn.scs-cat-arch { border-left: 3px solid #06b6d4; }
.scs-cat-btn.scs-cat-code { border-left: 3px solid #3b82f6; }
.scs-cat-btn.scs-cat-gov { border-left: 3px solid #8b5cf6; }
.scs-cat-btn.scs-cat-auth { border-left: 3px solid #ec4899; }
.scs-cat-btn.scs-cat-comm { border-left: 3px solid #14b8a6; }
.scs-cat-btn.scs-cat-crypto { border-left: 3px solid #f59e0b; }
.scs-cat-btn.scs-cat-oracle { border-left: 3px solid #22c55e; }
.scs-cat-btn.scs-cat-block { border-left: 3px solid #6366f1; }
.scs-cat-btn.scs-cat-bridge { border-left: 3px solid #0ea5e9; }
.scs-cat-btn.scs-cat-defi { border-left: 3px solid #eab308; }
.scs-cat-btn.scs-cat-comp { border-left: 3px solid #a855f7; }
.scs-cat-btn.scs-cat-default { border-left: 3px solid var(--scs-border); }

.scs-cat-btn.scs-cat-arch:hover { background: hsl(189 94% 43% / 0.1); }
.scs-cat-btn.scs-cat-code:hover { background: hsl(217 91% 60% / 0.1); }
.scs-cat-btn.scs-cat-gov:hover { background: hsl(263 70% 50% / 0.1); }
.scs-cat-btn.scs-cat-auth:hover { background: hsl(330 81% 60% / 0.1); }
.scs-cat-btn.scs-cat-comm:hover { background: hsl(174 72% 40% / 0.1); }
.scs-cat-btn.scs-cat-crypto:hover { background: hsl(38 92% 50% / 0.1); }
.scs-cat-btn.scs-cat-oracle:hover { background: hsl(160 84% 39% / 0.1); }
.scs-cat-btn.scs-cat-block:hover { background: hsl(239 84% 67% / 0.1); }
.scs-cat-btn.scs-cat-bridge:hover { background: hsl(199 89% 48% / 0.1); }
.scs-cat-btn.scs-cat-defi:hover { background: hsl(48 96% 53% / 0.1); }
.scs-cat-btn.scs-cat-comp:hover { background: hsl(270 91% 65% / 0.1); }

.scs-cat-btn.active {
  border-color: var(--scs-primary);
  background: var(--scs-primary-light);
  box-shadow: 0 2px 8px -2px var(--scs-primary-light);
}

.scs-cat-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.2;
}

.scs-cat-progress-bar {
  width: 100%;
  height: 3px;
  background: var(--scs-border);
  border-radius: 2px;
  overflow: hidden;
  margin: 0.2rem 0;
}

.scs-cat-progress-fill {
  display: block;
  height: 100%;
  background: var(--scs-gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.scs-cat-count {
  font-size: 0.68rem;
  color: var(--scs-text-muted);
}

/* Dynamic view title – inherits category color */
.scs-view-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.scs-view-title--all { color: var(--scs-primary); }
.scs-view-title--arch { color: #06b6d4; }
.scs-view-title--code { color: #3b82f6; }
.scs-view-title--gov { color: #8b5cf6; }
.scs-view-title--auth { color: #ec4899; }
.scs-view-title--comm { color: #14b8a6; }
.scs-view-title--crypto { color: #f59e0b; }
.scs-view-title--oracle { color: #22c55e; }
.scs-view-title--block { color: #6366f1; }
.scs-view-title--bridge { color: #0ea5e9; }
.scs-view-title--defi { color: #eab308; }
.scs-view-title--comp { color: #a855f7; }
.scs-view-title--default { color: var(--scs-text); }

/* Filters – glass style */
.scs-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  background: var(--scs-surface);
  border-radius: var(--scs-radius);
  border: 1px solid var(--scs-border);
}

.scs-filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.scs-filter-group label:first-child {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--scs-text);
}

.scs-radio,
.scs-check {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--scs-text-muted);
}

.scs-radio input,
.scs-check input {
  cursor: pointer;
}

/* Sort select */
.scs-sort-select {
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  border-radius: var(--scs-radius);
  border: 1px solid var(--scs-border);
  background: var(--scs-surface-elevated);
  color: var(--scs-text);
  cursor: pointer;
}

/* Checklist items – compact reference design */
.scs-checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.scs-item-card {
  border-radius: 10px;
  border: 1px solid var(--scs-border);
  background: var(--scs-surface-elevated);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  animation: scs-card-in 0.25s ease backwards;
}

.scs-item-card:nth-child(1) { animation-delay: 0.02s; }
.scs-item-card:nth-child(2) { animation-delay: 0.04s; }
.scs-item-card:nth-child(3) { animation-delay: 0.06s; }
.scs-item-card:nth-child(4) { animation-delay: 0.08s; }
.scs-item-card:nth-child(5) { animation-delay: 0.1s; }
.scs-item-card:nth-child(n+6) { animation-delay: 0.12s; }

@keyframes scs-card-in {
  from { opacity: 0; transform: translateY(-2px); }
  to { opacity: 1; transform: translateY(0); }
}

[data-md-color-scheme="slate"] .scs-item-card,
[data-md-color-scheme="dark"] .scs-item-card {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
}

.scs-item-card:hover {
  border-color: hsl(243 75% 59% / 0.4);
  box-shadow: 0 1px 6px -2px hsl(243 75% 59% / 0.2);
}

.scs-item-done {
  background: hsl(160 84% 39% / 0.06) !important;
  border-color: hsl(160 84% 39% / 0.2) !important;
}

.scs-item-skipped {
  background: hsl(0 0% 50% / 0.04) !important;
  opacity: 0.85;
}

.scs-item-main {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.scs-item-checkbox-wrap {
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.scs-item-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--scs-border);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.scs-item-card:not(.scs-item-skipped):hover .scs-item-checkbox:not(.scs-checkbox-done) {
  border-color: hsl(243 75% 59% / 0.5);
}

.scs-checkbox-done {
  border-color: var(--scs-success);
  background: var(--scs-success) !important;
  color: #fff;
}

.scs-checkbox-skipped {
  border-color: var(--scs-text-muted);
  background: var(--scs-text-muted) !important;
  color: var(--scs-surface);
}

.scs-check-icon,
.scs-circle-icon {
  width: 12px;
  height: 12px;
}

.scs-circle-icon {
  opacity: 0;
  transition: opacity 0.2s ease;
}

.scs-item-card:hover .scs-circle-icon {
  opacity: 0.5;
}

.scs-skip-dot {
  font-size: 0.75rem;
  line-height: 1;
  font-weight: 700;
  color: inherit;
}

.scs-item-content {
  flex: 1;
  min-width: 0;
}

.scs-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.scs-item-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--scs-text);
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}

.scs-item-done .scs-item-title,
.scs-item-skipped .scs-item-title {
  text-decoration: line-through;
  color: var(--scs-text-muted);
}

.scs-item-tags {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.scs-tag-rid {
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.7rem;
  padding: 0.12rem 0.4rem;
  background: var(--scs-surface);
  border: 1px solid var(--scs-border);
  border-radius: 4px;
  color: var(--scs-text-muted);
}

.scs-checklist-questions {
  margin: 0.3rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.8rem;
  color: var(--scs-text-muted);
  line-height: 1.45;
}

.scs-checklist-questions li {
  margin-bottom: 0.2rem;
}

.scs-item-done .scs-checklist-questions,
.scs-item-skipped .scs-checklist-questions {
  opacity: 0.85;
}

.scs-item-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.scs-item-link {
  font-size: 0.75rem;
  font-family: var(--md-code-font-family, monospace);
  color: var(--scs-primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.scs-item-link:hover {
  text-decoration: underline;
}

.scs-item-link + .scs-item-link {
  margin-left: 0.5rem;
}

.scs-skip-label {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.68rem;
  color: var(--scs-text-muted);
  cursor: pointer;
}

.scs-skip-label input {
  cursor: pointer;
}

/* Severity badges – match reference (Critical=red, High=orange) */
.scs-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 6px;
  flex-shrink: 0;
}

.scs-severity-critical {
  background: hsl(0 72% 51%);
  color: #fff;
}

.scs-severity-high {
  background: hsl(25 95% 53%);
  color: #fff;
}

.scs-severity-medium {
  background: hsl(38 92% 50%);
  color: #1a1a24;
}

.scs-severity-low {
  background: hsl(189 94% 43%);
  color: #fff;
}

.scs-severity-best-practice {
  background: hsl(160 84% 39%);
  color: #fff;
}

/* How-to grid – overhaul card style */
.scs-howto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.scs-howto-card {
  padding: 1.5rem;
  border-radius: var(--scs-radius-lg);
  border: 1px solid var(--scs-border);
  background: var(--scs-surface);
  transition: border-color 0.2s, transform 0.2s;
}

.scs-howto-card:hover {
  border-color: var(--scs-primary);
  transform: translateY(-2px);
}

.scs-howto-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
  border-radius: var(--scs-radius);
  background: var(--scs-primary-light);
}

.scs-howto-icon svg {
  width: 24px;
  height: 24px;
  color: var(--scs-primary);
}

.scs-howto-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.scs-howto-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--scs-text-muted);
  line-height: 1.5;
}

/* Promo block */
.scs-interactive-promo {
  margin: 2rem 0;
}

.scs-interactive-promo .admonition {
  border-left: 4px solid var(--scs-primary);
  background: linear-gradient(135deg, var(--scs-primary-light) 0%, transparent 100%);
}

.scs-interactive-promo .md-button {
  margin-top: 0.5rem;
}

/* Noscript */
.scs-checklist-noscript {
  padding: 1.5rem;
  margin: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .scs-hero-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .scs-checklist-dashboard {
    flex-direction: column;
  }

  .scs-category-nav {
    grid-template-columns: 1fr;
  }

  .scs-filters {
    flex-direction: column;
    align-items: flex-start;
  }

  .scs-item-main {
    padding: 0.4rem 0.6rem;
  }

  .scs-item-title {
    font-size: 0.84rem;
  }
}