/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand__logo {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.brand__mark {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.85rem;
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-5);
}

.nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--color-text);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle[aria-expanded="true"] + .nav,
.nav.is-open {
  display: flex;
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    display: flex;
  }
}

@media (max-width: 859px) {
  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-3);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
  }

  .nav:not(.is-open) {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-accent);
  color: #06201c;
}

.btn--primary:hover {
  background: #4ade80;
  color: #06201c;
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--danger {
  background: transparent;
  border-color: var(--color-error);
  color: var(--color-error);
}

/* Badges / meta */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.badge--accent {
  border-color: rgba(34, 197, 94, 0.35);
  background: var(--color-accent-muted);
  color: var(--color-accent);
}

.badge--success {
  border-color: rgba(89, 217, 135, 0.35);
  color: var(--color-success);
}

.badge--warning {
  border-color: rgba(255, 179, 92, 0.35);
  color: var(--color-warning);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-4);
}

/* Progress */
.progress-bar {
  width: 100%;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-surface-elevated);
  overflow: hidden;
}

.progress-bar__fill {
  display: block;
  height: 100%;
  width: 0%;
  transform-origin: left center;
  background: linear-gradient(90deg, #16a34a, var(--color-accent));
  border-radius: inherit;
  transition: width var(--dur) var(--ease);
  animation: progress-fill var(--dur) var(--ease);
}

.local-progress-notice {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(25, 35, 50, 0.5);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
}

.local-progress-notice strong {
  color: var(--color-text);
}

/* Cards / lists */
.module-card,
.content-item,
.step-card,
.editorial-note {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: var(--space-5);
}

.module-card {
  display: grid;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  animation: fade-up 420ms var(--ease) both;
}

.module-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  background: var(--color-surface-elevated);
  transform: translateY(-2px);
}

.module-card__top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.module-card__order {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
}

.module-card h3 {
  margin: 0;
  color: var(--color-text);
}

.module-card p {
  margin: 0;
}

.module-stepper {
  display: grid;
  gap: var(--space-3);
}

.content-item {
  display: grid;
  gap: var(--space-3);
  transition: border-color var(--dur) var(--ease);
}

.content-item:hover {
  border-color: rgba(34, 197, 94, 0.35);
}

.content-item.is-done {
  border-color: rgba(89, 217, 135, 0.35);
}

.content-item__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.content-item__title {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
}

.checklist {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.checklist input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.step-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 760px) {
  .step-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card__n {
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.responsible-practice {
  border-left: 3px solid var(--color-warning);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 179, 92, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.responsible-practice h3 {
  color: var(--color-warning);
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.editorial-note {
  border-color: rgba(34, 197, 94, 0.25);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-7) 0 var(--space-6);
  margin-top: var(--space-8);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.site-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
}

.site-footer__links {
  display: grid;
  gap: var(--space-2);
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.site-footer__brand .brand__logo {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
}

.empty-state {
  padding: var(--space-7);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.ops-swal {
  padding: 0;
  border: none;
  background: transparent;
  max-width: min(24rem, calc(100vw - 1.5rem));
  width: 100%;
  margin: auto;
  color: var(--color-text, #f5f5f5);
  color-scheme: dark;
}

.ops-swal[open] {
  display: grid;
  place-items: center;
}

.ops-swal::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
}

.ops-swal__panel {
  display: grid;
  gap: 0.85rem;
  justify-items: center;
  text-align: center;
  padding: 1.75rem 1.5rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  background:
    radial-gradient(ellipse at top, rgba(34, 197, 94, 0.14), transparent 55%),
    #141414;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.ops-swal__icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  font-weight: 700;
  color: #06201c;
  background: var(--color-accent, #22c55e);
}

.ops-swal__icon--info {
  background: #3b82f6;
  color: #fff;
}

.ops-swal__icon--danger {
  background: #dc2626;
  color: #fff;
}

.ops-swal__panel h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.ops-swal__panel p {
  margin: 0;
  color: var(--color-text-secondary, #a3a3a3);
  font-size: 0.92rem;
  line-height: 1.45;
  max-width: 20rem;
}

.ops-swal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 0.35rem;
  width: 100%;
}

.ops-swal .ops-kicker {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #86efac;
}

.ops-swal--choice {
  max-width: min(26rem, calc(100vw - 1.5rem));
}

.ops-swal--choice .ops-swal__panel {
  justify-items: stretch;
  text-align: left;
}

.ops-swal--choice .ops-swal__panel h2,
.ops-swal--choice .ops-swal__panel .ops-kicker {
  text-align: left;
}

.ops-swal--choice .ops-swal__panel p {
  max-width: none;
}

.ops-swal--choice .ops-swal__actions {
  flex-direction: column;
  align-items: stretch;
  margin-top: 0.55rem;
}

.ops-swal--choice .ops-swal__actions .btn {
  justify-content: center;
  min-height: 2.55rem;
}