/* layout.css — общий каркас: header, навигация, сетка, footer */

.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.header-logo {
  height: 84px;
  width: auto;
  display: block;
}

[data-theme="light"] .header-logo {
  filter: invert(1) hue-rotate(180deg) brightness(1.2);
}

.logo:hover .header-logo {
  filter:
    invert(1) hue-rotate(180deg) brightness(1.2)
    drop-shadow(0 0 8px rgba(250, 204, 21, 0.9));
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.main-wrapper {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) 40px var(--space-xl);
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: flex-start;
  flex: 1 0 auto;
}

.stats-wrapper,
.exam-wrapper,
.profile-wrapper,
.steroid-wrapper {
  grid-template-columns: 1fr;
}

.steroid-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.steroid-card {
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease,
    filter 0.2s ease;
}

.steroid-card:hover {
  border-color: rgba(212, 175, 55, 0.7);
  box-shadow: 0 10px 28px rgba(212, 175, 55, 0.35);
  transform: translateY(-2px);
  filter: drop-shadow(0 0 8px rgba(250, 204, 21, 0.35));
}

.steroid-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-sm);
}

.steroid-number-btn {
  padding: 8px 0;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-main);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease;
}

.steroid-number-btn.selected {
  background: var(--gold-gradient);
  color: var(--text-on-gold);
  border-color: rgba(212, 175, 55, 0.9);
  box-shadow: 0 6px 16px rgba(212, 175, 55, 0.4);
  transform: translateY(-1px);
}

.steroid-next-wrapper {
  margin-top: calc(var(--space-md) * 1.5);
}

.steroid-roadmap-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-main);
  cursor: grab;
  box-shadow: var(--shadow-card);
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease;
}

.steroid-roadmap-item:hover {
  border-color: rgba(212, 175, 55, 0.7);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
  transform: translateY(-1px);
}

.steroid-roadmap-item.dragging {
  opacity: 0.85;
  cursor: grabbing;
  box-shadow: 0 10px 24px rgba(212, 175, 55, 0.55);
}

.steroid-roadmap-item.drop-target {
  border-color: rgba(212, 175, 55, 0.95);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.5), 0 10px 24px rgba(212, 175, 55, 0.55);
}

.steroid-roadmap-number {
  font-weight: 600;
}

.steroid-roadmap-actions {
  margin-top: calc(var(--space-md) * 1.5);
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar {
  background: var(--color-bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: var(--space-md);
}

/* Золотые кнопки навигации «Задания 1–12» в сайдбаре */
.sidebar .nav-btn {
  display: block;
  width: 100%;
  margin-bottom: 4px;
  padding: 8px 10px;
  border-radius: 999px;
  border: none;
  background: var(--gold-gradient);
  color: var(--text-on-gold);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease;
}

.sidebar .nav-btn:hover {
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
  transform: translateY(-1px);
}

[data-theme="light"] .site-footer {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 12px rgba(15, 23, 42, 0.08);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}