/* ==================== Header ==================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-top: var(--safe-top);
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  height: var(--header-height-mobile);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 900px) {
  .site-header__inner {
    height: var(--header-height);
    padding-inline: var(--space-6);
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.brand__mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(255, 45, 61, 0.55));
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 12px;
  text-transform: uppercase;
}

.brand__text span:first-child {
  color: var(--text-secondary);
}
.brand__text span:last-child {
  color: var(--text-primary);
  font-size: 15px;
  background: linear-gradient(90deg, var(--red-bright), var(--violet-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 900px) {
  .main-nav {
    display: flex;
  }
}

.main-nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.main-nav__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.main-nav__link.is-active {
  color: var(--text-primary);
  background: rgba(255, 45, 61, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 45, 61, 0.3);
}

.header-spacer {
  flex: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ==================== Search ==================== */

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  min-width: 0;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.search-box:focus-within {
  border-color: var(--border-glow);
  box-shadow: var(--glow-red);
}

.search-box__icon {
  flex-shrink: 0;
  opacity: 0.6;
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  width: 100%;
  min-width: 0;
  color: var(--text-primary);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.header-actions .search-box {
  width: 40px;
  overflow: hidden;
  padding: 8px;
  transition: width var(--duration-base) var(--ease-out), padding var(--duration-base) var(--ease-out);
}

.header-actions .search-box.is-expanded {
  width: 200px;
  padding: 8px 14px;
}

@media (min-width: 640px) {
  .header-actions .search-box {
    width: 220px;
    padding: 8px 14px;
  }
}

/* ==================== Main / Sections ==================== */

.view {
  flex: 1;
  padding-bottom: calc(var(--space-8) + var(--safe-bottom));
}

.section {
  padding-block: var(--space-6);
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.section__link:hover {
  color: var(--red-glow);
}

/* ==================== Grid ==================== */

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .app-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .app-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }
}

@media (min-width: 1280px) {
  .app-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ==================== Footer ==================== */

.site-footer {
  padding: var(--space-6) 0 calc(var(--space-6) + var(--safe-bottom));
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* ==================== Bottom Tab Bar (Mobile) ==================== */

.tab-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  padding-bottom: var(--safe-bottom);
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 900px) {
  .tab-bar {
    display: none;
  }
}

.tab-bar__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 0 6px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
}

.tab-bar__item.is-active {
  color: var(--red-glow);
}

body.has-tab-bar .view {
  padding-bottom: calc(64px + var(--safe-bottom) + var(--space-6));
}

/* ==================== Admin Layout ==================== */

.admin-shell {
  display: flex;
  min-height: 100%;
  flex: 1;
}

.admin-sidebar {
  display: none;
  width: 220px;
  flex-shrink: 0;
  border-right: 1px solid var(--border-subtle);
  padding: var(--space-5) var(--space-3);
}

@media (min-width: 860px) {
  .admin-sidebar {
    display: block;
  }
}

.admin-main {
  flex: 1;
  min-width: 0;
  padding: var(--space-5) var(--space-4) var(--space-8);
}

@media (min-width: 900px) {
  .admin-main {
    padding: var(--space-6);
  }
}

.admin-nav__link {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.admin-nav__link:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}
.admin-nav__link.is-active {
  background: rgba(255, 45, 61, 0.12);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(255, 45, 61, 0.3);
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

/* ==================== Utility Layout ==================== */

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.spread {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}