:root {
    --gn-tier-s: rgba(59, 130, 246, 0.22);
    --gn-tier-a: rgba(45, 212, 191, 0.2);
    --gn-tier-b: rgba(248, 113, 113, 0.18);
    --gn-tier-c: rgba(250, 204, 21, 0.2);
    --gn-tier-d: rgba(148, 163, 184, 0.2);
}

:root[data-bs-theme="light"] {
    --gn-tier-s: rgba(59, 130, 246, 0.16);
    --gn-tier-a: rgba(20, 184, 166, 0.16);
    --gn-tier-b: rgba(248, 113, 113, 0.12);
    --gn-tier-c: rgba(250, 204, 21, 0.16);
    --gn-tier-d: rgba(100, 116, 139, 0.12);
}

.tier-hero-card {
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 45%),
        radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.12), transparent 40%),
        var(--gn-surface);
}

.tier-hero-stats .tier-stat {
    padding: 0.75rem 1rem;
    border-radius: var(--gn-radius-md);
    border: 1px solid var(--gn-border);
    background-color: var(--gn-surface-2);
}

.tier-preview {
    border-radius: var(--gn-radius-lg);
    border: 1px solid var(--gn-border);
    background: var(--gn-surface-2);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: var(--gn-shadow);
}

.tier-preview-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem;
    border-radius: var(--gn-radius-md);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.tier-preview-label {
    font-weight: 700;
    min-width: 1.6rem;
    text-align: center;
}

.tier-preview-items {
    display: flex;
    gap: 0.5rem;
}

.tier-preview-items img {
    width: 50px;
    height: 50px;
    border-radius: var(--gn-radius-sm);
    object-fit: cover;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.tier-preview-s {
    background-color: var(--gn-tier-s);
}

.tier-preview-a {
    background-color: var(--gn-tier-a);
}

.tier-preview-b {
    background-color: var(--gn-tier-b);
}

.tier-preview-c {
    background-color: var(--gn-tier-c);
}

.tier-template-card {
    transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.tier-template-card:hover {
    transform: translateY(-4px);
}

.tier-template-callout {
    background: radial-gradient(circle at 20% 10%, rgba(59, 130, 246, 0.16), transparent 50%),
        radial-gradient(circle at 80% 90%, rgba(59, 130, 246, 0.12), transparent 45%),
        var(--gn-surface);
}

.tier-steps {
    display: grid;
    gap: 1rem;
}

.tier-step {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    border-radius: var(--gn-radius-md);
    border: 1px solid var(--gn-border);
    background-color: var(--gn-surface-2);
}

.tier-step-number {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background-color: rgba(59, 130, 246, 0.18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--gn-text);
}

.tier-animate {
    animation: tierFadeUp 0.7s ease both;
}

.tier-template-grid .col:nth-child(1) .tier-template-card {
    animation-delay: 0.1s;
}

.tier-template-grid .col:nth-child(2) .tier-template-card {
    animation-delay: 0.2s;
}

.tier-template-grid .col:nth-child(3) .tier-template-card {
    animation-delay: 0.3s;
}

.tier-lists-filter .form-label {
    letter-spacing: 0.04em;
}

.tier-lists-filter .input-group-text {
    border-right: 1px solid var(--gn-border);
}

.tier-lists-filter {
    position: relative;
    z-index: 8;
}

.tier-lists-filter .card {
    overflow: visible;
    position: relative;
    z-index: 9;
}

.tier-lists-filter .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--gn-radius-md);
    border: 1px solid var(--gn-border);
    background-color: var(--gn-input);
    color: var(--gn-text);
    box-shadow: var(--gn-shadow);
}

.tier-lists-filter .dropdown-menu {
    width: 100%;
    border-radius: var(--gn-radius-md);
    border: 1px solid var(--gn-border);
    box-shadow: var(--gn-shadow-strong);
    background-color: var(--gn-surface);
    overflow: hidden;
}

.tier-lists-filter .dropdown-item {
    color: var(--gn-text);
}

.tier-lists-filter .dropdown-item:hover,
.tier-lists-filter .dropdown-item:focus {
    background-color: rgba(59, 130, 246, 0.12);
    color: var(--gn-text);
}

.tier-lists-filter .dropdown-item.active,
.tier-lists-filter .dropdown-item:active {
    background-color: rgba(59, 130, 246, 0.16);
    color: var(--gn-text);
}

.tier-lists-filter .dropdown-toggle:focus {
    border-color: var(--gn-accent);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.2);
    color: var(--gn-text);
    background-color: var(--gn-input);
}

.tier-list-markdown {
    line-height: 1.7;
}

.tier-list-markdown h1,
.tier-list-markdown h2,
.tier-list-markdown h3,
.tier-list-markdown h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.tier-list-markdown p {
    margin-bottom: 1rem;
}

.tier-list-markdown ul,
.tier-list-markdown ol {
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}

.tier-list-markdown a {
    color: var(--gn-accent);
}

:root[data-bs-theme="light"] .tier-lists-filter .dropdown-toggle {
    background-color: #ffffff;
    border-color: #d1d9e6;
    color: #0b0d13;
    box-shadow: var(--gn-shadow);
}

:root[data-bs-theme="light"] .tier-lists-filter .dropdown-menu {
    background-color: #ffffff;
    border-color: #d1d9e6;
    box-shadow: var(--gn-shadow-strong);
}

:root[data-bs-theme="light"] .tier-lists-filter .dropdown-item.active,
:root[data-bs-theme="light"] .tier-lists-filter .dropdown-item:active {
    background-color: rgba(59, 130, 246, 0.14);
    color: #0b0d13;
}

.tier-lists-filter .input-group {
    border: 1px solid var(--gn-border);
    border-radius: var(--gn-radius-md);
    overflow: hidden;
    background-color: var(--gn-input);
    box-shadow: var(--gn-shadow);
}

.tier-lists-filter .input-group:focus-within {
    border-color: var(--gn-accent);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.2);
}

.tier-lists-filter .input-group .form-control,
.tier-lists-filter .input-group .input-group-text {
    border: none;
    border-radius: 0;
    background-color: transparent;
}

.tier-lists-filter .input-group .form-control:focus,
.tier-lists-filter .input-group .input-group-text:focus {
    box-shadow: none;
    outline: none;
}

.filter-actions .btn {
    min-width: 110px;
}

.pagination .page-link {
    min-width: 48px;
    min-height: 46px;
    padding: 0.65rem 1.1rem;
    border-radius: var(--gn-radius-md);
    border: 1px solid var(--gn-border);
    background-color: var(--gn-surface);
    box-shadow: var(--gn-shadow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    line-height: 1.1;
}

.pagination .page-item.active .page-link {
    border-color: var(--gn-accent);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.35);
}

.pagination .page-link:hover {
    border-color: var(--gn-accent);
    background-color: rgba(59, 130, 246, 0.12);
    color: var(--gn-text);
}

@keyframes tierFadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 991.98px) {
    .tier-preview {
        box-shadow: none;
    }
}

@media (max-width: 767.98px) {
    .tier-step {
        flex-direction: column;
    }
}