:root {
    --night-top: #07131c;
    --night-mid: #140f35;
    --night-bottom: #081a24;
    --aqua: #49efff;
    --aqua-deep: #16c2e0;
    --teal-night: #7cecff;
    --coral: #ff6e9e;
    --sun: #ffb84d;
    --violet: #8a5cff;
    --ink: #f8f4ff;
    --muted: #b6c0d5;
    --line: rgba(73, 239, 255, 0.28);
    --panel: rgba(8, 18, 40, 0.88);
    --panel-strong: rgba(15, 28, 58, 0.94);
    --shadow: 0 0 0 1px rgba(73, 239, 255, 0.08), 0 24px 60px rgba(2, 8, 24, 0.72);
}

@property --neon-angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    font-family: "Chakra Petch", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255, 110, 158, 0.24), transparent 28%),
        radial-gradient(circle at top right, rgba(73, 239, 255, 0.18), transparent 26%),
        radial-gradient(circle at 50% 120%, rgba(138, 92, 255, 0.18), transparent 32%),
        linear-gradient(180deg, var(--night-top) 0%, var(--night-mid) 45%, var(--night-bottom) 100%);
}

a {
    color: inherit;
}

.site-shell {
    min-height: 100vh;
}

.site-nav {
    position: relative;
    z-index: 1000;
    margin: 1rem;
    padding: 0.6rem 1rem;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(9, 22, 45, 0.9), rgba(20, 16, 52, 0.82));
    box-shadow: 0 0 0 1px rgba(73, 239, 255, 0.08), 0 0 22px rgba(73, 239, 255, 0.08), 0 24px 60px rgba(2, 8, 24, 0.56);
    backdrop-filter: blur(14px);
}

.site-brand,
.site-brand:hover {
    color: var(--aqua);
    font-family: "Unbounded", sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-shadow: 0 0 16px rgba(73, 239, 255, 0.34);
}

.site-link {
    color: #d8e8ff;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.82rem;
}

.site-link:hover,
.site-link:focus {
    color: var(--coral);
}

.site-nav .nav-link.active,
.site-nav .nav-link.show,
.site-nav .nav-link.active:hover,
.site-nav .nav-link.active:focus {
    color: var(--aqua);
    text-shadow: 0 0 16px rgba(73, 239, 255, 0.24);
}

.site-menu {
    z-index: 1100;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(7, 19, 36, 0.98);
}

.site-menu .dropdown-item,
.site-menu .btn-link.nav-link {
    color: var(--aqua);
    text-shadow: 0 0 14px rgba(73, 239, 255, 0.24);
}

.site-menu .dropdown-divider {
    border-color: rgba(73, 239, 255, 0.18);
}

.site-menu .dropdown-item:hover,
.site-menu .dropdown-item:focus,
.site-menu .btn-link.nav-link:hover,
.site-menu .btn-link.nav-link:focus {
    background: rgba(73, 239, 255, 0.12);
    color: var(--aqua);
}

.dropdown-logout-form {
    display: flex;
    justify-content: center;
    padding: 0.25rem 0.75rem 0.5rem;
}

.dropdown-logout-button {
    display: inline-flex;
    justify-content: center;
    width: 100%;
    cursor: pointer;
}

.navbar-toggler {
    border-color: rgba(73, 239, 255, 0.3);
    box-shadow: 0 0 0 1px rgba(73, 239, 255, 0.1);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(73, 239, 255, 0.14);
}

.site-main {
    padding: 1rem 0 4rem;
}

.hero-panel,
.retro-panel {
    border: 1px solid var(--line);
    border-radius: 28px;
    background: linear-gradient(180deg, var(--panel), var(--panel-strong));
    box-shadow:
        0 0 0 1px rgba(73, 239, 255, 0.08),
        0 0 30px rgba(73, 239, 255, 0.06),
        0 24px 60px rgba(2, 8, 24, 0.6);
    backdrop-filter: blur(12px);
}

.hero-panel {
    padding: 3rem;
    margin: 1rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -8% -32% auto;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(73, 239, 255, 0.28), transparent 70%);
    pointer-events: none;
}

.hero-panel::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--coral), var(--sun), var(--aqua));
    box-shadow: 0 0 22px rgba(73, 239, 255, 0.3);
}

.hero-panel h1,
.section-header h1,
.article-detail-panel h1,
.retro-panel h2 {
    margin: 0;
    font-family: "Unbounded", sans-serif;
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.hero-panel h1 {
    font-size: clamp(3rem, 6vw, 5.6rem);
    max-width: 11ch;
    text-shadow: 0 0 22px rgba(255, 110, 158, 0.12);
}

.hero-copy,
.muted-copy,
.article-body,
.comment-item p {
    color: var(--muted);
    line-height: 1.8;
    font-size: 1.02rem;
}

.hero-copy {
    max-width: 42rem;
    margin: 1.25rem 0 0;
    padding: 1rem 1.15rem;
    border: 1px solid rgba(255, 110, 158, 0.18);
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(22, 194, 224, 0.1), rgba(138, 92, 255, 0.12));
    box-shadow: inset 0 0 0 1px rgba(73, 239, 255, 0.06);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.8rem;
    border: 1px solid rgba(73, 239, 255, 0.2);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(73, 239, 255, 0.1), rgba(255, 110, 158, 0.08));
    margin-bottom: 1rem;
    color: var(--aqua);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    font-weight: 700;
    text-shadow: 0 0 18px rgba(73, 239, 255, 0.24);
}

.hero-actions,
.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.site-button {
    border: 0;
    border-radius: 999px;
    padding: 0.7rem 1.1rem;
    color: #fffdf9;
    background: linear-gradient(135deg, var(--coral), var(--sun));
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    box-shadow: 0 0 0 1px rgba(255, 184, 77, 0.14), 0 12px 26px rgba(255, 107, 107, 0.24);
}

.site-button:hover,
.site-button:focus {
    color: #fffdf9;
    background: linear-gradient(135deg, #ff5b88, #ffaa4f);
}

.site-button-muted {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(73, 239, 255, 0.28);
    box-shadow: none;
}

.site-button-muted:hover,
.site-button-muted:focus {
    color: var(--ink);
    background: rgba(73, 239, 255, 0.12);
}

.feature-grid,
.comment-section {
    display: grid;
    gap: 1.5rem;
}

.feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.homepage-ranking {
    margin-top: 1.25rem;
}

.retro-panel {
    padding: 1.6rem;
}

.ranking-list,
.comment-list {
    display: grid;
    gap: 1rem;
}

.ranking-item,
.comment-item {
    display: grid;
    gap: 0.35rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    text-decoration: none;
}

.ranking-item:first-child,
.comment-item:first-child {
    padding-top: 0;
    border-top: 0;
}

.ranking-index {
    color: var(--coral);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    font-weight: 700;
    text-shadow: 0 0 18px rgba(255, 110, 158, 0.28);
}

.ranking-item strong,
.article-panel h2,
.article-detail-panel h1,
.retro-panel h2 {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    text-transform: uppercase;
}

.ranking-item small,
.article-meta,
.comment-item small {
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ranking-item small,
.comment-item small {
    display: inline-flex;
    width: fit-content;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(255, 184, 77, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}

.section-header {
    margin: 1rem 0 1.5rem;
}

.section-header h1 {
    color: var(--teal-night);
    text-shadow: 0 0 18px rgba(73, 239, 255, 0.18);
}

.article-panel,
.article-detail-panel {
    --neon-angle: 0deg;
    margin-bottom: 1.5rem;
    position: relative;
    isolation: isolate;
    border: 1px solid transparent;
    background:
        linear-gradient(180deg, var(--panel), var(--panel-strong)) padding-box,
        conic-gradient(
            from var(--neon-angle),
            rgba(73, 239, 255, 0.16),
            rgba(73, 239, 255, 0.92),
            rgba(255, 110, 158, 0.88),
            rgba(255, 184, 77, 0.92),
            rgba(138, 92, 255, 0.82),
            rgba(73, 239, 255, 0.16)
        ) border-box;
    box-shadow:
        0 0 0 1px rgba(73, 239, 255, 0.1),
        0 0 28px rgba(73, 239, 255, 0.08),
        0 0 48px rgba(255, 110, 158, 0.05),
        0 24px 60px rgba(2, 8, 24, 0.66);
    animation: neon-border-spin 7s linear infinite, neon-border-glow 2.8s ease-in-out infinite;
}

.article-panel > *,
.article-detail-panel > * {
    position: relative;
    z-index: 1;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1rem;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(73, 239, 255, 0.14);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(73, 239, 255, 0.08), rgba(138, 92, 255, 0.08));
    box-shadow: inset 0 0 0 1px rgba(73, 239, 255, 0.04);
}

.article-link {
    text-decoration: none;
}

.article-link:hover,
.article-actions a:hover,
.article-actions a:focus {
    color: var(--aqua);
}

.article-actions a {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.8rem;
    border: 1px solid rgba(255, 110, 158, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    text-decoration: none;
}

.article-panel h2 a,
.article-detail-panel h1 {
    color: #f7f7ff;
}

.article-panel {
    position: relative;
}

.article-panel::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 8px;
    border-radius: 28px 0 0 28px;
    background: linear-gradient(180deg, var(--coral), var(--aqua));
    box-shadow: 0 0 24px rgba(73, 239, 255, 0.25);
}

.article-panel::after,
.article-detail-panel::after {
    content: "";
    position: absolute;
    inset: 14px;
    z-index: 0;
    border-radius: 20px;
    border: 1px solid rgba(73, 239, 255, 0.08);
    background:
        linear-gradient(120deg, rgba(73, 239, 255, 0.04), transparent 40%),
        linear-gradient(300deg, rgba(255, 110, 158, 0.05), transparent 42%);
    pointer-events: none;
    opacity: 0.9;
}

.article-body-full {
    white-space: pre-line;
}

.comment-item {
    padding: 1rem 1rem 0;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 0 0 1px rgba(73, 239, 255, 0.08);
}

.comment-item:first-child {
    padding-top: 1rem;
}

.comment-form .form-text,
.form-text {
    color: var(--muted);
}

.muted-copy,
.article-body,
.comment-item p {
    padding: 0.95rem 1rem;
    border: 1px solid rgba(73, 239, 255, 0.08);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(73, 239, 255, 0.03));
    box-shadow: inset 0 0 0 1px rgba(73, 239, 255, 0.03);
}

.comment-form label,
.update-form label {
    margin-bottom: 0.35rem;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    font-weight: 700;
    text-shadow: 0 0 16px rgba(73, 239, 255, 0.16);
}

.comment-form input,
.comment-form textarea,
.update-form input,
.update-form textarea {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(6, 16, 36, 0.82);
    color: var(--ink);
}

.comment-form input:focus,
.comment-form textarea:focus,
.update-form input:focus,
.update-form textarea:focus {
    border-color: rgba(46, 196, 199, 0.7);
    box-shadow: 0 0 0 0.25rem rgba(46, 196, 199, 0.16);
}

.editor-panel {
    padding: 1.8rem;
}

.editor-intro {
    margin-bottom: 1.25rem;
}

.editor-form-wrap {
    position: relative;
    padding: 1.2rem;
    border: 1px solid rgba(73, 239, 255, 0.14);
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(73, 239, 255, 0.03));
    box-shadow:
        inset 0 0 0 1px rgba(73, 239, 255, 0.04),
        0 0 28px rgba(73, 239, 255, 0.05);
}

.editor-form .form-label {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.42rem 0.8rem;
    border: 1px solid rgba(255, 110, 158, 0.16);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 110, 158, 0.08), rgba(73, 239, 255, 0.08));
}

.editor-form input,
.editor-form textarea {
    padding: 0.95rem 1rem;
}

.editor-form textarea {
    min-height: 16rem;
    resize: vertical;
}

.editor-form .form-text {
    margin-top: 0.6rem;
    padding-left: 0.3rem;
}

.editor-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.5rem;
}

.editor-backlink {
    display: inline-flex;
    align-items: center;
    padding: 0.65rem 0.95rem;
    border: 1px solid rgba(73, 239, 255, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--aqua);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
}

.editor-backlink:hover,
.editor-backlink:focus {
    color: var(--ink);
    background: rgba(73, 239, 255, 0.12);
}

@media (max-width: 767px) {
    .site-nav {
        margin: 0.75rem;
    }

    .hero-panel {
        padding: 2rem 1.25rem;
    }

    .retro-panel {
        padding: 1.25rem;
    }

    .editor-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .editor-backlink,
    .editor-actions .site-button {
        justify-content: center;
    }
}

@keyframes neon-border-spin {
    from {
        --neon-angle: 0deg;
    }

    to {
        --neon-angle: 360deg;
    }
}

@keyframes neon-border-glow {
    0%,
    100% {
        box-shadow:
            0 0 0 1px rgba(73, 239, 255, 0.1),
            0 0 24px rgba(73, 239, 255, 0.08),
            0 0 44px rgba(255, 110, 158, 0.04),
            0 24px 60px rgba(2, 8, 24, 0.62);
    }

    50% {
        box-shadow:
            0 0 0 1px rgba(73, 239, 255, 0.2),
            0 0 32px rgba(73, 239, 255, 0.14),
            0 0 58px rgba(255, 110, 158, 0.08),
            0 24px 60px rgba(2, 8, 24, 0.7);
    }
}