:root {
    --ink: #0f0f0f;
    --paper: #f7f7f7;
    --line: #1f1f1f;
    --muted: #6e6e6e;
    --panel: rgba(255, 255, 255, 0.88);
    --danger: #b80f0f;
    --bg-a: #ffffff;
    --bg-b: #dfdfdf;
    --bg-c: #cbcbcb;
    --header-bg: rgba(255, 255, 255, 0.75);
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --btn-bg: #f4f4f4;
    --btn-ink: #000000;
    --banner-bg: #0f0f0f;
    --banner-ink: #ffffff;
    --hero-a: rgba(255, 255, 255, 0.98);
    --hero-b: rgba(229, 229, 229, 0.9);
    --solid-btn-bg: #0f0f0f;
    --solid-btn-ink: #ffffff;
}

html[data-theme="dark"] {
    --ink: #eceff5;
    --paper: #0f1217;
    --line: #8d99aa;
    --muted: #a9b5c7;
    --panel: rgba(23, 30, 40, 0.88);
    --danger: #e05d5d;
    --bg-a: #131722;
    --bg-b: #10131b;
    --bg-c: #0c0f15;
    --header-bg: rgba(15, 20, 30, 0.8);
    --card-bg: #18212d;
    --input-bg: #101722;
    --btn-bg: #1d2736;
    --btn-ink: #f4f7ff;
    --banner-bg: #263247;
    --banner-ink: #f7fbff;
    --hero-a: rgba(18, 26, 38, 0.98);
    --hero-b: rgba(12, 18, 28, 0.92);
    --solid-btn-bg: #dbe8ff;
    --solid-btn-ink: #0f1728;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 20% 10%, var(--bg-a), var(--bg-b) 45%, var(--bg-c) 100%);
    min-height: 100vh;
    transition: color .2s ease, background .2s ease;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(color-mix(in srgb, var(--ink) 10%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--ink) 10%, transparent) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: -1;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 2px solid var(--line);
    background: var(--header-bg);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    letter-spacing: 2px;
    text-decoration: none;
    color: var(--ink);
    font-size: 1.4rem;
}

nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

nav a, .mini-link {
    text-decoration: none;
    color: var(--ink);
    border-bottom: 1px solid transparent;
}

nav a:hover, .mini-link:hover {
    border-color: var(--ink);
}

.theme-toggle {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 11px;
    background: var(--btn-bg);
    color: var(--ink);
    cursor: pointer;
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: .02em;
}

.theme-toggle:hover {
    filter: brightness(0.96);
}

.main-wrap {
    width: min(1100px, 94vw);
    margin: 24px auto;
    display: grid;
    gap: 20px;
    color: var(--ink);
}

.welcome-banner {
    background: var(--banner-bg);
    color: var(--banner-ink);
    padding: 10px 14px;
    border-radius: 10px;
    animation: slideIn .5s ease;
}

.panel {
    background: var(--panel);
    border: 2px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    color: var(--ink);
}

.auth-panel {
    width: min(600px, 94vw);
    margin: 0 auto;
}

.hero {
    text-align: center;
    padding: 80px 20px;
    border: 2px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(130deg, var(--hero-a), var(--hero-b));
}

.hero h1 {
    margin-top: 0;
    font-family: 'Orbitron', sans-serif;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.form-grid {
    display: grid;
    gap: 12px;
}

label {
    display: grid;
    gap: 6px;
}

input, textarea, select, button {
    font: inherit;
}

input, textarea, select {
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px;
    background: var(--input-bg);
    color: var(--ink);
}

.btn {
    border: 1px solid #222;
    padding: 9px 12px;
    border-radius: 8px;
    background: var(--btn-bg);
    color: var(--btn-ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-solid {
    background: var(--solid-btn-bg);
    color: var(--solid-btn-ink);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: #780808;
}

.thread-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.thread-card {
    border: 1px solid #2f2f2f;
    border-radius: 10px;
    padding: 14px;
    text-decoration: none;
    color: var(--ink);
    background: var(--card-bg);
    transition: transform .2s ease, box-shadow .2s ease;
}

.thread-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

.post-list {
    display: grid;
    gap: 10px;
}

.post-item {
    border: 1px solid #2f2f2f;
    border-radius: 10px;
    padding: 12px;
    background: var(--card-bg);
}

.post-item a {
    color: var(--ink);
    text-decoration: none;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .85rem;
    color: var(--muted);
}

.row-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.badge-wrap {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.badge-chip {
    border: 1px solid #222;
    background: color-mix(in srgb, var(--card-bg) 84%, var(--ink) 16%);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: .8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-icon {
    display: inline-flex;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    border: 1px solid #333;
    font-size: .68rem;
    font-weight: 700;
    background: #ffffff;
}

.badge-earned {
    background: color-mix(in srgb, #6d8ed6 36%, var(--card-bg) 64%);
    border-color: #304f9a;
}

.badge-staff {
    background: color-mix(in srgb, var(--card-bg) 88%, var(--ink) 12%);
    border-color: #111;
}

.badge-custom {
    background: color-mix(in srgb, #6ac27d 28%, var(--card-bg) 72%);
    border-color: #2a7d3d;
}

.owner-style-panel {
    border: 1px solid #2f2f2f;
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 16px;
    background: var(--card-bg);
}

.owner-style-panel h4 {
    margin: 0 0 8px;
}

.color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid #111;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 6px;
}

.flash-wrap {
    display: grid;
    gap: 8px;
}

.flash {
    border-radius: 8px;
    padding: 10px;
    border: 1px solid #111;
    background: var(--card-bg);
}

.flash-error { border-color: #8b0f0f; }
.flash-success { border-color: #0d6f2a; }
.flash-info { border-color: #203f8f; }

.profile-head {
    display: flex;
    gap: 14px;
    align-items: center;
}

.avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #111;
}

.avatar-preview-block {
    display: grid;
    gap: 8px;
}

.avatar-preview {
    background: var(--card-bg);
}

.qr {
    width: 190px;
    border: 1px solid #111;
    border-radius: 8px;
    background: var(--card-bg);
    padding: 6px;
}

.mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .9rem;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
}

th, td {
    border: 1px solid #333;
    text-align: left;
    padding: 8px;
    font-size: .9rem;
    color: var(--ink);
}

.inline-form {
    display: flex;
    gap: 8px;
}

.staff-actions {
    display: grid;
    gap: 8px;
}

.hours-input {
    width: 90px;
}

.perm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 10px;
}

.perm-hint {
    margin-top: 8px;
    font-size: .82rem;
    font-weight: 700;
    color: var(--muted);
}

.reason-input {
    width: 200px;
}

.site-footer {
    text-align: center;
    padding: 20px;
    color: var(--muted);
}

@keyframes slideIn {
    from { transform: translateY(-8px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 700px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .hero {
        padding: 50px 16px;
    }
}