/* ============================================================
 * Tuoluo — Cyber Neon Theme
 * Dark base + cyan/magenta/yellow neon accents
 * ============================================================ */

:root {
    /* base surfaces */
    --bg-base:       #0a0a14;
    --bg-surface:    #14141f;
    --bg-elevated:   #1c1c2a;
    --bg-input:      #0f0f1a;

    /* text */
    --text-primary:   #f0f0f5;
    --text-secondary: #a8a8b8;
    --text-muted:     #6a6a7a;

    /* neon accents */
    --neon-cyan:     #00d9ff;
    --neon-magenta:  #ff2a9d;
    --neon-yellow:   #ffd60a;
    --neon-green:    #00ff88;
    --neon-purple:   #b366ff;
    --neon-red:      #ff3860;

    /* borders / glows */
    --border:        #2a2a3a;
    --border-strong: #3a3a4a;
    --glow-cyan:     0 0 12px rgba(0, 217, 255, 0.45);
    --glow-magenta:  0 0 12px rgba(255, 42, 157, 0.45);
    --glow-yellow:   0 0 14px rgba(255, 214, 10, 0.5);
    --glow-green:    0 0 12px rgba(0, 255, 136, 0.45);
}

/* ---------- base ---------- */
html {
    font-size: 15px;
    min-height: 100%;
}
@media (min-width: 768px) { html { font-size: 16px; } }

/* ---------- 純文字內容裡自動偵測的 URL 連結 ---------- */
.rich-text a.text-link,
a.text-link {
    color: var(--neon-cyan);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    word-break: break-all;        /* 長 URL 不會撐破容器 */
}
.rich-text a.text-link:hover,
a.text-link:hover {
    color: var(--neon-magenta);
    text-decoration-thickness: 2px;
}

/* ---------- mobile utility classes ---------- */
/* < 576px (xs phone) 隱藏次要欄位 / 元素 */
@media (max-width: 575.98px) {
    .mobile-hide { display: none !important; }
}
/* hero 在手機縮排 + 標題縮小 */
@media (max-width: 575.98px) {
    .hero { padding: 2rem 1.25rem !important; }
    .hero h1 { font-size: 1.85rem !important; }
    .hero .lead { font-size: 1rem; }
}
/* 裁判 / 個人頁圓形大頭照在手機縮小 */
@media (max-width: 575.98px) {
    .avatar-mobile-shrink { width: 100px !important; height: 100px !important; }
}
/* 會員編號 / 長代碼 code 區塊不撐爆 */
.code-block {
    max-width: 100%;
    word-break: break-all;
    display: inline-block;
}

body {
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 217, 255, 0.08), transparent 70%),
        radial-gradient(ellipse 80% 60% at 80% 90%, rgba(255, 42, 157, 0.06), transparent 70%),
        var(--bg-base) !important;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    min-height: 100vh;
    margin-bottom: 60px;
}

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); letter-spacing: .02em; }
.display-1, .display-4, .display-5 { letter-spacing: -.02em; font-weight: 700; }

a               { color: var(--neon-cyan); text-decoration: none; transition: color .15s; }
a:hover         { color: var(--neon-magenta); text-decoration: none; }
.text-muted     { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-dark      { color: var(--text-primary) !important; }
hr              { border-color: var(--border); }

/* ---------- navbar ---------- */
.navbar.bg-dark {
    position: relative;
    z-index: 1030;          /* 確保 dropdown 蓋過 hero / page content (Bootstrap sticky 慣例值) */
    background: rgba(10, 10, 20, 0.85) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 rgba(0, 217, 255, 0.12);
}
.navbar-brand {
    letter-spacing: .08em;
    font-weight: 700 !important;
}
.navbar-brand .text-warning {
    color: var(--neon-yellow) !important;
    text-shadow: 0 0 10px rgba(255, 214, 10, 0.5);
}
.navbar-dark .navbar-nav .nav-link {
    color: var(--text-secondary);
    transition: color .15s, text-shadow .15s;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.5);
}
.navbar-dark .navbar-nav .nav-link.text-warning {
    color: var(--neon-yellow) !important;
}

/* ---------- buttons ---------- */
.btn { border-radius: .4rem; font-weight: 500; letter-spacing: .02em; transition: all .15s; }

.btn-warning {
    background: var(--neon-yellow);
    border-color: var(--neon-yellow);
    color: #2a1f00;
    font-weight: 600;
}
.btn-warning:hover, .btn-warning:focus {
    background: #ffe14a;
    border-color: #ffe14a;
    color: #2a1f00;
    box-shadow: var(--glow-yellow);
}

.btn-dark {
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
}
.btn-dark:hover {
    background: #25253a;
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-outline-dark {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
}
.btn-outline-dark:hover {
    background: transparent;
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-outline-light, .btn-outline-secondary {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
}
.btn-outline-light:hover, .btn-outline-secondary:hover {
    background: transparent;
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-outline-warning {
    border: 1px solid var(--neon-yellow);
    color: var(--neon-yellow);
}
.btn-outline-warning:hover {
    background: var(--neon-yellow);
    color: #2a1f00;
    box-shadow: var(--glow-yellow);
}

.btn-outline-danger {
    border: 1px solid var(--neon-red);
    color: var(--neon-red);
}
.btn-outline-danger:hover {
    background: var(--neon-red);
    color: #fff;
    box-shadow: 0 0 12px rgba(255, 56, 96, 0.5);
}

.btn-success {
    background: var(--neon-green);
    border-color: var(--neon-green);
    color: #00261a;
}
.btn-success:hover {
    background: #2cffa1;
    border-color: #2cffa1;
    color: #00261a;
    box-shadow: var(--glow-green);
}

.btn:focus, .btn:active:focus, .form-control:focus, .form-select:focus, .form-check-input:focus {
    outline: none;
    box-shadow: 0 0 0 .2rem rgba(0, 217, 255, 0.25);
}

/* ---------- cards ---------- */
.card, .table-responsive.bg-white {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border);
    border-radius: .6rem;
    color: var(--text-primary);
}
.card-body, .card-text { color: var(--text-primary); }
.card-title { color: var(--text-primary); }
.card-img-top { background: var(--bg-elevated) !important; }

/* ---------- tables ---------- */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
    --bs-table-hover-bg: rgba(0, 217, 255, 0.06);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-border-color: var(--border);
}
.table-light {
    --bs-table-bg: var(--bg-elevated);
    --bs-table-color: var(--text-primary);
    color: var(--text-primary);
}
.table thead th { color: var(--text-secondary); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: .78rem; }
.table tbody td a { color: var(--neon-cyan); }
.table tbody td a:hover { color: var(--neon-magenta); }
.table tbody td.fw-semibold a, .table tbody td a.text-dark { color: var(--text-primary); }
.table tbody td a.text-dark:hover { color: var(--neon-cyan); }

/* ---------- forms ---------- */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
}
.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--neon-cyan);
    color: var(--text-primary);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled, .form-control[readonly] { background: var(--bg-elevated); color: var(--text-muted); }
.form-label, .form-text { color: var(--text-secondary); }
.form-check-input {
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
}
.form-check-input:checked {
    background: var(--neon-cyan);
    border-color: var(--neon-cyan);
}

/* ---------- alerts ---------- */
.alert {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
}
.alert-success { border-color: var(--neon-green); color: var(--neon-green); background: rgba(0, 255, 136, 0.08); }
.alert-warning { border-color: var(--neon-yellow); color: var(--neon-yellow); background: rgba(255, 214, 10, 0.08); }
.alert-danger  { border-color: var(--neon-red); color: var(--neon-red); background: rgba(255, 56, 96, 0.08); }
.alert-info    { border-color: var(--neon-cyan); color: var(--neon-cyan); background: rgba(0, 217, 255, 0.08); }
.alert-light, .alert-secondary { background: var(--bg-elevated); border-color: var(--border); color: var(--text-secondary); }

/* ---------- pagination ---------- */
.pagination {
    --bs-pagination-bg: var(--bg-surface);
    --bs-pagination-color: var(--text-secondary);
    --bs-pagination-border-color: var(--border-strong);
    --bs-pagination-hover-bg: rgba(0, 217, 255, 0.08);
    --bs-pagination-hover-color: var(--neon-cyan);
    --bs-pagination-hover-border-color: var(--neon-cyan);
    --bs-pagination-focus-bg: rgba(0, 217, 255, 0.12);
    --bs-pagination-focus-color: var(--neon-cyan);
    --bs-pagination-focus-box-shadow: 0 0 0 .2rem rgba(0, 217, 255, 0.25);
    --bs-pagination-active-bg: var(--neon-cyan);
    --bs-pagination-active-color: #001a22;
    --bs-pagination-active-border-color: var(--neon-cyan);
    --bs-pagination-disabled-bg: var(--bg-base);
    --bs-pagination-disabled-color: var(--text-muted);
    --bs-pagination-disabled-border-color: var(--border);
}

/* ---------- breadcrumb ---------- */
.breadcrumb { background: transparent; padding: 0; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--neon-cyan); }
.breadcrumb-item.active { color: var(--text-muted); }

/* ---------- badges ---------- */
.badge.bg-secondary { background: var(--bg-elevated) !important; color: var(--text-secondary) !important; border: 1px solid var(--border); }
.badge.bg-dark      { background: var(--bg-base) !important; color: var(--text-primary) !important; border: 1px solid var(--border); }
.badge.bg-success   { background: rgba(0, 255, 136, 0.12) !important; color: var(--neon-green) !important; border: 1px solid var(--neon-green); }
.badge.bg-danger    { background: rgba(255, 56, 96, 0.12) !important; color: var(--neon-red) !important; border: 1px solid var(--neon-red); }
.badge.bg-warning   { background: rgba(255, 214, 10, 0.15) !important; color: var(--neon-yellow) !important; border: 1px solid var(--neon-yellow); }
.badge.bg-info      { background: rgba(0, 217, 255, 0.12) !important; color: var(--neon-cyan) !important; border: 1px solid var(--neon-cyan); }

/* type badges (Beyblade attribute) */
.type-badge-att { background-color: var(--neon-magenta) !important; color: #fff; box-shadow: var(--glow-magenta); }
.type-badge-def { background-color: var(--neon-cyan) !important; color: #001a22; box-shadow: var(--glow-cyan); }
.type-badge-sta { background-color: var(--neon-green) !important; color: #00261a; box-shadow: var(--glow-green); }
.type-badge-bal { background-color: var(--neon-purple) !important; color: #fff; box-shadow: 0 0 12px rgba(179, 102, 255, 0.5); }
/* 中文舊 type (Beyblade legacy) */
.type-badge-攻擊型 { background-color: var(--neon-magenta) !important; color: #fff; }
.type-badge-防禦型 { background-color: var(--neon-cyan) !important; color: #001a22; }
.type-badge-持久型 { background-color: var(--neon-green) !important; color: #00261a; }
.type-badge-平衡型 { background-color: var(--neon-purple) !important; color: #fff; }

/* ---------- tournament status pill ---------- */
.status-pill {
    display: inline-block;
    font-size: .75rem;
    font-weight: 600;
    padding: .22rem .65rem;
    border-radius: 999px;
    letter-spacing: .04em;
    border: 1px solid currentColor;
    background: rgba(255, 255, 255, 0.02);
}
.status-報名中 { color: var(--neon-green); box-shadow: var(--glow-green); }
.status-未開始 { color: var(--neon-green); box-shadow: var(--glow-green); }
.status-進行中 { color: var(--neon-yellow); box-shadow: var(--glow-yellow); }
.status-已結束 { color: var(--text-muted); }

/* ---------- hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(0, 217, 255, 0.18) 0%, rgba(255, 42, 157, 0.15) 50%, rgba(255, 214, 10, 0.12) 100%),
        linear-gradient(180deg, #0d0d18 0%, #16162a 100%);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: .8rem;
    padding: 3.5rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.1);
}
.hero::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255, 42, 157, 0.2), transparent 50%);
    pointer-events: none;
}
.hero h1 {
    font-weight: 800;
    letter-spacing: -.02em;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
}
.hero .lead { color: var(--text-secondary); position: relative; z-index: 1; }
.hero .btn { position: relative; z-index: 1; }

/* ---------- beyblade card (Index 卡片 hover 效果) ---------- */
.beyblade-card {
    transition: transform .2s, box-shadow .2s, border-color .2s;
    height: 100%;
}
.beyblade-card:hover {
    transform: translateY(-4px);
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 217, 255, 0.25);
}

/* ---------- series card (陀螺商品卡片) ---------- */
.series-card {
    color: var(--text-primary);
    transition: transform .2s, box-shadow .2s, border-color .2s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.series-card:hover {
    transform: translateY(-4px);
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 217, 255, 0.25);
    color: var(--text-primary);
}
.series-card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--bg-elevated);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: .75rem;
}
.series-card-cover img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform .3s;
}
.series-card:hover .series-card-cover img { transform: scale(1.05); }
.series-card-cover--text {
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 217, 255, 0.20), transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255, 42, 157, 0.18), transparent 55%),
        linear-gradient(180deg, #16162a 0%, #0a0a14 100%);
}
.series-cover-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 1rem;
}
.series-cover-fallback > span {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.65), 0 0 18px rgba(0, 217, 255, 0.35);
    word-break: break-all;
}
.series-card-badges {
    position: absolute;
    top: .4rem;
    left: .4rem;
    display: flex;
    gap: .25rem;
    pointer-events: none;
}
.series-code {
    font-size: .75rem;
    margin-bottom: .2rem;
}
.series-code > code {
    color: var(--neon-cyan);
    background: transparent;
    padding: 0;
    font-size: .82rem;
}
.series-title {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: .15rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.3em * 2);
}
.series-subtitle {
    font-size: .75rem;
    color: var(--text-muted);
    margin-bottom: .35rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- stats table (Series Details) ---------- */
.stat-table { display: grid; gap: .35rem; }
.stat-row {
    display: grid;
    grid-template-columns: 48px 1fr 40px;
    align-items: center;
    gap: .55rem;
    font-size: .82rem;
}
.stat-row .stat-label { color: var(--text-secondary); }
.stat-row .stat-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
    display: block;
}
.stat-row .stat-bar > span {
    display: block;
    height: 100%;
    border-radius: 999px;
    transition: width .3s;
}
.stat-row .stat-val {
    font-weight: 700;
    color: #fff;
    text-align: right;
}

/* ---------- tournament card (公開列表用) ---------- */
.tournament-card {
    color: var(--text-primary);
    transition: transform .2s, box-shadow .2s, border-color .2s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.tournament-card:hover {
    transform: translateY(-4px);
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 217, 255, 0.25);
    color: var(--text-primary);
}
.tournament-card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--bg-elevated);
    overflow: hidden;
}
.tournament-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s;
}
.tournament-card:hover .tournament-card-cover img {
    transform: scale(1.04);
}
/* 沒封面圖時:把賽事名稱當封面顯示(類似專輯封面) */
.tournament-card-cover.tournament-card-cover--text {
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 217, 255, 0.20), transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255, 42, 157, 0.18), transparent 55%),
        linear-gradient(180deg, #16162a 0%, #0a0a14 100%);
}
.tournament-card-cover--text .cover-title-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.6rem 1rem 1rem;          /* 上方留空避免壓到 badges */
}
.tournament-card-cover--text .cover-title-fallback > span {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: .02em;
    color: #fff;
    text-shadow:
        0 2px 10px rgba(0, 0, 0, 0.65),
        0 0 22px rgba(0, 217, 255, 0.35);
    transition: transform .3s;
}
.tournament-card:hover .tournament-card-cover--text .cover-title-fallback > span {
    transform: scale(1.03);
}
.tournament-card-badges {
    position: absolute;
    top: .55rem;
    left: .55rem;
    right: .55rem;
    display: flex;
    flex-wrap: wrap;
    gap: .3rem;
    pointer-events: none;
}
.tournament-card-badges .status-pill,
.tournament-card-badges .badge {
    backdrop-filter: blur(8px);
    background: rgba(13, 13, 24, 0.75);
}
.tournament-card-title {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.35em * 2);
}
.tournament-card-meta {
    font-size: .82rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: .25rem;
}
.tournament-card-meta .meta-row {
    display: flex;
    align-items: center;
    gap: .4rem;
    min-width: 0;
}
.tournament-card-meta .meta-icon {
    flex-shrink: 0;
    width: 1rem;
    text-align: center;
    font-size: .8rem;
    opacity: .85;
}
.tournament-card-meta .meta-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.tournament-card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    border-top: 1px solid var(--border);
    font-size: .82rem;
}
.tournament-card-foot .foot-fee {
    color: var(--neon-yellow);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}
.tournament-card-foot .foot-cap {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ---------- dropdown menu ----------
 * Bootstrap 5 透過 --bs-dropdown-* 變數驅動,單純 override background 會被內部規則蓋掉
 */
.dropdown-menu {
    --bs-dropdown-bg:              var(--bg-elevated);
    --bs-dropdown-border-color:    var(--border-strong);
    --bs-dropdown-divider-bg:      var(--border);
    --bs-dropdown-color:           var(--text-primary);
    --bs-dropdown-link-color:      var(--text-primary);
    --bs-dropdown-link-hover-bg:   rgba(0, 217, 255, 0.08);
    --bs-dropdown-link-hover-color: var(--neon-cyan);
    --bs-dropdown-link-active-bg:  rgba(0, 217, 255, 0.15);
    --bs-dropdown-link-active-color: var(--neon-cyan);
    --bs-dropdown-header-color:    var(--text-muted);
    --bs-dropdown-min-width:       12rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.dropdown-item-text { color: var(--text-muted) !important; }
/* form 內的 logout button (dropdown-item) — 確保沒繼承 btn 的 background */
button.dropdown-item {
    background: transparent;
    border: 0;
    width: 100%;
    text-align: left;
}
button.dropdown-item:hover {
    background: var(--bs-dropdown-link-hover-bg);
    color: var(--bs-dropdown-link-hover-color);
}

/* ---------- footer ---------- */
footer.border-top {
    border-color: var(--border) !important;
    background: rgba(10, 10, 20, 0.5);
    backdrop-filter: blur(8px);
    color: var(--text-muted) !important;
}
footer.border-top a { color: var(--text-muted); }
footer.border-top a:hover { color: var(--neon-cyan); }

/* ---------- code ---------- */
code, pre, .code, kbd { color: var(--neon-cyan); background: var(--bg-input); padding: 2px 6px; border-radius: 3px; }

/* ---------- definition list / details ---------- */
dt { color: var(--text-secondary); font-weight: 500; }
dd { color: var(--text-primary); }

/* ---------- image lightbox (point-and-shoot 預覽,不開新分頁) ---------- */
.lightbox-thumb { cursor: zoom-in; transition: filter .15s, transform .15s; }
.lightbox-thumb:hover { filter: brightness(1.1); transform: scale(1.01); }

.image-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.image-lightbox.open { display: flex; }
.image-lightbox img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    box-shadow: 0 0 60px rgba(0, 217, 255, 0.25);
    border-radius: 4px;
    cursor: default;
}
.image-lightbox button {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    transition: all .15s;
}
.image-lightbox button:hover {
    background: rgba(0, 217, 255, 0.2);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}
.image-lightbox .lb-close {
    position: absolute;
    top: 20px; right: 24px;
    width: 44px; height: 44px;
    font-size: 1.6rem;
    border-radius: 50%;
    line-height: 1;
}
.image-lightbox .lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px; height: 52px;
    border-radius: 50%;
    font-size: 1.7rem;
    line-height: 1;
}
.image-lightbox .lb-prev { left: 20px; }
.image-lightbox .lb-next { right: 20px; }
.image-lightbox .lb-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: .85rem;
    letter-spacing: .05em;
}

/* ---------- scrollbar (webkit) ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-cyan); }