/* ============================================================================
   Thanh phan dung lai o nhieu trang: card, bang, tab, badge, skeleton
   ========================================================================= */

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-head h2, .card-head h3 { font-size: 16px; }
.card-body { padding: 16px 20px; }

.link-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}
.link-more:hover { color: var(--brand); }

/* --- Tab --- */
.tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
    position: relative;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    border-radius: var(--radius-sm);
    transition: color 0.15s var(--ease);
}
.tab:hover { color: var(--text-primary); }
.tab[aria-selected="true"] { color: var(--text-primary); font-weight: 600; }
.tab[aria-selected="true"]::after {
    content: '';
    position: absolute;
    left: 12px; right: 12px; bottom: -1px;
    height: 3px;
    background: var(--brand);
    border-radius: 3px;
}
.tab .count {
    margin-left: 5px;
    padding: 1px 6px;
    font-size: 11px;
    border-radius: var(--radius-pill);
    background: var(--bg-elevated);
    color: var(--text-secondary);
}

/* --- Bang --- */
.table-wrap {
    /* Bang rong phai tu cuon trong khung cua no, than trang khong cuon ngang */
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
table.data {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 13px;
}
table.data th {
    padding: 10px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}
table.data td {
    height: 48px;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
table.data tbody tr { transition: background 0.12s var(--ease); }
table.data tbody tr:hover { background: var(--bg-surface-2); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data th.ta-right,
table.data td.ta-right { text-align: right; }

/* --- Badge --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 22px;
    padding: 0 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-buy    { background: var(--up-bg);   color: var(--up); }
.badge-sell   { background: var(--down-bg); color: var(--down); }
.badge-wait   { background: var(--bg-elevated); color: var(--text-secondary); }
.badge-watch  { background: var(--brand-soft); color: var(--brand-hover); }
.badge-neutral{ background: var(--bg-elevated); color: var(--text-secondary); }

/* Do manh tin hieu - dam dan theo muc do */
.strength { font-weight: 600; font-size: 12px; }
.strength-VERY_STRONG { color: var(--brand); }
.strength-STRONG      { color: var(--up); }
.strength-MEDIUM      { color: var(--text-primary); }
.strength-NONE        { color: var(--text-secondary); }

/* --- Thanh diem --- */
.score-bar {
    position: relative;
    width: 64px; height: 6px;
    border-radius: var(--radius-pill);
    background: var(--bg-elevated);
    overflow: hidden;
}
.score-bar i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--brand);
    transition: width 0.4s var(--ease);
}
.score-cell { display: flex; align-items: center; gap: 8px; }

/* --- Nhay gia khi doi --- */
@keyframes flash-up   { from { background: var(--up-bg); }   to { background: transparent; } }
@keyframes flash-down { from { background: var(--down-bg); } to { background: transparent; } }
.flash-up   { animation: flash-up 0.6s var(--ease); }
.flash-down { animation: flash-down 0.6s var(--ease); }

/* --- Skeleton --- */
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--bg-surface-2);
    border-radius: var(--radius-sm);
    height: 14px;
}
.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
    animation: shimmer 1.4s infinite;
}

/* --- Trang thai rong --- */
.empty {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}
.empty svg { margin: 0 auto 12px; color: var(--text-disabled); }
.empty code {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-2);
    color: var(--text-primary);
}

/* --- Cham trang thai ket noi --- */
.conn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}
.conn i {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--text-disabled);
}
.conn[data-state="live"] i { background: var(--up); box-shadow: 0 0 0 3px var(--up-bg); }
.conn[data-state="off"]  i { background: var(--down); }

/* --- Floating social CTA (bottom-right, public pages only) ----------------
   Plan .plan/cta_community.plan: stack doc co dinh goc phai duoi, hien tren
   moi trang public, an tren /admin/* (do render() ben server quyet dinh,
   CSS nay chi lo phong truong hop partial lot vao trang admin).
   z-index 90: nam tren noi dung trang nhung DUOI header (100) / drawer
   (199-200) / modal (200) / toast (300) de khong che cac lop phu. Plan ghi
   "z-index 800 (below ...)" la mau thuan so hoc (800 > 300) nen uu tien y do
   "below" thay vi con so 800. */
.social-cta {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.social-cta-btn {
    position: relative;
    display: grid;
    place-items: center;
    width: 48px; height: 48px;
    border-radius: 50%;
    color: #fff;
    box-shadow: var(--shadow);
    transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.social-cta-fb   { background: #1877F2; }
.social-cta-yt   { background: #FF0000; }
.social-cta-zalo { background: #0068FF; }
.social-cta-zalo-text {
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.2px;
    line-height: 1;
    user-select: none;
}

.social-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow), 0 4px 14px rgba(0, 0, 0, 0.35);
}

.social-cta-btn:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
}

/* Tooltip nam ben trai nut, chi hien khi hover/focus */
.social-cta-tip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(4px);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.16s var(--ease), transform 0.16s var(--ease), visibility 0.16s;
}

.social-cta-btn:hover .social-cta-tip,
.social-cta-btn:focus-visible .social-cta-tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
    .social-cta {
        right: 16px;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }
    .social-cta-btn { width: 44px; height: 44px; }
    /* Mobile cam ung: an tooltip chu, giu aria-label cho screen reader */
    .social-cta-tip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .social-cta-btn,
    .social-cta-tip { transition: none; }
    .social-cta-btn:hover { transform: none; }
}