/* ============================================
   LJ Share Buttons — Frontend Styles
   Version: 1.0.0
   ============================================ */

/* Container */
.ljsb-wrap {
    --ljsb-icon-size: 44px;
    --ljsb-icon-color: currentColor;
    --ljsb-unified: #2563EB;
    --ljsb-radius: 50%;
    --ljsb-gap: 14px;
    --ljsb-tooltip-bg: #1a1a2e;
    --ljsb-url-bg: #f3f4f6;
    --ljsb-url-border: #e5e7eb;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 32px 20px;
    margin: 36px 0;
    font-family: inherit;
}

/* Title */
.ljsb-title {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    letter-spacing: -0.01em;
    text-align: center;
}

/* Icons row */
.ljsb-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--ljsb-gap);
    align-items: center;
}

/* Single icon button */
.ljsb-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--ljsb-icon-size);
    height: var(--ljsb-icon-size);
    border-radius: var(--ljsb-radius);
    text-decoration: none;
    color: var(--ljsb-icon-color);
    background: transparent;
    transition: transform 0.22s cubic-bezier(.34,1.56,.64,1), opacity 0.15s ease;
    flex-shrink: 0;
}

.ljsb-btn svg {
    width: calc(var(--ljsb-icon-size) * 0.58);
    height: calc(var(--ljsb-icon-size) * 0.58);
    display: block;
    flex-shrink: 0;
    transition: transform 0.22s ease;
}

/* Official color mode */
.ljsb-color-official .ljsb-btn {
    color: var(--ljsb-icon-color);
}

/* Unified color mode */
.ljsb-color-unified .ljsb-btn {
    color: var(--ljsb-unified);
}

/* Hover lift animation */
.ljsb-btn:hover {
    transform: translateY(-6px);
    opacity: 1;
}

/* Tooltip — base */
.ljsb-tooltip {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--ljsb-tooltip-bg);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    line-height: 1;
    padding: 5px 9px;
    border-radius: 5px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 10;
    letter-spacing: 0.02em;
}

/* Arrow shared */
.ljsb-tooltip::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
}

/* ── Tooltip BOTTOM (default) ── */
.ljsb-tooltip-bottom .ljsb-tooltip {
    top: auto;
    bottom: calc(-1 * var(--ljsb-icon-size) * 0.72);
    transform: translateX(-50%) translateY(4px);
}
.ljsb-tooltip-bottom .ljsb-tooltip::before {
    bottom: 100%;
    top: auto;
    border-bottom-color: var(--ljsb-tooltip-bg);
    border-top-color: transparent;
}
.ljsb-tooltip-bottom .ljsb-btn:hover .ljsb-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Tooltip TOP ── */
.ljsb-tooltip-top .ljsb-tooltip {
    bottom: auto;
    top: calc(-1 * var(--ljsb-icon-size) * 0.72);
    transform: translateX(-50%) translateY(-4px);
}
.ljsb-tooltip-top .ljsb-tooltip::before {
    top: 100%;
    bottom: auto;
    border-top-color: var(--ljsb-tooltip-bg);
    border-bottom-color: transparent;
}
.ljsb-tooltip-top .ljsb-btn:hover .ljsb-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* URL Bar */
.ljsb-url-bar {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
    max-width: 520px;
    background: var(--ljsb-url-bg);
    border: 1.5px solid var(--ljsb-url-border);
    border-radius: 10px;
    padding: 10px 12px 10px 16px;
    box-sizing: border-box;
    overflow: hidden;
}

.ljsb-url-text {
    flex: 1;
    font-size: 13px;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
    letter-spacing: 0.01em;
    line-height: 1;
}

.ljsb-copy-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: transparent;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    color: #9ca3af;
    padding: 0;
    transition: color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.ljsb-copy-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    transform: scale(1.1);
}

.ljsb-copy-btn.copied {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
}

.ljsb-copy-btn svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* Animation for check icon after copy */
@keyframes ljsb-pop {
    0%   { transform: scale(0.7); opacity: 0; }
    60%  { transform: scale(1.15); }
    100% { transform: scale(1);   opacity: 1; }
}
.ljsb-check-icon {
    animation: ljsb-pop 0.25s ease forwards;
}

/* Responsive */
@media (max-width: 480px) {
    .ljsb-wrap {
        padding: 24px 12px;
    }
    .ljsb-icons {
        gap: 10px;
    }
    .ljsb-url-bar {
        max-width: 100%;
    }
}