/**
 * ViralSpark Front-End Stylesheet
 * Modern glassmorphic cards, responsive share buttons, emoji reaction bar, and live pulse toast.
 */

:root {
    --vs-accent: #6366f1;
    --vs-surface: #ffffff;
    --vs-border: #e2e8f0;
    --vs-text: #0f172a;
    --vs-muted: #64748b;
    --vs-radius: 16px;
}

/* Share-to-Unlock Card */
.vs-unlock-card {
    margin: 2rem 0;
    padding: 2rem;
    border-radius: var(--vs-radius);
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 2px dashed var(--vs-accent);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.14);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vs-unlock-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.vs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #ffffff;
    background: var(--vs-accent);
    border-radius: 999px;
}

.vs-unlock-stat {
    font-size: 0.85rem;
    color: var(--vs-muted);
}

.vs-unlock-title {
    margin: 0 0 0.5rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--vs-text);
}

.vs-unlock-subtitle {
    margin: 0 0 1.5rem;
    font-size: 0.98rem;
    color: var(--vs-muted);
    line-height: 1.6;
}

.vs-share-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.vs-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.vs-share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.94;
}

.vs-btn-twitter { background: #0f172a; }
.vs-btn-linkedin { background: #0a66c2; }
.vs-btn-whatsapp { background: #16a34a; }
.vs-btn-copy { background: var(--vs-accent); }

.vs-unlock-success-banner {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    background: #dcfce7;
    color: #166534;
    font-weight: 600;
    font-size: 0.92rem;
}

.vs-unlock-content-target {
    padding: 1rem;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid var(--vs-border);
}

/* Click-to-Share Pull Quote */
.vs-quote-box {
    position: relative;
    margin: 2rem 0;
    padding: 1.75rem 2rem;
    background: #f8fafc;
    border-left: 5px solid var(--vs-accent);
    border-radius: 0 var(--vs-radius) var(--vs-radius) 0;
}

.vs-quote-text {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 500;
    color: var(--vs-text);
    line-height: 1.6;
}

.vs-quote-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.vs-quote-author {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--vs-muted);
    font-style: normal;
}

.vs-quote-share-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.95rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vs-accent);
    background: #ffffff;
    border: 1px solid var(--vs-accent);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vs-quote-share-trigger:hover {
    color: #ffffff;
    background: var(--vs-accent);
}

/* Emoji Reaction Bar */
.vs-reactions-wrapper {
    margin: 2.5rem 0;
    padding: 1.5rem;
    background: var(--vs-surface);
    border: 1px solid var(--vs-border);
    border-radius: var(--vs-radius);
    text-align: center;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.vs-reactions-header {
    margin-bottom: 1.25rem;
}

.vs-reactions-prompt {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--vs-text);
}

.vs-reactions-sub {
    font-size: 0.85rem;
    color: var(--vs-muted);
}

.vs-reactions-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
}

.vs-reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    background: #f8fafc;
    border: 1px solid var(--vs-border);
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.vs-reaction-btn:hover,
.vs-reaction-btn.is-active {
    transform: scale(1.06);
    border-color: var(--vs-accent);
    background: #eef2ff;
}

.vs-reaction-emoji {
    font-size: 1.25rem;
}

.vs-reaction-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--vs-text);
}

.vs-reaction-count {
    padding: 0.15rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--vs-accent);
    background: #ffffff;
    border-radius: 999px;
}

/* Floating Live Social Proof Pulse */
.vs-live-pulse {
    position: fixed;
    bottom: 1.5rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    max-width: 340px;
    padding: 0.9rem 1.15rem;
    background: rgba(15, 23, 42, 0.94);
    color: #ffffff;
    border-radius: 14px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.25);
    backdrop-filter: blur(8px);
    animation: vsSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vs-pulse-bottom-left { left: 1.5rem; }
.vs-pulse-bottom-right { right: 1.5rem; }

.vs-pulse-dot {
    display: block;
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.25);
}

.vs-pulse-text {
    margin: 0;
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.35;
    color: #f8fafc;
}

.vs-pulse-meta {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.72rem;
    color: #94a3b8;
}

.vs-pulse-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 0.25rem;
}

@keyframes vsSlideUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}