/* ============================================================
   VendeeX ACP Protocol Handshake Panel
   Feature 1: Visible protocol activity feed
   ============================================================ */

/* Panel Container */
.acp-handshake-panel {
    display: none;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    transition: all 0.3s ease;
}

.acp-handshake-panel--visible {
    display: block;
}

/* Header */
.acp-handshake__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #161b22;
    border-bottom: 1px solid #30363d;
    cursor: pointer;
    user-select: none;
}

.acp-handshake__header:hover {
    background: #1c2129;
}

.acp-handshake__header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.acp-handshake__icon {
    font-size: 16px;
}

.acp-handshake__title {
    font-weight: 600;
    color: #c9d1d9;
    font-size: 13px;
    letter-spacing: 0.02em;
}

.acp-handshake__status {
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.acp-handshake__status--idle {
    background: #21262d;
    color: #8b949e;
}

.acp-handshake__status--active {
    background: #0d419d;
    color: #58a6ff;
    animation: statusPulse 1.5s ease-in-out infinite;
}

.acp-handshake__status--complete {
    background: #0f5132;
    color: #3fb950;
}

.acp-handshake__status--searching {
    background: #1e3a5f;
    color: #60a5fa;
    animation: statusPulse 1.5s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.acp-handshake__toggle {
    background: none;
    border: none;
    color: #8b949e;
    cursor: pointer;
    padding: 4px;
    transition: transform 0.2s ease;
}

.acp-handshake-panel--collapsed .acp-handshake__toggle {
    transform: rotate(-90deg);
}

/* Body */
.acp-handshake__body {
    max-height: 320px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.acp-handshake-panel--collapsed .acp-handshake__body {
    max-height: 0;
}

/* Feed */
.acp-handshake__feed {
    padding: 12px 16px;
    max-height: 300px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.acp-handshake__feed::-webkit-scrollbar {
    width: 6px;
}

.acp-handshake__feed::-webkit-scrollbar-track {
    background: #0d1117;
}

.acp-handshake__feed::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 3px;
}

.acp-handshake__empty {
    color: #484f58;
    font-style: italic;
    padding: 20px 0;
    text-align: center;
}

/* Entry */
.acp-handshake__entry {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 4px 0;
    line-height: 1.5;
    animation: entryFadeIn 0.3s ease;
}

@keyframes entryFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.acp-entry__icon {
    flex-shrink: 0;
    width: 18px;
    text-align: center;
    font-size: 12px;
}

.acp-handshake__entry--info .acp-entry__icon {
    color: #58a6ff;
}

.acp-handshake__entry--success .acp-entry__icon {
    color: #3fb950;
}

.acp-handshake__entry--error .acp-entry__icon {
    color: #f85149;
}

.acp-handshake__entry--warning .acp-entry__icon {
    color: #d29922;
}

.acp-entry__merchant {
    color: #d2a8ff;
    font-weight: 600;
    white-space: nowrap;
    margin-right: 4px;
}

.acp-entry__merchant::after {
    content: ':';
}

.acp-entry__text {
    color: #c9d1d9;
    flex: 1;
}

.acp-handshake__entry--success .acp-entry__text {
    color: #3fb950;
}

.acp-handshake__entry--error .acp-entry__text {
    color: #f85149;
}

.acp-entry__time {
    color: #484f58;
    font-size: 11px;
    white-space: nowrap;
    margin-left: auto;
    padding-left: 12px;
}

/* ACP Verified Badge (for product cards) */
.acp-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: linear-gradient(135deg, #0f5132, #0d419d);
    color: #3fb950;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.acp-verified-badge__icon {
    font-size: 10px;
}

/* ============================================================
   Demo Layout — Sidebar + Main
   ============================================================ */
.demo-layout {
    display: block;
}

.demo-layout__sidebar {
    display: none;
}

.demo-layout__main {
    min-width: 0;
}

/* When sidebar is active, switch to flex layout */
.demo-layout--sidebar-active {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.demo-layout--sidebar-active .demo-layout__sidebar {
    display: block;
    width: 340px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow: hidden;
}

.demo-layout--sidebar-active .demo-layout__main {
    flex: 1;
    min-width: 0;
}

/* When panel is in sidebar, remove bottom margin and make it fill */
.demo-layout__sidebar .acp-handshake-panel {
    margin-bottom: 0;
    border-radius: 12px;
}

.demo-layout__sidebar .acp-handshake__body {
    max-height: calc(100vh - 160px);
}

.demo-layout__sidebar .acp-handshake__feed {
    max-height: calc(100vh - 180px);
}

/* Widen the demo-container when sidebar layout is active */
.demo-container:has(.demo-layout--sidebar-active) {
    max-width: 1280px;
    transition: max-width 0.3s ease;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    /* Stack sidebar above main on medium screens */
    .demo-layout--sidebar-active {
        flex-direction: column;
    }

    .demo-layout--sidebar-active .demo-layout__sidebar {
        width: 100%;
        position: static;
        max-height: none;
    }

    .demo-layout__sidebar .acp-handshake__body {
        max-height: 320px;
    }

    .demo-layout__sidebar .acp-handshake__feed {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .acp-handshake-panel {
        border-radius: 8px;
    }

    .acp-handshake__feed {
        max-height: 200px;
        font-size: 12px;
    }

    .acp-entry__time {
        display: none;
    }
}