/* ==========================================================================
   Bid Board - Live Agent Auction Landing Page
   Aesthetic: Dark auction terminal with real-time energy
   Fonts: Outfit (display) + JetBrains Mono (data/code)
   ========================================================================== */

/* --- Custom Properties --- */
.bb-page {
    --bb-bg: #07070e;
    --bb-surface: #0d0d1a;
    --bb-card: #111125;
    --bb-border: #1c1c3a;
    --bb-border-bright: #2a2a52;
    --bb-accent: #f7931a;
    --bb-accent-dim: rgba(247, 147, 26, 0.12);
    --bb-accent-glow: rgba(247, 147, 26, 0.25);
    --bb-green: #22c55e;
    --bb-red: #ef4444;
    --bb-yellow: #eab308;
    --bb-text: #e8e8f0;
    --bb-text-dim: #8888a8;
    --bb-text-muted: #55556e;
    --bb-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --bb-display: 'Outfit', 'Space Grotesk', sans-serif;
}

/* --- Page Container --- */
.bb-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem 4rem;
    font-family: var(--bb-display);
}

/* --- Hero --- */
.bb-hero {
    position: relative;
    text-align: center;
    padding: 4rem 1rem 3rem;
    overflow: hidden;
}

.bb-hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--bb-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--bb-border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    opacity: 0.35;
    animation: bb-grid-drift 20s linear infinite;
}

@keyframes bb-grid-drift {
    from { background-position: 0 0, 0 0; }
    to { background-position: 60px 60px, 60px 60px; }
}

.bb-hero-inner {
    position: relative;
    z-index: 1;
}

.bb-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--bb-accent);
    background: var(--bb-accent-dim);
    border: 1px solid rgba(247, 147, 26, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.bb-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--bb-accent);
    border-radius: 50%;
    animation: bb-badge-pulse 2s ease-in-out infinite;
}

@keyframes bb-badge-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--bb-accent-glow); }
    50% { opacity: 0.6; box-shadow: 0 0 8px 3px var(--bb-accent-glow); }
}

.bb-hero-title {
    font-family: var(--bb-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--bb-text);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.bb-highlight {
    color: var(--bb-accent);
    text-shadow: 0 0 40px var(--bb-accent-glow);
}

.bb-hero-sub {
    font-size: 1.05rem;
    color: var(--bb-text-dim);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 2.5rem;
}

/* Hero Stats */
.bb-hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 2rem;
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-radius: 12px;
    padding: 1.25rem 2rem;
}

.bb-stat {
    text-align: center;
}

.bb-stat-value {
    display: block;
    font-family: var(--bb-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--bb-text);
    line-height: 1.2;
    transition: color 0.3s;
}

.bb-stat-value.bb-val-changed {
    color: var(--bb-accent);
}

.bb-stat-unit {
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bb-accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.bb-stat-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--bb-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 0.15rem;
}

.bb-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--bb-border);
}

/* --- Sections --- */
.bb-section {
    margin-bottom: 4rem;
}

.bb-section-title {
    font-family: var(--bb-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--bb-text);
    margin: 0 0 2rem;
    text-align: center;
    letter-spacing: -0.01em;
}

/* --- Live Board (Terminal Chrome) --- */
.bb-board {
    max-width: 100%;
}

.bb-board-chrome {
    background: var(--bb-surface);
    border: 1px solid var(--bb-border-bright);
    border-radius: 12px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(247, 147, 26, 0.05),
        0 4px 24px rgba(0, 0, 0, 0.4),
        0 0 80px -20px var(--bb-accent-glow);
}

.bb-board-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bb-card);
    border-bottom: 1px solid var(--bb-border);
}

.bb-board-dots {
    display: flex;
    gap: 6px;
}

.bb-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.bb-dot--red { background: var(--bb-red); }
.bb-dot--yellow { background: var(--bb-yellow); }
.bb-dot--green { background: var(--bb-green); }

.bb-board-title {
    font-family: var(--bb-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bb-text-muted);
    flex: 1;
}

.bb-board-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bb-green);
}

.bb-pulse {
    width: 6px;
    height: 6px;
    background: var(--bb-green);
    border-radius: 50%;
    animation: bb-pulse-live 2s ease-in-out infinite;
}

@keyframes bb-pulse-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.bb-board-body {
    padding: 1rem;
    min-height: 180px;
}

/* Empty State */
.bb-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--bb-text-dim);
}

.bb-empty svg {
    color: var(--bb-text-muted);
    margin-bottom: 1rem;
}

.bb-empty p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bb-text);
    margin: 0 0 0.4rem;
}

.bb-empty span {
    font-size: 0.85rem;
    color: var(--bb-text-muted);
}

/* Messages */
.bb-messages {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bb-msg {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--bb-card);
    border: 1px solid var(--bb-border);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    animation: bb-msg-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.bb-msg:nth-child(1) { animation-delay: 0.05s; }
.bb-msg:nth-child(2) { animation-delay: 0.1s; }
.bb-msg:nth-child(3) { animation-delay: 0.15s; }
.bb-msg:nth-child(4) { animation-delay: 0.2s; }
.bb-msg:nth-child(5) { animation-delay: 0.25s; }

@keyframes bb-msg-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bb-msg--top {
    border-color: var(--bb-accent);
    background: linear-gradient(135deg, var(--bb-card), rgba(247, 147, 26, 0.04));
    box-shadow: 0 0 20px var(--bb-accent-dim), inset 0 0 20px rgba(247, 147, 26, 0.02);
    animation: bb-top-glow 3s ease-in-out infinite alternate;
}

@keyframes bb-top-glow {
    from { box-shadow: 0 0 16px var(--bb-accent-dim), inset 0 0 16px rgba(247, 147, 26, 0.02); }
    to { box-shadow: 0 0 28px var(--bb-accent-glow), inset 0 0 24px rgba(247, 147, 26, 0.04); }
}

/* Rank Badge */
.bb-msg-rank {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 36px;
    flex-shrink: 0;
    padding-top: 2px;
}

.bb-msg-rank span {
    font-family: var(--bb-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bb-text-muted);
}

.bb-msg-rank--top span {
    color: var(--bb-accent);
    font-size: 0.8rem;
}

.bb-crown {
    color: var(--bb-accent);
}

/* Message Body */
.bb-msg-body {
    flex: 1;
    min-width: 0;
}

.bb-msg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.3rem;
}

.bb-msg-handle {
    font-family: var(--bb-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bb-text);
}

.bb-msg-bid {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--bb-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--bb-accent);
    white-space: nowrap;
}

.bb-msg-bid svg {
    color: var(--bb-accent);
}

.bb-msg-bid-val {
    transition: all 0.4s;
}

.bb-msg-bid-val.bb-val-tick {
    transform: scale(1.15);
    text-shadow: 0 0 8px var(--bb-accent-glow);
}

.bb-msg-text {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--bb-text-dim);
    word-break: break-word;
}

.bb-msg-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.4rem;
}

.bb-msg-timer {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bb-text-muted);
}

.bb-msg-timer svg {
    color: var(--bb-text-muted);
}

.bb-msg-timer.bb-timer-warn {
    color: var(--bb-red);
}

.bb-msg-timer.bb-timer-warn svg {
    color: var(--bb-red);
}

.bb-msg-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bb-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.bb-msg-link:hover {
    opacity: 0.8;
}

/* --- How It Works (Flow) --- */
.bb-flow {
    max-width: 640px;
    margin: 0 auto;
}

.bb-flow-step {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-radius: 10px;
    transition: border-color 0.3s;
}

.bb-flow-step:hover {
    border-color: var(--bb-border-bright);
}

.bb-flow-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bb-accent);
    color: rgba(255, 255, 255, 0.92);
    border-radius: 50%;
    font-family: var(--bb-mono);
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.bb-flow-content {
    flex: 1;
}

.bb-flow-content h3 {
    margin: 0 0 0.3rem;
    font-family: var(--bb-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--bb-text);
}

.bb-flow-content p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--bb-text-dim);
}

.bb-flow-content code {
    font-family: var(--bb-mono);
    font-size: 0.82rem;
    background: var(--bb-card);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--bb-accent);
}

.bb-flow-cost {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--bb-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bb-accent);
    white-space: nowrap;
    padding-top: 0.1rem;
}

.bb-flow-connector {
    width: 2px;
    height: 24px;
    background: linear-gradient(to bottom, var(--bb-border-bright), var(--bb-border));
    margin: 0 auto;
    border-radius: 1px;
}

/* --- Rules Grid --- */
.bb-rules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.bb-rule-card {
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-radius: 10px;
    padding: 1.5rem;
    transition: border-color 0.3s;
}

.bb-rule-card:hover {
    border-color: var(--bb-border-bright);
}

.bb-rule-icon {
    color: var(--bb-accent);
    margin-bottom: 0.75rem;
}

.bb-rule-card h3 {
    margin: 0 0 0.35rem;
    font-family: var(--bb-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bb-text);
}

.bb-rule-value {
    margin: 0 0 0.3rem;
    font-family: var(--bb-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bb-accent);
}

.bb-rule-desc {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--bb-text-muted);
}

/* --- Quick Start --- */
.bb-quickstart {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.bb-code-block {
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-radius: 10px;
    overflow: hidden;
}

.bb-code-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: var(--bb-card);
    border-bottom: 1px solid var(--bb-border);
}

.bb-code-lang {
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--bb-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bb-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: 1px solid var(--bb-border);
    border-radius: 6px;
    padding: 0.3rem 0.65rem;
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bb-text-dim);
    cursor: pointer;
    transition: all 0.2s;
}

.bb-copy-btn:hover {
    border-color: var(--bb-accent);
    color: var(--bb-accent);
}

.bb-copy-btn.copied {
    border-color: var(--bb-green);
    color: var(--bb-green);
}

.bb-code-block pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
}

.bb-code-block code {
    font-family: var(--bb-mono);
    font-size: 0.82rem;
    line-height: 1.65;
    color: var(--bb-text-dim);
}

/* Syntax highlighting */
.code-comment { color: var(--bb-text-muted); font-style: italic; }
.code-keyword { color: #c084fc; }
.code-fn { color: #60a5fa; }
.code-string { color: var(--bb-green); }
.code-key { color: var(--bb-text); }
.code-num { color: var(--bb-accent); }

/* Notes */
.bb-quickstart-notes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bb-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--bb-surface);
    border: 1px solid var(--bb-border);
    border-left: 3px solid var(--bb-accent);
    border-radius: 0 8px 8px 0;
    padding: 1rem;
}

.bb-note-icon {
    color: var(--bb-accent);
    flex-shrink: 0;
    margin-top: 1px;
}

.bb-note strong {
    display: block;
    font-size: 0.88rem;
    color: var(--bb-text);
    margin-bottom: 0.2rem;
}

.bb-note p {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--bb-text-dim);
}

.bb-note code {
    font-family: var(--bb-mono);
    font-size: 0.78rem;
    background: var(--bb-card);
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    color: var(--bb-accent);
}

/* --- CTA --- */
.bb-cta-section {
    margin-bottom: 2rem;
}

.bb-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--bb-surface) 0%, rgba(247, 147, 26, 0.04) 100%);
    border: 1px solid var(--bb-accent);
    border-radius: 14px;
    padding: 3rem 2rem;
    box-shadow: 0 0 40px var(--bb-accent-dim);
}

.bb-cta h2 {
    font-family: var(--bb-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--bb-text);
    margin: 0 0 0.6rem;
}

.bb-cta p {
    font-size: 0.95rem;
    color: var(--bb-text-dim);
    margin: 0 0 1.75rem;
}

.bb-cta code {
    font-family: var(--bb-mono);
    font-size: 0.85rem;
    background: var(--bb-card);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    color: var(--bb-accent);
}

.bb-cta-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.bb-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-family: var(--bb-display);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s;
    cursor: pointer;
}

.bb-btn--primary {
    background: var(--bb-accent);
    color: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 12px var(--bb-accent-dim);
}

.bb-btn--primary:hover {
    background: #ffaa33;
    box-shadow: 0 4px 20px var(--bb-accent-glow);
    transform: translateY(-1px);
}

.bb-btn--secondary {
    background: transparent;
    border: 1px solid var(--bb-border-bright);
    color: var(--bb-text);
}

.bb-btn--secondary:hover {
    border-color: var(--bb-accent);
    color: var(--bb-accent);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .bb-hero {
        padding: 2.5rem 1rem 2rem;
    }

    .bb-hero-title {
        font-size: 2.4rem;
    }

    .bb-hero-sub {
        font-size: 0.95rem;
    }

    .bb-hero-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1.25rem 1.5rem;
        width: 100%;
        max-width: 280px;
    }

    .bb-stat-divider {
        width: 60%;
        height: 1px;
    }

    .bb-stat-value {
        font-size: 1.5rem;
    }

    .bb-section {
        margin-bottom: 3rem;
    }

    .bb-section-title {
        font-size: 1.4rem;
    }

    .bb-board-body {
        padding: 0.75rem;
    }

    .bb-msg {
        padding: 0.7rem;
    }

    .bb-msg-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .bb-rules-grid {
        grid-template-columns: 1fr;
    }

    .bb-flow-step {
        flex-wrap: wrap;
    }

    .bb-flow-cost {
        margin-left: calc(36px + 1.25rem);
    }

    .bb-code-block pre {
        padding: 1rem;
    }

    .bb-code-block code {
        font-size: 0.72rem;
    }

    .bb-cta {
        padding: 2rem 1.25rem;
    }

    .bb-cta h2 {
        font-size: 1.3rem;
    }

    .bb-cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .bb-btn {
        justify-content: center;
    }
}

@media (max-width: 420px) {
    .bb-hero-title {
        font-size: 2rem;
    }

    .bb-msg-rank {
        display: none;
    }

    .bb-flow-num {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }

    .bb-flow-cost {
        margin-left: calc(30px + 1.25rem);
    }
}

/* --- Scroll-triggered reveal --- */
.bb-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.bb-reveal.bb-visible {
    opacity: 1;
    transform: translateY(0);
}