/* ============================================================
   URBot Platform Roadmap — Dark Theme
   ============================================================ */

:root {
    --rm-bg: #0a0a1a;
    --rm-surface: #111128;
    --rm-card: #161633;
    --rm-border: #1e1e3a;
    --rm-text: #e0e0f0;
    --rm-text-dim: #8888aa;
    --rm-accent: #00e5ff;
    --rm-green: #00e676;
    --rm-green-dim: rgba(0, 230, 118, 0.15);
    --rm-cyan-dim: rgba(0, 229, 255, 0.15);
    --rm-planned-dim: #333355;
    --rm-planned-text: #666688;
    --rm-radius: 10px;
    --rm-timeline-width: 3px;
    --rm-card-max: 440px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--rm-bg);
    color: var(--rm-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* ---- Header ---- */

.roadmap-header {
    text-align: center;
    padding: 48px 24px 32px;
    max-width: 720px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    color: var(--rm-accent);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 16px;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.7;
}

.roadmap-title {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.roadmap-subtitle {
    color: var(--rm-text-dim);
    font-size: 16px;
}

/* ---- Summary Stats ---- */

.roadmap-summary {
    max-width: 720px;
    margin: 0 auto 40px;
    padding: 0 24px;
}

.summary-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.stat-box {
    text-align: center;
    padding: 16px 24px;
    background: var(--rm-surface);
    border: 1px solid var(--rm-border);
    border-radius: var(--rm-radius);
    min-width: 130px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--rm-accent);
    display: block;
}

.stat-label {
    font-size: 12px;
    color: var(--rm-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
    display: block;
}

/* ---- Timeline ---- */

.roadmap-timeline {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: var(--rm-timeline-width);
    background: linear-gradient(
        to bottom,
        var(--rm-green),
        var(--rm-green) 50%,
        var(--rm-accent) 50%,
        var(--rm-accent) 70%,
        var(--rm-planned-dim) 70%
    );
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-phases {
    position: relative;
}

/* ---- Phase Card ---- */

.phase-card {
    position: relative;
    width: calc(50% - 40px);
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.phase-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.phase-card.left {
    margin-right: auto;
    margin-left: 0;
}

.phase-card.right {
    margin-left: auto;
    margin-right: 0;
}

/* Connector dot on timeline */
.phase-dot {
    position: absolute;
    top: 24px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--rm-bg);
    z-index: 2;
}

.phase-card.left .phase-dot {
    right: -48px;
}

.phase-card.right .phase-dot {
    left: -48px;
}

.phase-dot.completed {
    background: var(--rm-green);
    box-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
}

.phase-dot.in-progress {
    background: var(--rm-accent);
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
    animation: dotPulse 2s ease-in-out infinite;
}

.phase-dot.planned {
    background: var(--rm-planned-dim);
}

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 8px rgba(0, 229, 255, 0.3); }
    50% { box-shadow: 0 0 16px rgba(0, 229, 255, 0.7); }
}

/* Connector line from dot to card */
.phase-connector {
    position: absolute;
    top: 31px;
    height: 2px;
    width: 32px;
    z-index: 1;
}

.phase-card.left .phase-connector {
    right: -40px;
}

.phase-card.right .phase-connector {
    left: -40px;
}

.phase-connector.completed {
    background: rgba(0, 230, 118, 0.3);
}

.phase-connector.in-progress {
    background: rgba(0, 229, 255, 0.3);
}

.phase-connector.planned {
    background: rgba(51, 51, 85, 0.5);
}

/* Card body */
.phase-body {
    background: var(--rm-card);
    border: 1px solid var(--rm-border);
    border-radius: var(--rm-radius);
    padding: 24px;
    transition: border-color 0.3s;
}

.phase-body.completed {
    border-color: rgba(0, 230, 118, 0.3);
}

.phase-body.in-progress {
    border-color: rgba(0, 229, 255, 0.4);
    animation: cardGlow 3s ease-in-out infinite;
}

.phase-body.planned {
    border-color: var(--rm-planned-dim);
    opacity: 0.7;
}

@keyframes cardGlow {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 229, 255, 0); }
    50% { box-shadow: 0 0 20px rgba(0, 229, 255, 0.08); }
}

.phase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.phase-name {
    font-size: 20px;
    font-weight: 700;
}

.phase-badge {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 4px 10px;
    border-radius: 20px;
}

.phase-badge.completed {
    background: var(--rm-green-dim);
    color: var(--rm-green);
}

.phase-badge.in-progress {
    background: var(--rm-cyan-dim);
    color: var(--rm-accent);
}

.phase-badge.planned {
    background: rgba(51, 51, 85, 0.4);
    color: var(--rm-planned-text);
}

.phase-desc {
    color: var(--rm-text-dim);
    font-size: 14px;
    margin-bottom: 16px;
}

/* Feature list */
.feature-list {
    list-style: none;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    border-bottom: 1px solid rgba(30, 30, 58, 0.6);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    margin-top: 2px;
}

.feature-icon.done {
    color: var(--rm-green);
}

.feature-icon.wip {
    color: var(--rm-accent);
}

.feature-icon.todo {
    color: var(--rm-planned-text);
}

.feature-text {
    flex: 1;
}

.feature-text.todo {
    color: var(--rm-planned-text);
}

/* Progress bar (in-progress phases) */
.progress-bar-wrap {
    margin-top: 16px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--rm-text-dim);
    margin-bottom: 6px;
}

.progress-bar {
    height: 6px;
    background: var(--rm-border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--rm-accent), #00b8d4);
    border-radius: 3px;
    transition: width 0.8s ease;
}

/* ---- Voting Section ---- */

.roadmap-voting {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 60px;
    padding: 40px 24px;
    background: var(--rm-surface);
    border: 1px solid var(--rm-border);
    border-radius: var(--rm-radius);
}

.voting-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.voting-desc {
    color: var(--rm-text-dim);
    font-size: 14px;
}

/* ---- Footer ---- */

.roadmap-footer {
    text-align: center;
    padding: 32px 24px;
    border-top: 1px solid var(--rm-border);
    max-width: 720px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--rm-text-dim);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--rm-accent);
}

.footer-copy {
    color: var(--rm-planned-text);
    font-size: 12px;
}

/* ---- Mobile: single column ---- */

@media (max-width: 768px) {
    .roadmap-title {
        font-size: 28px;
    }

    .timeline-line {
        left: 20px;
    }

    .phase-card,
    .phase-card.left,
    .phase-card.right {
        width: calc(100% - 52px);
        margin-left: 52px;
        margin-right: 0;
    }

    .phase-card.left .phase-dot,
    .phase-card.right .phase-dot {
        left: -40px;
        right: auto;
    }

    .phase-card.left .phase-connector,
    .phase-card.right .phase-connector {
        left: -32px;
        right: auto;
    }

    .stat-box {
        min-width: 100px;
        padding: 12px 16px;
    }

    .stat-value {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .roadmap-header {
        padding: 32px 16px 24px;
    }

    .summary-stats {
        gap: 12px;
    }

    .stat-box {
        min-width: 80px;
        padding: 10px 12px;
    }

    .phase-body {
        padding: 16px;
    }

    .phase-name {
        font-size: 17px;
    }

    .footer-links {
        gap: 16px;
    }
}