/* ============================================================
   LOPEN SCHEMA — roadmap stijl, scoped CSS
   ============================================================ */
.ls-tool, .ls-tool *, .ls-tool *::before, .ls-tool *::after { box-sizing: border-box; }
.ls-tool ul, .ls-tool ol { list-style: none; margin: 0; padding: 0; }
.ls-tool button { font: inherit; cursor: pointer; }

.ls-tool {
    --ls-bg: #f7f7f5;
    --ls-bg-2: #efeeea;
    --ls-surface: #ffffff;
    --ls-ink: #0e1014;
    --ls-ink-soft: #4a4f57;
    --ls-ink-mute: #8b909a;
    --ls-line: #e4e3df;
    --ls-line-strong: #cfceca;
    --ls-accent: #ff5a1f;
    --ls-accent-soft: #ffd9c8;
    --ls-accent-deep: #d83f08;
    --ls-accent2: #c4f54e;
    --ls-accent2-deep: #9bd420;
    --ls-tip-bg: #fff8eb;
    --ls-tip-border: #f0d68a;
    --ls-tip-ink: #6b4f0a;
    --ls-shadow-sm: 0 1px 2px rgba(14,16,20,.05);
    --ls-shadow-md: 0 8px 24px -10px rgba(14,16,20,.18);
    --ls-radius: 14px;
    --ls-radius-lg: 22px;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ls-ink);
    font-size: 16px; line-height: 1.5;
    background: var(--ls-bg);
    border: 1px solid var(--ls-line);
    border-radius: var(--ls-radius-lg);
    padding: 32px;
    margin: 32px 0;
    -webkit-font-smoothing: antialiased;
}
@media (max-width: 600px) {
    .ls-tool { padding: 22px 18px; margin: 24px 0; border-radius: 16px; }
}

/* Header */
.ls-tool__head { margin-bottom: 24px; }
.ls-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11.5px; letter-spacing: 0.16em;
    text-transform: uppercase; font-weight: 700;
    color: var(--ls-accent); margin-bottom: 12px;
}
.ls-eyebrow__pulse {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--ls-accent);
    animation: ls-pulse 1.8s ease-in-out infinite;
}
@keyframes ls-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.8; }
}
.ls-tool__title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800; letter-spacing: -0.025em;
    line-height: 1.15;
    margin: 0 0 12px;
    color: var(--ls-ink);
}
.ls-tool__summary {
    font-size: 16px; line-height: 1.55;
    color: var(--ls-ink-soft);
    margin: 0 0 22px;
    max-width: 640px;
}

/* Stat row */
.ls-tool__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 14px;
    padding: 18px;
    background: var(--ls-surface);
    border: 1px solid var(--ls-line);
    border-radius: var(--ls-radius);
    margin-bottom: 18px;
}
.ls-tool__stats li {
    display: flex; flex-direction: column; gap: 3px;
}
.ls-tool__stat-num {
    font-size: 22px; font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    color: var(--ls-ink);
}
.ls-tool__stat-label {
    font-size: 11.5px; letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ls-ink-mute);
    font-weight: 600;
}
.ls-tool__prereq {
    padding: 12px 16px;
    background: var(--ls-accent-soft);
    border-radius: var(--ls-radius);
    font-size: 13.5px;
    color: var(--ls-accent-deep);
    margin-bottom: 10px;
}
.ls-tool__prereq strong { font-weight: 700; }

/* Legend (compact, horizontaal) */
.ls-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 14px 16px;
    background: var(--ls-ink);
    color: white;
    border-radius: var(--ls-radius);
    margin-bottom: 18px;
}
.ls-legend__item {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13.5px;
    color: rgba(255,255,255,0.86);
}
.ls-legend__key {
    display: inline-flex;
    align-items: center; justify-content: center;
    min-width: 24px; height: 24px;
    padding: 0 6px;
    background: var(--ls-accent2);
    color: var(--ls-ink);
    border-radius: 6px;
    font-size: 13px; font-weight: 800;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

/* Action bar */
.ls-actionbar {
    display: flex; flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 28px;
    padding: 14px;
    background: var(--ls-surface);
    border: 1px solid var(--ls-line);
    border-radius: var(--ls-radius);
}
.ls-btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 14px;
    font-size: 13px; font-weight: 700;
    border-radius: 999px;
    border: 2px solid transparent;
    transition: all .15s;
    background: var(--ls-bg);
    color: var(--ls-ink);
}
.ls-btn:hover { transform: translateY(-1px); }
.ls-btn--primary { background: var(--ls-ink); color: white; }
.ls-btn--primary:hover { background: var(--ls-accent); }
.ls-btn--ghost { background: transparent; border-color: var(--ls-line-strong); }
.ls-btn--ghost:hover { background: var(--ls-ink); color: white; border-color: var(--ls-ink); }
.ls-progress {
    margin-left: auto;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--ls-ink-mute);
    font-variant-numeric: tabular-nums;
}

/* ============================================================
   ROADMAP
   ============================================================ */
.ls-roadmap {
    position: relative;
    padding-left: 64px;
}
.ls-roadmap__line {
    position: absolute;
    left: 23px;
    top: 30px;
    bottom: 30px;
    width: 3px;
    background: var(--ls-line);
    border-radius: 2px;
    z-index: 0;
}

/* Markers (start, finish) */
.ls-roadmap__marker {
    position: relative;
    padding: 14px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ls-roadmap__marker-dot {
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--ls-bg);
    border: 3px solid var(--ls-ink);
    color: var(--ls-ink);
    display: inline-flex;
    align-items: center; justify-content: center;
    z-index: 1;
}
.ls-roadmap__marker-label {
    font-size: 11.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--ls-ink-soft);
    padding: 4px 12px;
    background: var(--ls-bg-2);
    border-radius: 999px;
}
.ls-roadmap__marker--start .ls-roadmap__marker-dot {
    background: var(--ls-accent);
    border-color: var(--ls-accent);
    color: white;
}
.ls-roadmap__marker--start .ls-roadmap__marker-label {
    background: var(--ls-accent);
    color: white;
}
.ls-roadmap__marker--finish .ls-roadmap__marker-dot {
    background: var(--ls-ink);
    border-color: var(--ls-ink);
    color: var(--ls-accent2);
}
.ls-roadmap__marker--finish .ls-roadmap__marker-label {
    background: var(--ls-ink);
    color: var(--ls-accent2);
}

/* ============================================================
   WEEK
   ============================================================ */
.ls-week {
    position: relative;
    margin-bottom: 14px;
}
.ls-week__num {
    position: absolute;
    left: -50px;
    top: 14px;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--ls-surface);
    border: 2px solid var(--ls-line-strong);
    color: var(--ls-ink);
    font-size: 11.5px; font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center; justify-content: center;
    z-index: 1;
    transition: all .25s;
}
.ls-week--complete .ls-week__num {
    background: var(--ls-accent2);
    border-color: var(--ls-accent2);
    color: var(--ls-ink);
}
.ls-week__body {
    background: var(--ls-surface);
    border: 1px solid var(--ls-line);
    border-radius: var(--ls-radius);
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.ls-week:hover .ls-week__body {
    border-color: var(--ls-line-strong);
    box-shadow: var(--ls-shadow-sm);
}
.ls-week--complete .ls-week__body {
    border-color: var(--ls-accent2);
    background: rgba(196, 245, 78, 0.06);
}

.ls-week__head {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--ls-line);
    flex-wrap: wrap;
}
.ls-week__title {
    margin: 0;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--ls-ink);
}
.ls-week__note {
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 999px;
}
.ls-week__note--default {
    color: var(--ls-accent-deep);
    background: var(--ls-accent-soft);
}
.ls-week__note--soft {
    color: var(--ls-ink-soft);
    background: var(--ls-bg-2);
}

/* Sessions */
.ls-week__sessions {
    padding: 4px 0;
}
.ls-session {
    display: flex; align-items: center;
    gap: 10px;
    padding: 11px 18px;
    border-bottom: 1px solid var(--ls-line);
    transition: background .15s;
    flex-wrap: wrap;
}
.ls-session:last-child { border-bottom: none; }
.ls-session:hover { background: var(--ls-bg); }

.ls-session__check { cursor: pointer; flex-shrink: 0; display: inline-flex; }
.ls-session__check input { position: absolute; opacity: 0; pointer-events: none; }
.ls-session__box {
    display: flex; align-items: center; justify-content: center;
    width: 20px; height: 20px;
    border: 2px solid var(--ls-line-strong);
    border-radius: 5px;
    color: white;
    background: white;
    transition: all .15s;
}
.ls-session__box svg { opacity: 0; transform: scale(0.5); transition: all .2s; }
.ls-session__check input:checked + .ls-session__box {
    background: var(--ls-accent);
    border-color: var(--ls-accent);
}
.ls-session__check input:checked + .ls-session__box svg {
    opacity: 1; transform: scale(1);
}
.ls-session__check input:focus-visible + .ls-session__box {
    outline: 2px solid var(--ls-accent);
    outline-offset: 2px;
}
.ls-session__check:hover .ls-session__box { border-color: var(--ls-ink); }

.ls-session__label {
    font-size: 14px;
    font-weight: 700;
    color: var(--ls-ink);
    flex-shrink: 0;
}
.ls-session__sep {
    color: var(--ls-ink-mute);
    font-weight: 600;
    flex-shrink: 0;
}
.ls-session__desc {
    font-size: 14px;
    color: var(--ls-ink);
    flex: 1;
    min-width: 180px;
    font-variant-numeric: tabular-nums;
}
.ls-session__check input:checked ~ .ls-session__label,
.ls-session__check input:checked ~ .ls-session__desc {
    color: var(--ls-ink-mute);
    text-decoration: line-through;
}

/* Highlight session (doelloop) */
.ls-session--highlight {
    background: linear-gradient(90deg, rgba(255,90,31,0.06) 0%, transparent 80%);
}
.ls-session--highlight:hover {
    background: linear-gradient(90deg, rgba(255,90,31,0.1) 0%, rgba(255,90,31,0.02) 80%);
}
.ls-session--highlight .ls-session__label {
    color: var(--ls-accent-deep);
}
.ls-session--highlight .ls-session__desc {
    font-weight: 700;
    color: var(--ls-accent-deep);
}

/* ============================================================
   TIP block (between weeks)
   ============================================================ */
.ls-tip {
    position: relative;
    margin: 14px 0 14px;
    padding: 16px 20px 14px 20px;
    background: var(--ls-tip-bg);
    border: 1px dashed var(--ls-tip-border);
    border-radius: var(--ls-radius);
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.ls-tip__icon {
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--ls-tip-border);
    color: var(--ls-tip-ink);
    display: flex;
    align-items: center; justify-content: center;
    z-index: 1;
}
.ls-tip__body { flex: 1; min-width: 0; }
.ls-tip__label {
    display: inline-block;
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--ls-tip-ink);
    background: var(--ls-tip-border);
    padding: 2px 9px;
    border-radius: 999px;
    margin-bottom: 6px;
}
.ls-tip__text {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--ls-tip-ink);
    font-style: italic;
}

/* Mobile adjustments */
@media (max-width: 640px) {
    .ls-roadmap { padding-left: 0; }
    .ls-roadmap__line { display: none; }
    .ls-week__num,
    .ls-tip__icon,
    .ls-roadmap__marker-dot {
        position: static;
        transform: none;
        margin-bottom: 10px;
        margin-right: 0;
    }
    .ls-roadmap__marker {
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    .ls-roadmap__marker-dot { display: inline-flex; }
    .ls-week {
        margin-bottom: 18px;
    }
    .ls-tip {
        margin-top: 18px;
    }
    .ls-tip__icon { display: inline-flex; }
}

/* ============================================================
   TOAST
   ============================================================ */
.ls-toast {
    position: fixed;
    bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--ls-ink); color: white;
    padding: 12px 22px; border-radius: 999px;
    font-size: 14px; font-weight: 600;
    box-shadow: var(--ls-shadow-md);
    z-index: 9999;
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
}
.ls-toast--show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Print */
@media print {
    body * { visibility: hidden; }
    .ls-tool, .ls-tool * { visibility: visible; }
    .ls-tool {
        position: absolute; top: 0; left: 0; right: 0;
        padding: 20px; border: none; margin: 0;
        background: white;
    }
    .ls-actionbar, .ls-tool__prereq { display: none !important; }
    .ls-week { break-inside: avoid; border-color: #ccc; }
    .ls-session__box { border-color: #999 !important; }
    .ls-roadmap__line { background: #ccc; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .ls-tool *, .ls-tool *::before, .ls-tool *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}
/* Coming soon placeholder */
.ls-tool--coming { padding: 48px 32px; text-align: center; }
.ls-coming { max-width: 480px; margin: 0 auto; }
.ls-coming .ls-tool__summary { margin: 0 auto 24px; max-width: 100%; }
.ls-coming__actions {
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center;
    margin-top: 18px;
}
.ls-coming__actions a { text-decoration: none; }
@media (max-width: 600px) { .ls-tool--coming { padding: 32px 22px; } }