/* ═══════════════════════════════════════════════════════════════════════
   ASSESSMENTS — Shared "Discovery Lab" stylesheet
   Used by index, section, show, my-attempts, badges, report, take pages.
   All rules use Nahdha design tokens (var(--nh-*)).
   ═══════════════════════════════════════════════════════════════════════ */

/* ── PAGE GROUND ────────────────────────────────────────────────────── */
.nh-as-page {
    background: var(--nh-hero-bg);
    color: var(--nh-fg);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── BREADCRUMB ─────────────────────────────────────────────────────── */
.nh-as-breadcrumb {
    padding: 1.25rem 0 0.5rem;
    border-bottom: 1px solid var(--nh-stroke);
}
.nh-as-crumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    flex-wrap: wrap;
}
.nh-as-crumb-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--nh-fg-3);
    text-decoration: none;
    transition: color 0.2s ease;
}
.nh-as-crumb-link:hover { color: var(--nh-secondary); }
.nh-as-crumb-sep { display: inline-flex; color: var(--nh-fg-3); opacity: 0.5; }
.nh-as-crumb-current { color: var(--nh-fg); font-weight: 600; }

/* ── EYEBROW (reusable) ─────────────────────────────────────────────── */
.nh-as-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--nh-secondary) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--nh-secondary) 30%, transparent);
    color: var(--nh-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 1.25rem;
}
.nh-as-eyebrow-icon {
    display: inline-flex;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--nh-secondary);
    color: #fff;
    align-items: center; justify-content: center;
}

/* ── PAGE HEADER (compact, shared across non-index pages) ───────────── */
.nh-as-pagehead {
    position: relative;
    padding-block: clamp(2.5rem, 6vh, 4.5rem) clamp(2rem, 4vh, 3.5rem);
    overflow: hidden;
}
.nh-as-pagehead-glow {
    position: absolute;
    top: -25%; inset-inline-start: 50%;
    transform: translateX(-50%);
    width: 75%; height: 75%;
    background: radial-gradient(ellipse 55% 55% at 50% 30%,
        color-mix(in srgb, var(--nh-secondary) 12%, transparent) 0%, transparent 70%);
    filter: blur(20px);
    pointer-events: none;
}
.nh-as-pagehead-inner { position: relative; z-index: 2; }
.nh-as-pagehead-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: end;
}
@media (min-width: 1024px) {
    .nh-as-pagehead-row { grid-template-columns: 1.4fr auto; gap: 3rem; }
}
.nh-as-pagehead-title {
    font-size: clamp(1.85rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--nh-fg);
    margin: 0 0 0.75rem;
}
.nh-as-pagehead-lede {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--nh-fg-2);
    max-width: 56ch;
    margin: 0;
}

/* ── SECTION HEADING (in-body) ──────────────────────────────────────── */
.nh-as-section-heading {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--nh-fg);
    margin: 0;
}
.nh-as-section-lede {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--nh-fg-2);
    margin: 0;
    max-width: 50ch;
}

/* ── BUTTONS ────────────────────────────────────────────────────────── */
.nh-as-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.7rem 1.35rem;
    border-radius: 10px;
    background: var(--nh-secondary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid color-mix(in srgb, var(--nh-secondary) 80%, black);
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--nh-secondary) 28%, transparent);
}
.nh-as-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--nh-secondary) 38%, transparent);
}
.nh-as-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 1.1rem;
    border-radius: 9999px;
    background: var(--nh-glass);
    border: 1px solid var(--nh-stroke-2);
    color: var(--nh-fg);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.nh-as-btn-secondary:hover {
    border-color: var(--nh-secondary);
    color: var(--nh-secondary);
}
.nh-as-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.55rem 0.85rem;
    border-radius: 10px;
    background: transparent;
    border: 1px solid var(--nh-stroke-2);
    color: var(--nh-fg);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}
.nh-as-btn-ghost:hover {
    border-color: var(--nh-fg-3);
    background: var(--nh-glass-2);
}

/* ── CARD (generic) ─────────────────────────────────────────────────── */
.nh-as-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid var(--nh-stroke);
    background: var(--nh-glass);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), border-color 0.3s, box-shadow 0.3s;
}
html:not(.dark) .nh-as-card {
    background: var(--nh-surface);
    box-shadow: var(--nh-shadow-surface);
}
.nh-as-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--card-color, var(--nh-secondary)) 45%, transparent);
    box-shadow: 0 18px 44px rgba(0,0,0,0.12),
                0 4px 14px color-mix(in srgb, var(--card-color, var(--nh-secondary)) 14%, transparent);
}

/* ── SECTION PILLS (sticky) ─────────────────────────────────────────── */
.nh-as-secnav {
    position: sticky;
    top: 0;
    z-index: 30;
    padding-block: 0.85rem;
    background: color-mix(in srgb, var(--nh-hero-bg) 92%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-block: 1px solid var(--nh-stroke);
}
.nh-as-secnav-scroll {
    display: flex; gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.nh-as-secnav-scroll::-webkit-scrollbar { display: none; }
.nh-as-sec-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem 0.55rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid var(--nh-stroke);
    background: var(--nh-glass);
    color: var(--nh-fg-2);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.nh-as-sec-pill:hover {
    border-color: color-mix(in srgb, var(--sec-color, var(--nh-secondary)) 40%, transparent);
    color: var(--nh-fg);
}
.nh-as-sec-pill.is-active {
    background: var(--sec-color, var(--nh-secondary));
    border-color: var(--sec-color, var(--nh-secondary));
    color: #fff;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--sec-color, var(--nh-secondary)) 28%, transparent);
}
.nh-as-sec-icon {
    width: 24px; height: 24px;
    border-radius: 7px;
    display: inline-flex; align-items: center; justify-content: center;
    background: color-mix(in srgb, var(--sec-color, var(--nh-secondary)) 14%, transparent);
    color: var(--sec-color, var(--nh-secondary));
}
.nh-as-sec-pill.is-active .nh-as-sec-icon,
.nh-as-sec-pill.is-active .nh-as-sec-icon i {
    background: rgba(255,255,255,0.18);
    color: #fff;
}
.nh-as-sec-count {
    padding: 0.1rem 0.45rem;
    border-radius: 9999px;
    background: var(--nh-glass-2);
    color: var(--nh-fg-3);
    font-size: 0.65rem;
    font-weight: 700;
}
.nh-as-sec-pill.is-active .nh-as-sec-count {
    background: rgba(255,255,255,0.22);
    color: #fff;
}

/* ── EMPTY STATE ────────────────────────────────────────────────────── */
.nh-as-empty {
    text-align: center;
    padding: 5rem 1rem;
    max-width: 36rem;
    margin: 0 auto;
}
.nh-as-empty-icon {
    width: 80px; height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--nh-glass);
    border: 1px solid var(--nh-stroke);
    display: flex; align-items: center; justify-content: center;
    color: var(--nh-fg-3);
}
.nh-as-empty-title { font-size: 1.5rem; font-weight: 800; color: var(--nh-fg); margin: 0 0 0.75rem; }
.nh-as-empty-desc { color: var(--nh-fg-2); line-height: 1.7; margin: 0 0 1.75rem; }
.nh-as-empty-cta {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    background: var(--nh-secondary); color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s;
}
.nh-as-empty-cta:hover { transform: translateY(-1px); }

/* ── STATUS BADGES ──────────────────────────────────────────────────── */
.nh-as-status {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.25rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.7rem; font-weight: 700;
    border: 1px solid transparent;
}
.nh-as-status-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: currentColor;
}
.nh-as-status--success { background: color-mix(in srgb, #10b981 14%, transparent); color: #10b981; border-color: color-mix(in srgb, #10b981 30%, transparent); }
.nh-as-status--warning { background: color-mix(in srgb, #f59e0b 14%, transparent); color: #f59e0b; border-color: color-mix(in srgb, #f59e0b 30%, transparent); }
.nh-as-status--danger  { background: color-mix(in srgb, #ef4444 14%, transparent); color: #ef4444; border-color: color-mix(in srgb, #ef4444 30%, transparent); }
.nh-as-status--info    { background: color-mix(in srgb, var(--nh-secondary) 14%, transparent); color: var(--nh-secondary); border-color: color-mix(in srgb, var(--nh-secondary) 30%, transparent); }
.nh-as-status--neutral { background: var(--nh-glass-2); color: var(--nh-fg-2); border-color: var(--nh-stroke); }

/* ── META PILLS ─────────────────────────────────────────────────────── */
.nh-as-meta {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    background: var(--nh-glass-2);
    color: var(--nh-fg-2);
    font-size: 0.7rem;
    font-weight: 600;
}
.nh-as-meta svg { color: var(--nh-fg-3); }

/* ── DIFFICULTY BARS ────────────────────────────────────────────────── */
.nh-as-diff {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-size: 0.72rem;
    color: var(--nh-fg-3);
}
.nh-as-diff-label { font-weight: 600; }
.nh-as-diff-bar { display: inline-flex; gap: 2px; }
.nh-as-diff-bit {
    width: 14px; height: 4px;
    border-radius: 2px;
    background: var(--nh-stroke-2);
}
.nh-as-diff-bit.is-on { background: var(--bit-color, var(--nh-secondary)); }
.nh-as-diff-name { color: var(--nh-fg); font-weight: 700; }

/* ── PRICE LABEL ────────────────────────────────────────────────────── */
.nh-as-price-wrap { display: inline-flex; align-items: baseline; gap: 0.2rem; }
.nh-as-price-num { font-size: 1.2rem; font-weight: 900; color: var(--nh-fg); line-height: 1; }
.nh-as-price-cur { font-size: 0.72rem; font-weight: 600; color: var(--nh-fg-2); }
.nh-as-price-free { font-size: 1.05rem; font-weight: 800; color: var(--nh-secondary); }

/* ── SECTION-COLORED TAG ────────────────────────────────────────────── */
.nh-as-section-tag {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--card-color, var(--nh-secondary)) 14%, transparent);
    color: var(--card-color, var(--nh-secondary));
    border: 1px solid color-mix(in srgb, var(--card-color, var(--nh-secondary)) 30%, transparent);
    font-size: 0.7rem;
    font-weight: 700;
}
.nh-as-section-tag i { font-size: 0.78rem; }

/* ── FINAL CTA BAND (reusable) ──────────────────────────────────────── */
.nh-as-cta { padding-block: 4rem 6rem; }
.nh-as-cta-card {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: linear-gradient(135deg,
        var(--nh-secondary) 0%,
        color-mix(in srgb, var(--nh-secondary) 75%, var(--nh-primary)) 100%);
    padding: 4rem 2rem;
}
.nh-as-cta-glow {
    position: absolute;
    inset-block-start: -50%; inset-inline-start: -10%;
    width: 60%; height: 200%;
    background: radial-gradient(ellipse 50% 40% at 50% 50%, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.nh-as-cta-inner {
    position: relative; z-index: 1;
    max-width: 38rem;
    text-align: center;
    margin: 0 auto;
}
.nh-as-cta-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    font-size: 0.8rem; font-weight: 600;
    margin-bottom: 1.5rem;
}
.nh-as-cta-badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #fff;
    animation: nh-as-pulse 2s ease-in-out infinite;
}
.nh-as-cta-heading {
    font-size: clamp(1.6rem, 3.2vw, 2.5rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: #fff;
    margin: 0 0 1rem;
}
.nh-as-cta-sub {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.85);
    margin: 0 0 2rem;
}
.nh-as-cta-actions { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.nh-as-cta-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    border-radius: 9999px;
    background: #fff;
    color: var(--nh-primary);
    font-weight: 800;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.nh-as-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,0.22); }

@keyframes nh-as-pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
@keyframes nh-as-rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ── PAGINATION OVERRIDE ────────────────────────────────────────────── */
.nh-as-pagination { margin-top: 3rem; display: flex; justify-content: center; }

@media (prefers-reduced-motion: reduce) {
    .nh-as-card,
    .nh-as-cta-badge-dot { animation: none; transition: none; }
}