/* =========================================================
   CLEANLINESS MANUAL PAGE
   ========================================================= */

/* =========================
   THEME VARIABLES
   ========================= */

:root {
    --manual-nav-bg: #ffffff;
    --manual-nav-border: #dee2e6;
    --manual-item-bg: #f1f3f5;
    --manual-item-hover: #e2e6ea;
    --manual-item-text: #333;
    --manual-item-active-bg: #0d6efd;
    --manual-item-active-text: #ffffff;
    --manual-card-bg: #ffffff;
    --manual-card-border: #dee2e6;
    --manual-shadow: rgba(0,0,0,0.08);
}

/* 🌙 DARK MODE */
[data-bs-theme="dark"] {
    --manual-nav-bg: #1e1e1e;
    --manual-nav-border: #2c2c2c;
    --manual-item-bg: #2a2a2a;
    --manual-item-hover: #3a3a3a;
    --manual-item-text: #e9ecef;
    --manual-item-active-bg: #4dabf7;
    --manual-item-active-text: #ffffff;
    --manual-card-bg: #1f1f1f;
    --manual-card-border: #2c2c2c;
    --manual-shadow: rgba(0,0,0,0.5);
}

/* =========================
   PAGE LAYOUT
   ========================= */

.manual-page {
    max-width: 900px;
}

/* =========================
   STICKY NAV
   ========================= */

.manual-nav-wrap {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: var(--manual-nav-bg);
    border-bottom: 1px solid var(--manual-nav-border);
    border-radius: 8px;
    /* optional polish */
    backdrop-filter: blur(6px);
}

.manual-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px 8px;
    margin-bottom: .5rem;
}

    /* NAV ITEM */
    .manual-nav a {
        display: inline-block;
        padding: 6px 12px;
        border-radius: 8px;
        text-decoration: none;
        color: var(--manual-item-text);
        background: var(--manual-item-bg);
        font-size: 0.9rem;
        border: 1px solid transparent;
        transition: all 0.18s ease;
    }

/* DARK MODE BORDER */
[data-bs-theme="dark"] .manual-nav a {
    border-color: #3a3a3a;
}

/* HOVER */
.manual-nav a:hover {
    background: var(--manual-item-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--manual-shadow);
}

/* ACTIVE LINK */
.manual-nav a.active {
    background: var(--manual-item-active-bg);
    color: var(--manual-item-active-text);
    box-shadow: 0 0 0 1px rgba(13,110,253,0.4);
}

/* CLICK */
.manual-nav a:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--manual-shadow);
}

/* ACCESSIBILITY */
.manual-nav a:focus-visible {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* =========================
   SECTION
   ========================= */

.manual-section {
    margin-bottom: 32px;
    /* prevent sticky nav overlap */
    scroll-margin-top: 70px;
}

/* =========================
   CARD
   ========================= */

.manual-card {
    border: 1px solid var(--manual-card-border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 12px;
    background: var(--manual-card-bg);
}

    .manual-card h6 {
        margin-bottom: 8px;
        font-weight: 600;
    }

    .manual-card ul {
        margin: 0;
        padding-left: 18px;
    }

    .manual-card li {
        margin-bottom: 4px;
        font-size: 0.95rem;
    }

/* =========================
   TEXT HELPERS
   ========================= */

.text-muted-soft {
    opacity: 0.75;
}

/* =========================
   SMALL DEVICES
   ========================= */

@media (max-width: 576px) {

    .manual-nav {
        gap: 6px;
    }

        .manual-nav a {
            padding: 5px 10px;
            font-size: 0.85rem;
        }

    .manual-page {
        padding-left: 10px;
        padding-right: 10px;
    }
}

.manual-begin-spacer {
    height: 1rem;
    height: clamp(8px, 1.5vh, 16px);
}

    .manual-begin-spacer.debug {
        background: rgba(255, 0, 0, 0.05);
    }

.manual-end-spacer {
    height: clamp(200px, 41vh, 500px);
}

    .manual-end-spacer.debug {
        background: rgba(255, 0, 0, 0.05);
    }