/* ============================================================
   PilotCNC — FAQ / Wiki
   Charte graphique officielle PilotCNC (MeissaCNC)
   Turquoise #08c5d1 · Orange #d46f4d · Bleu-nuit #003540 · Roboto
   ============================================================ */

:root {
    /* Couleurs de marque */
    --primary-color: #08c5d1;
    --primary-hover: #003540;
    --accent-orange: #d46f4d;
    --accent-orange-light: #ffbf66;
    --accent-orange-hover: #e0845f;
    --accent-orange-dark: #c05a3a;

    /* Statut */
    --success-color: #08c5d1;
    --warning-color: #ffbf66;
    --danger-color: #d46f4d;
    --info-color: #08c5d1;

    /* Neutres & fonds */
    --dark: #003540;
    --dark-light: #1a4a55;
    --dark-darker: #001a20;
    --gray: #4a8a95;
    --gray-light: #b8e6ea;
    --light: #f0f8f9;
    --white: #ffffff;
    --warm-beige: #fff5e0;
    --warm-yellow: #fff0d4;

    --bg-primary: #f0f8f9;
    --bg-card: #ffffff;
    --border-light: #b8e6ea;

    /* Typographie */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;

    /* Espacements */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Bordures & ombres */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 53, 64, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 53, 64, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 53, 64, 0.2);
    --shadow-warm: 0 4px 16px rgba(212, 111, 77, 0.2);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --header-h: 64px;
    --sidebar-w: 280px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.65;
    color: var(--dark);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--dark); text-decoration: none; }
a:hover { color: var(--primary-color); }

/* ===================== HEADER ===================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    background: var(--white);
    border-bottom: 3px solid var(--dark);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
}

.site-header .brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}
.site-header .brand img { height: 32px; width: auto; }
.site-header .brand .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
}
.site-header .brand .logo-text b { color: var(--primary-color); }
.site-header .tag {
    font-size: 12px;
    color: var(--gray);
    font-weight: 500;
    border-left: 1px solid var(--border-light);
    padding-left: var(--spacing-sm);
    margin-left: calc(var(--spacing-xs) * -1);
    flex-shrink: 0;
    transition: var(--transition-fast);
}
.site-header a.tag:hover { color: var(--primary-color); border-color: var(--primary-color); }

.header-search {
    flex: 1;
    max-width: 520px;
    margin: 0 auto;
    position: relative;
}
.header-search input {
    width: 100%;
    height: 42px;
    padding: 0 16px 0 44px;
    font-family: inherit;
    font-size: 15px;
    color: var(--dark);
    background: var(--light);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}
.header-search input:focus {
    outline: none;
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(8, 197, 209, 0.18);
}
.header-search svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--gray);
    pointer-events: none;
}
.header-search .clear-search {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: var(--gray-light);
    color: var(--dark);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    line-height: 1;
}
.header-search .clear-search.show { display: flex; }

.header-cta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 18px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-fast);
}
.header-cta:hover { background: var(--dark-light); color: var(--white); transform: translateY(-1px); }

.menu-toggle {
    display: none;
    width: 40px; height: 40px;
    border: none; background: var(--light);
    border-radius: var(--border-radius-sm);
    cursor: pointer; color: var(--dark);
    align-items: center; justify-content: center;
}

/* ===================== LAYOUT ===================== */
.layout {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* ===================== SIDEBAR ===================== */
.sidebar {
    position: sticky;
    top: calc(var(--header-h) + var(--spacing-xl));
    align-self: start;
    max-height: calc(100vh - var(--header-h) - var(--spacing-xl) * 2);
    overflow-y: auto;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar .nav-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
}
.sidebar a.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    color: var(--dark-light);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
}
.sidebar a.nav-link .ico { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar a.nav-link:hover { background: var(--light); color: var(--dark); }
.sidebar a.nav-link.active {
    background: linear-gradient(135deg, rgba(8,197,209,0.16), rgba(8,197,209,0.06));
    color: var(--primary-hover);
    box-shadow: inset 3px 0 0 var(--primary-color);
}

/* ===================== MAIN CONTENT ===================== */
.content { min-width: 0; }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    right: -60px; top: -60px;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(8,197,209,0.35), transparent 70%);
    border-radius: 50%;
}
.hero h1 { font-size: 30px; font-weight: 700; margin-bottom: 10px; position: relative; }
.hero p { font-size: 16px; opacity: 0.92; max-width: 640px; position: relative; }
.hero .quick-links {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: var(--spacing-lg); position: relative;
}
.hero .quick-links a {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--border-radius);
    color: var(--white); font-size: 13px; font-weight: 500;
    transition: var(--transition-fast);
}
.hero .quick-links a:hover { background: var(--primary-color); border-color: var(--primary-color); color: var(--dark); }

/* Category cards (table of contents) */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}
.cat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    display: block;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary-color); }
.cat-card .emoji { font-size: 24px; }
.cat-card h3 { font-size: 15px; color: var(--dark); margin: 8px 0 4px; }
.cat-card p { font-size: 13px; color: var(--gray); line-height: 1.45; }

/* Sections */
.faq-section { margin-bottom: var(--spacing-xl); scroll-margin-top: calc(var(--header-h) + 16px); }
.faq-section > h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}
.faq-section > h2 .emoji { font-size: 22px; }
.section-intro { color: var(--gray); margin-bottom: var(--spacing-md); font-size: 14px; }

/* Q&A accordion (native <details>) */
details.qa {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}
details.qa[open] { box-shadow: var(--shadow-md); border-color: var(--primary-color); }
details.qa > summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 48px 16px 18px;
    font-weight: 500;
    font-size: 15.5px;
    color: var(--dark);
    position: relative;
    user-select: none;
}
details.qa > summary::-webkit-details-marker { display: none; }
details.qa > summary::after {
    content: '';
    position: absolute;
    right: 18px; top: 50%;
    width: 10px; height: 10px;
    border-right: 2px solid var(--gray);
    border-bottom: 2px solid var(--gray);
    transform: translateY(-65%) rotate(45deg);
    transition: var(--transition-fast);
}
details.qa[open] > summary::after { transform: translateY(-35%) rotate(225deg); border-color: var(--primary-color); }
details.qa > summary:hover { color: var(--primary-hover); }
details.qa .qa-body {
    padding: 0 18px 18px;
    color: var(--dark-light);
    font-size: 14.5px;
}
details.qa .qa-body > *:first-child { margin-top: 0; }
.qa-body p { margin: 10px 0; }
.qa-body ul, .qa-body ol { margin: 10px 0 10px 22px; }
.qa-body li { margin: 5px 0; }
.qa-body strong { color: var(--dark); font-weight: 700; }
.qa-body h4 { font-size: 15px; color: var(--dark); margin: 16px 0 6px; }
.qa-body code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--light);
    color: var(--accent-orange-dark);
    padding: 2px 6px;
    border-radius: 5px;
    border: 1px solid var(--border-light);
}
.qa-body pre {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--dark);
    color: #e6f7f8;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: 12px 0;
    line-height: 1.5;
}
.qa-body pre code { background: none; border: none; color: inherit; padding: 0; }
.qa-body a { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 2px; }

/* Tables */
.qa-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 13.5px;
}
.qa-body th, .qa-body td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-light);
}
.qa-body th { background: var(--light); color: var(--dark); font-weight: 700; }
.qa-body tr:last-child td { border-bottom: none; }

/* Callouts */
.callout {
    border-radius: var(--border-radius-sm);
    padding: 12px 14px;
    margin: 14px 0;
    font-size: 14px;
    border-left: 4px solid;
    display: flex;
    gap: 10px;
}
.callout .ic { flex-shrink: 0; font-size: 16px; }
.callout.tip { background: rgba(8,197,209,0.08); border-color: var(--primary-color); }
.callout.warn { background: var(--warm-beige); border-color: var(--accent-orange); }
.callout.danger { background: rgba(212,111,77,0.1); border-color: var(--danger-color); }
.callout.info { background: var(--light); border-color: var(--gray); }

/* ===== Icônes SVG monochrome (charte, style outline) ===== */
.faq-ico { fill: none; stroke: currentColor; flex-shrink: 0; }

/* Icônes structurelles : turquoise uni (charte) */
.sidebar a.nav-link svg.ico,
.faq-section > h2 svg.emoji,
.cat-card svg.emoji,
.no-results svg.emoji,
.callout svg.ic { color: var(--primary-color); }

/* Icônes en ligne (boutons, hero) : suivent la couleur du texte/bouton */
.inline-ico { color: currentColor; }

/* Tailles par contexte */
.sidebar a.nav-link svg.ico { width: 19px; height: 19px; }
.faq-section > h2 svg.emoji { width: 24px; height: 24px; }
.cat-card svg.emoji { width: 27px; height: 27px; }
.callout svg.ic { width: 18px; height: 18px; margin-top: 1px; }
.no-results svg.emoji { width: 44px; height: 44px; display: inline-block; margin-bottom: 10px; }
.hero .quick-links a svg.inline-ico,
.help-block .btn svg.inline-ico { width: 16px; height: 16px; vertical-align: -2px; margin-right: 2px; }

/* Indicateurs compatible / non compatible dans les tableaux */
.qa-body svg.tick,
.qa-body svg.cross { width: 17px; height: 17px; vertical-align: -3px; }
.qa-body svg.tick { color: var(--primary-color); }
.qa-body svg.cross { color: var(--accent-orange); }

/* Badge Pro / Free */
.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.badge.premium { background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-light)); color: var(--white); }
.badge.free { background: var(--gray-light); color: var(--dark); }

/* Keyboard key */
kbd {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--gray-light);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 2px 7px;
    white-space: nowrap;
}

/* No results */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray);
    display: none;
}
.no-results.show { display: block; }
.no-results .emoji { font-size: 40px; display: block; margin-bottom: 10px; }

/* Search highlight */
mark.hl { background: var(--accent-orange-light); color: var(--dark); border-radius: 3px; padding: 0 1px; }

/* Help / contact footer block */
.help-block {
    background: linear-gradient(135deg, rgba(8,197,209,0.1), rgba(212,111,77,0.08));
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-xl);
}
.help-block h2 { font-size: 20px; color: var(--dark); margin-bottom: 8px; }
.help-block p { color: var(--gray); margin-bottom: var(--spacing-md); }
.help-block .help-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.help-block .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px;
    border-radius: var(--border-radius);
    font-weight: 500; font-size: 14px;
    transition: var(--transition-fast);
}
.help-block .btn.primary { background: var(--dark); color: var(--white); }
.help-block .btn.primary:hover { background: var(--dark-light); transform: translateY(-2px); }
.help-block .btn.secondary { background: var(--white); color: var(--dark); border: 2px solid var(--border-light); }
.help-block .btn.secondary:hover { border-color: var(--primary-color); color: var(--primary-hover); transform: translateY(-2px); }

/* Site footer */
.site-footer {
    border-top: 1px solid var(--border-light);
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xl);
}
.site-footer .inner {
    max-width: 1320px; margin: 0 auto;
    display: flex; flex-wrap: wrap; gap: var(--spacing-lg);
    justify-content: space-between; align-items: center;
    color: var(--gray); font-size: 13px;
}
.site-footer a { color: var(--dark-light); }
.site-footer a:hover { color: var(--primary-color); }
.site-footer .foot-links { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

/* Back to top */
.to-top {
    position: fixed;
    right: 24px; bottom: 24px;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--dark);
    color: var(--white);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: var(--transition-fast);
    z-index: 900;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--primary-color); color: var(--dark); transform: translateY(-3px); }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,53,64,0.4);
    z-index: 998;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
    .layout { grid-template-columns: 1fr; }
    .menu-toggle { display: flex; }
    .header-cta { display: none; }
    .sidebar {
        position: fixed;
        top: var(--header-h); left: 0; bottom: 0;
        width: 280px;
        max-height: none;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 999;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.show { display: block; }
}

@media (max-width: 560px) {
    .site-header { gap: var(--spacing-sm); padding: 0 var(--spacing-md); }
    .site-header .tag { display: none; }
    .hero { padding: var(--spacing-lg); }
    .hero h1 { font-size: 24px; }
    .layout { padding: var(--spacing-md); }
}

/* Print */
@media print {
    .site-header, .sidebar, .to-top, .header-search, .menu-toggle { display: none !important; }
    .layout { display: block; }
    details.qa { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    details.qa[open] .qa-body, details.qa .qa-body { display: block; }
    details.qa { open: true; }
}