/* ==========================================================================
   Manuale utente - pannello a scomparsa che scende dall'alto
   ========================================================================== */

/* -----------------------------------------------------------------------
   Pulsante di apertura: cerchio fisso in basso a sinistra, incolonnato
   sotto il pulsante del tema. È il più in basso dei due e si allinea
   orizzontalmente al badge della versione (che sta a destra, bottom .75rem).
   ----------------------------------------------------------------------- */
.manual-toggle-fixed {
    position: fixed;
    bottom: 12px;                   /* stessa quota del badge "Version: x.y.z" */
    left: 22px;
    z-index: 10001;                 /* sopra la sidebar dei grafici */
}

.manual-toggle-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--servitecno-green, #009639);
    border: 2px solid var(--servitecno-green-dark, #007a2f);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow-hover, rgba(0, 0, 0, .2));
    transition: transform var(--transition-fast, .2s ease),
                box-shadow var(--transition-fast, .2s ease),
                background var(--transition-fast, .2s ease);
}

.manual-toggle-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 18px var(--shadow-hover, rgba(0, 0, 0, .3));
}

.manual-toggle-btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.manual-toggle-btn.open {
    background: #b0271f;
    border-color: #8d1f19;
}

.manual-toggle-icon {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

/* ----- Sfondo oscurato ----- */
.manual-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal, .3s ease),
                visibility var(--transition-normal, .3s ease);
    z-index: 9998;
}

.manual-backdrop.open {
    opacity: 1;
    visibility: visible;
}

/* ----- Pannello: parte sopra lo schermo e scende ----- */
.manual-drawer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 92vh;                   /* quasi tutta la schermata */
    max-height: 92vh;
    background: var(--surface, #fff);
    color: var(--text-dark, #333);
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
    display: flex;
    flex-direction: column;
    z-index: 9999;

    /* stato chiuso: fuori dallo schermo, in alto */
    transform: translateY(-100%);
    transition: transform .42s cubic-bezier(.22, .61, .36, 1);
    will-change: transform;
}

.manual-drawer.open {
    transform: translateY(0);       /* stato aperto: scende */
}

/* ----- Intestazione ----- */
.manual-drawer-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 22px;
    background: linear-gradient(135deg,
                var(--servitecno-green, #009639),
                var(--servitecno-green-dark, #007a2f));
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
}

.manual-drawer-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
}

.manual-drawer-icon { font-size: 1.35rem; }

.manual-drawer-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.manual-btn {
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .45);
    color: #fff;
    border-radius: 6px;
    padding: 6px 13px;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast, .2s ease);
    white-space: nowrap;
}

.manual-btn:hover:not(:disabled) { background: rgba(255, 255, 255, .3); }
.manual-btn:disabled { opacity: .45; cursor: not-allowed; }
.manual-btn-close { background: rgba(176, 39, 31, .85); border-color: rgba(255, 255, 255, .6); }
.manual-btn-close:hover:not(:disabled) { background: rgba(176, 39, 31, 1); }

/* ----- Corpo scorrevole ----- */
.manual-drawer-body {
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 26px 32px 40px;
    scroll-behavior: smooth;
    background: var(--surface, #fff);
}

.manual-loading,
.manual-error {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary, #6c757d);
}

.manual-loading .spinner-border { margin-bottom: 14px; }

.manual-error .manual-btn {
    background: var(--servitecno-green, #009639);
    border-color: var(--servitecno-green-dark, #007a2f);
    margin-top: 12px;
}

/* ----- Maniglia inferiore ----- */
.manual-drawer-grip {
    flex: 0 0 auto;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--background-light, #f8f9fa);
    border-top: 1px solid var(--border, #dee2e6);
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
}

.manual-drawer-grip span {
    width: 60px;
    height: 5px;
    border-radius: 3px;
    background: var(--text-secondary, #6c757d);
    opacity: .5;
    transition: opacity var(--transition-fast, .2s ease);
}

.manual-drawer-grip:hover span { opacity: .9; }

/* ----- Tipografia del contenuto ----- */
.manual-content {
    max-width: 1100px;
    margin: 0 auto;
    line-height: 1.68;
    font-size: 1rem;
}

.manual-content h1,
.manual-content h2,
.manual-content h3,
.manual-content h4 {
    color: var(--servitecno-green-dark, #007a2f);
    margin: 1.6em 0 .6em;
    line-height: 1.28;
}

.manual-content h1 {
    font-size: 1.9rem;
    border-bottom: 3px solid var(--servitecno-green, #009639);
    padding-bottom: .3em;
    margin-top: 0;
}

.manual-content h2 {
    font-size: 1.45rem;
    border-bottom: 1px solid var(--border, #dee2e6);
    padding-bottom: .25em;
}

.manual-content h3 { font-size: 1.18rem; }
.manual-content h4 { font-size: 1.04rem; }

.manual-content p { margin: 0 0 1em; }
.manual-content ul,
.manual-content ol { margin: 0 0 1em; padding-left: 1.6em; }
.manual-content li { margin-bottom: .4em; }

.manual-content a {
    color: var(--servitecno-green-dark, #007a2f);
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

.manual-content a:hover { color: var(--servitecno-green, #009639); }

.manual-content code {
    background: var(--background-light, #f1f3f5);
    border: 1px solid var(--border, #dee2e6);
    border-radius: 4px;
    padding: .1em .38em;
    font-size: .89em;
    font-family: Consolas, "Courier New", monospace;
}

.manual-content pre {
    background: var(--background-light, #f1f3f5);
    border: 1px solid var(--border, #dee2e6);
    border-radius: 8px;
    padding: 14px 16px;
    overflow-x: auto;
    margin: 0 0 1.2em;
}

.manual-content pre code { background: none; border: none; padding: 0; }

.manual-content blockquote {
    border-left: 4px solid var(--servitecno-green, #009639);
    background: var(--background-light, #f8f9fa);
    margin: 0 0 1.2em;
    padding: .7em 1.1em;
    border-radius: 0 6px 6px 0;
    color: var(--text-gray, #555);
}

.manual-content blockquote p:last-child { margin-bottom: 0; }

/* Tabelle: scorrono in orizzontale se troppo larghe */
.manual-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.3em;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

.manual-content th,
.manual-content td {
    border: 1px solid var(--border, #dee2e6);
    padding: 8px 12px;
    text-align: left;
}

.manual-content th {
    background: var(--background-light, #f1f3f5);
    font-weight: 700;
}

.manual-content tr:nth-child(even) td {
    background: color-mix(in srgb, var(--background-light, #f8f9fa) 55%, transparent);
}

/* Immagini: cliccabili a piena larghezza */
.manual-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.1em auto;
    border: 1px solid var(--border, #dee2e6);
    border-radius: 8px;
    box-shadow: 0 3px 12px var(--shadow, rgba(0, 0, 0, .1));
}

.manual-content hr {
    border: none;
    border-top: 1px solid var(--border, #dee2e6);
    margin: 2em 0;
}

/* ----- Blocco dello scorrimento della pagina sottostante ----- */
body.manual-open { overflow: hidden; }

/*
   Con il pannello aperto i pulsanti fissi della pagina (navigazione, tema,
   linguetta "Settings" dei grafici) si sovrapporrebbero all'intestazione del
   manuale: vengono nascosti finché il pannello resta aperto.
   Restano nascosti tramite opacity (non display), così il "?" mantiene la sua
   posizione affiancata al pulsante del tema.
*/
body.manual-open .nav-toggle-fixed,
body.manual-open .theme-toggle-fixed,
body.manual-open .chart-sidebar-toggle,
body.manual-open .app-version-badge {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast, .2s ease);
}

/*
   Con il pannello aperto il "?" (che diventa "✕") resta in basso a sinistra:
   è già fuori dall'intestazione del manuale, quindi non serve spostarlo.
   Viene solo portato sopra il pannello per restare cliccabile.
*/
body.manual-open .manual-toggle-fixed {
    z-index: 10002;
}

/* ----- Tema scuro ----- */
[data-theme="dark"] .manual-drawer { background: var(--surface, #1e1e1e); }
[data-theme="dark"] .manual-drawer-body { background: var(--surface, #1e1e1e); }
[data-theme="dark"] .manual-content { color: var(--text-dark, #fff); }

[data-theme="dark"] .manual-content h1,
[data-theme="dark"] .manual-content h2,
[data-theme="dark"] .manual-content h3,
[data-theme="dark"] .manual-content h4 {
    color: var(--servitecno-green-light, #66BB6A);
}

[data-theme="dark"] .manual-content a { color: var(--servitecno-green-light, #66BB6A); }
[data-theme="dark"] .manual-content code,
[data-theme="dark"] .manual-content pre {
    background: #2a2a2a;
    border-color: var(--border, #404040);
    color: #e8e8e8;
}
[data-theme="dark"] .manual-content blockquote { background: #262626; color: var(--text-gray, #e0e0e0); }
[data-theme="dark"] .manual-content th { background: #2a2a2a; }
[data-theme="dark"] .manual-content img { border-color: var(--border, #404040); }
[data-theme="dark"] .manual-drawer-grip { background: #262626; border-top-color: var(--border, #404040); }

/* ----- Adattamento a schermi piccoli ----- */
@media (max-width: 992px) {
    .manual-drawer { height: 96vh; max-height: 96vh; }
    .manual-drawer-body { padding: 18px 16px 32px; }
    .manual-drawer-header { padding: 12px 14px; }
    .manual-drawer-title { font-size: 1rem; }
    .manual-btn { padding: 5px 10px; font-size: .8rem; }
    .manual-toggle-btn { width: 44px; height: 44px; }
}

/* Rispetta la preferenza di ridurre le animazioni */
@media (prefers-reduced-motion: reduce) {
    .manual-drawer { transition: none; }
    .manual-backdrop { transition: none; }
    .manual-drawer-body { scroll-behavior: auto; }
}