/**
 * M24 Plattform — Sammelanfrage-Sidebar Styles
 *
 * BEM-Naming: m24-sidebar__element--modifier
 * Alle Variablen lokal auf #m24-sidebar-root gescoped.
 * Keine globalen :root-Variablen, um Theme-Konflikte zu vermeiden.
 */

#m24-sidebar-root {
    /* Design-Tokens */
    --m24-sb-color-bg:           #ffffff;
    --m24-sb-color-text:         #1a1a1a;
    --m24-sb-color-muted:        #6b7280;
    --m24-sb-color-border:       #e5e7eb;
    --m24-sb-color-accent:       #c8102e;       /* M24-Rot, anpassbar */
    --m24-sb-color-accent-text:  #ffffff;
    --m24-sb-color-shadow:       rgba(0, 0, 0, 0.18);
    --m24-sb-color-overlay:      rgba(0, 0, 0, 0.4);

    /* Pillar-Farben */
    --m24-sb-pillar-gebrauchtteile: #2563eb;   /* Blau */
    --m24-sb-pillar-katalog:        #16a34a;   /* Grün */
    --m24-sb-pillar-fahrzeug:       #f59e0b;   /* Orange */
    --m24-sb-pillar-blog:           #8b5cf6;   /* Lila */

    /* Größen */
    --m24-sb-radius:           10px;
    --m24-sb-radius-sm:        6px;
    --m24-sb-spacing:          12px;
    --m24-sb-spacing-sm:       8px;
    --m24-sb-spacing-lg:       16px;
    --m24-sb-toggle-size:      56px;
    --m24-sb-panel-width:      380px;
    --m24-sb-z-toggle:         9998;
    --m24-sb-z-panel:          9999;
    --m24-sb-transition:       220ms cubic-bezier(0.4, 0, 0.2, 1);

    position: fixed;
    inset: 0 0 auto auto;
    pointer-events: none;
    z-index: var(--m24-sb-z-toggle);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    color: var(--m24-sb-color-text);
}

#m24-sidebar-root *,
#m24-sidebar-root *::before,
#m24-sidebar-root *::after {
    box-sizing: border-box;
}

/* ────────────────────────────────────────────────────────────────── */
/* Toggle-Button (immer sichtbar, rechts unten)                      */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__toggle {
    position: fixed;
    bottom: var(--m24-sb-spacing-lg);
    right: var(--m24-sb-spacing-lg);
    width: var(--m24-sb-toggle-size);
    height: var(--m24-sb-toggle-size);
    border-radius: 50%;
    border: none;
    background: var(--m24-sb-color-accent);
    color: var(--m24-sb-color-accent-text);
    cursor: pointer;
    box-shadow: 0 4px 12px var(--m24-sb-color-shadow);
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--m24-sb-transition), box-shadow var(--m24-sb-transition);
    padding: 0;
}

.m24-sidebar__toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--m24-sb-color-shadow);
}

.m24-sidebar__toggle:focus-visible {
    outline: 3px solid var(--m24-sb-color-accent);
    outline-offset: 3px;
}

.m24-sidebar__toggle-icon {
    font-size: 24px;
    line-height: 1;
}

.m24-sidebar__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background: #1a1a1a;
    color: #ffffff;
    border-radius: 11px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--m24-sb-color-bg);
}

/* Flash-Animation beim addItem() */
.m24-sidebar--flash .m24-sidebar__toggle {
    animation: m24-sb-flash 0.6s ease-out;
}

@keyframes m24-sb-flash {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(200, 16, 46, 0.2); }
    100% { transform: scale(1); }
}

/* ────────────────────────────────────────────────────────────────── */
/* Panel (Slide-In)                                                  */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--m24-sb-panel-width);
    max-width: 100vw;
    background: var(--m24-sb-color-bg);
    box-shadow: -8px 0 24px var(--m24-sb-color-shadow);
    transform: translateX(100%);
    transition: transform var(--m24-sb-transition);
    z-index: var(--m24-sb-z-panel);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
}

#m24-sidebar-root[data-state="open"] .m24-sidebar__panel {
    transform: translateX(0);
}

#m24-sidebar-root[data-state="open"] .m24-sidebar__toggle {
    /* Toggle bleibt sichtbar, aber dezenter, wenn Panel offen */
    opacity: 0.85;
}

/* ────────────────────────────────────────────────────────────────── */
/* Header                                                            */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--m24-sb-spacing-lg);
    border-bottom: 1px solid var(--m24-sb-color-border);
    flex-shrink: 0;
}

.m24-sidebar__title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--m24-sb-color-text);
}

.m24-sidebar__close {
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    color: var(--m24-sb-color-muted);
    cursor: pointer;
    padding: 0 var(--m24-sb-spacing-sm);
    border-radius: var(--m24-sb-radius-sm);
}

.m24-sidebar__close:hover { color: var(--m24-sb-color-text); }
.m24-sidebar__close:focus-visible {
    outline: 2px solid var(--m24-sb-color-accent);
    outline-offset: 2px;
}

/* ────────────────────────────────────────────────────────────────── */
/* Body                                                              */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--m24-sb-spacing);
}

.m24-sidebar__empty {
    text-align: center;
    padding: var(--m24-sb-spacing-lg) var(--m24-sb-spacing);
    color: var(--m24-sb-color-muted);
}

.m24-sidebar__empty-title {
    margin: 0 0 var(--m24-sb-spacing-sm) 0;
    font-weight: 600;
    color: var(--m24-sb-color-text);
}

.m24-sidebar__empty-hint {
    margin: 0;
    font-size: 13px;
}

/* ────────────────────────────────────────────────────────────────── */
/* Item-Liste                                                        */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--m24-sb-spacing-sm);
}

.m24-sidebar__item {
    background: #f9fafb;
    border: 1px solid var(--m24-sb-color-border);
    border-radius: var(--m24-sb-radius-sm);
    padding: var(--m24-sb-spacing);
    display: flex;
    flex-direction: column;
    gap: var(--m24-sb-spacing-sm);
}

.m24-sidebar__item-art {
    font-weight: 600;
    font-size: 14px;
    line-height: 1.35;
    color: var(--m24-sb-color-text);
    word-break: break-word;
}

.m24-sidebar__item-meta {
    display: flex;
    align-items: center;
    gap: var(--m24-sb-spacing-sm);
    flex-wrap: wrap;
    font-size: 12px;
}

.m24-sidebar__item-pillar {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #ffffff;
}

.m24-sidebar__item-pillar--gebrauchtteile { background: var(--m24-sb-pillar-gebrauchtteile); }
.m24-sidebar__item-pillar--katalog        { background: var(--m24-sb-pillar-katalog); }
.m24-sidebar__item-pillar--fahrzeug       { background: var(--m24-sb-pillar-fahrzeug); }
.m24-sidebar__item-pillar--blog           { background: var(--m24-sb-pillar-blog); }

.m24-sidebar__item-price {
    color: var(--m24-sb-color-text);
    font-weight: 500;
}

.m24-sidebar__item-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--m24-sb-spacing-sm);
}

/* Mengen-Adjuster */
.m24-sidebar__qty {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--m24-sb-color-border);
    border-radius: var(--m24-sb-radius-sm);
    overflow: hidden;
    background: var(--m24-sb-color-bg);
}

.m24-sidebar__qty-btn {
    border: none;
    background: transparent;
    width: 28px;
    height: 32px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--m24-sb-color-text);
}

.m24-sidebar__qty-btn:hover {
    background: #f3f4f6;
}

.m24-sidebar__qty-input {
    width: 44px;
    height: 32px;
    border: none;
    border-left: 1px solid var(--m24-sb-color-border);
    border-right: 1px solid var(--m24-sb-color-border);
    text-align: center;
    font-size: 14px;
    background: var(--m24-sb-color-bg);
    color: var(--m24-sb-color-text);
    -moz-appearance: textfield;
}

.m24-sidebar__qty-input::-webkit-outer-spin-button,
.m24-sidebar__qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.m24-sidebar__remove {
    border: 1px solid var(--m24-sb-color-border);
    background: transparent;
    width: 32px;
    height: 32px;
    border-radius: var(--m24-sb-radius-sm);
    cursor: pointer;
    font-size: 18px;
    color: var(--m24-sb-color-muted);
    transition: color 120ms, background 120ms, border-color 120ms;
}

.m24-sidebar__remove:hover {
    color: var(--m24-sb-color-accent);
    border-color: var(--m24-sb-color-accent);
    background: #fef2f2;
}

/* ────────────────────────────────────────────────────────────────── */
/* Footer                                                            */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__footer {
    padding: var(--m24-sb-spacing-lg);
    border-top: 1px solid var(--m24-sb-color-border);
    flex-shrink: 0;
}

.m24-sidebar__submit {
    width: 100%;
    padding: 12px var(--m24-sb-spacing);
    background: var(--m24-sb-color-accent);
    color: var(--m24-sb-color-accent-text);
    border: none;
    border-radius: var(--m24-sb-radius-sm);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background 120ms, transform 120ms;
}

.m24-sidebar__submit:hover:not(:disabled) {
    background: #a30d25;
    transform: translateY(-1px);
}

.m24-sidebar__submit:disabled {
    background: #d1d5db;
    color: #6b7280;
    cursor: not-allowed;
}

.m24-sidebar__submit:focus-visible {
    outline: 3px solid var(--m24-sb-color-accent);
    outline-offset: 2px;
}

/* ────────────────────────────────────────────────────────────────── */
/* Toast                                                             */
/* ────────────────────────────────────────────────────────────────── */

.m24-sidebar__toast {
    position: fixed;
    bottom: 90px;
    right: var(--m24-sb-spacing-lg);
    background: #1a1a1a;
    color: #ffffff;
    padding: 10px 16px;
    border-radius: var(--m24-sb-radius-sm);
    font-size: 13px;
    font-weight: 500;
    z-index: 10000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    animation: m24-sb-toast-in 240ms ease-out;
    pointer-events: none;
}

.m24-sidebar__toast--out {
    animation: m24-sb-toast-out 380ms ease-in forwards;
}

@keyframes m24-sb-toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes m24-sb-toast-out {
    to { opacity: 0; transform: translateY(8px); }
}

/* ────────────────────────────────────────────────────────────────── */
/* Mobile (< 600px) — Vollbild                                       */
/* ────────────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
    #m24-sidebar-root {
        --m24-sb-toggle-size: 52px;
    }

    .m24-sidebar__panel {
        width: 100vw;
        max-width: 100vw;
    }

    .m24-sidebar__toggle {
        bottom: var(--m24-sb-spacing);
        right: var(--m24-sb-spacing);
    }
}

/* ────────────────────────────────────────────────────────────────── */
/* Reduced Motion                                                    */
/* ────────────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .m24-sidebar__panel,
    .m24-sidebar__toggle,
    .m24-sidebar__submit,
    .m24-sidebar__toast {
        transition: none;
        animation: none;
    }
    .m24-sidebar--flash .m24-sidebar__toggle {
        animation: none;
    }
}