/* ================================================
   TIENDA LAYOUT — Sidebar + Content Area
   ================================================ */

/* --- CSS Variables --- */
:root {
    --platform-header-height: 56px;
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 84px;
    --sidebar-bg: #0f172a;
    --sidebar-accent: #667eea;
    --sidebar-text: #94a3b8;
    --sidebar-text-active: #ffffff;
    --sidebar-hover-bg: rgba(102, 126, 234, 0.1);
    --sidebar-active-bg: rgba(102, 126, 234, 0.15);
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --sidebar-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Sidebar Container --- */
.tienda-sidebar {
    position: fixed;
    top: var(--platform-header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--platform-header-height));
    background: var(--sidebar-bg);
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--sidebar-transition);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
}

.sidebar-collapse-toggle {
    position: absolute;
    top: 18px;
    right: 10px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.86);
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 2;
}

.sidebar-collapse-toggle:hover {
    color: #fff;
    border-color: rgba(148, 163, 184, 0.7);
}

.tienda-sidebar::-webkit-scrollbar { width: 4px; }
.tienda-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* --- Sidebar Brand / Header --- */
.sidebar-brand {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.02em;
}

.sidebar-brand-text small {
    display: block;
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--sidebar-text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-top: 2px;
}

/* --- Quick Actions --- */
.sidebar-actions {
    padding: 1rem 1rem;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-actions .btn-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 0.4rem;
}

.sidebar-actions .btn-action:last-child { margin-bottom: 0; }

.sidebar-actions .btn-action.primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.sidebar-actions .btn-action.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.sidebar-actions .btn-action.outline {
    background: rgba(102, 126, 234, 0.08);
    color: var(--sidebar-accent);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.sidebar-actions .btn-action.outline:hover {
    background: rgba(102, 126, 234, 0.15);
}

/* --- Navigation --- */
.sidebar-nav {
    padding: 0.75rem 0;
    flex: 1;
}

.sidebar-section {
    padding: 0 0.75rem;
    margin-bottom: 0.25rem;
}

.sidebar-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #475569;
    padding: 0.75rem 0.75rem 0.4rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s;
    margin-bottom: 2px;
    position: relative;
}

.sidebar-link .link-label {
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: var(--sidebar-hover-bg);
    color: var(--sidebar-text-active);
}

.sidebar-link.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-text-active);
    font-weight: 600;
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--sidebar-accent);
    border-radius: 0 4px 4px 0;
}

.sidebar-link .badge-count {
    margin-left: auto;
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 700;
}

/* --- Sidebar Footer --- */
.sidebar-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.5rem 0;
    transition: color 0.15s;
}

.sidebar-footer a:hover { color: var(--sidebar-text-active); }

.sidebar-hover-label {
    position: fixed;
    left: 0;
    top: 0;
    transform: translate(-8px, -50%);
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    background: #111827;
    color: #f8fafc;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    line-height: 1.2;
    z-index: 2000;
    transition: opacity 0.16s ease, transform 0.16s ease;
}

.sidebar-hover-label.show {
    opacity: 1;
    transform: translate(0, -50%);
}

/* --- Content Area (pushed by sidebar) --- */
.tienda-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--sidebar-transition);
}

/* --- Desktop collapsed mode (icon-only) --- */
@media (min-width: 992px) {
    .tienda-sidebar.is-collapsed {
        width: var(--sidebar-width-collapsed);
        overflow: visible;
    }

    .tienda-sidebar.is-collapsed .sidebar-brand {
        justify-content: center;
        padding: 1rem 0.5rem;
    }

    .tienda-sidebar.is-collapsed .sidebar-brand-text,
    .tienda-sidebar.is-collapsed .sidebar-actions,
    .tienda-sidebar.is-collapsed .sidebar-section-title {
        display: none;
    }

    .tienda-sidebar.is-collapsed .sidebar-link .link-label {
        display: inline-block;
    }

    .tienda-sidebar.is-collapsed .sidebar-collapse-toggle {
        right: 50%;
        transform: translateX(50%);
    }

    .tienda-sidebar.is-collapsed .sidebar-nav {
        padding-top: 0.5rem;
    }

    .tienda-sidebar.is-collapsed .sidebar-section {
        padding: 0 0.4rem;
    }

    .tienda-sidebar.is-collapsed .sidebar-link,
    .tienda-sidebar.is-collapsed .sidebar-footer a {
        justify-content: center;
        gap: 0;
        padding: 0.62rem 0.35rem;
    }

    .tienda-sidebar.is-collapsed .sidebar-link i,
    .tienda-sidebar.is-collapsed .sidebar-footer a i {
        width: auto;
        font-size: 1rem;
    }

    .tienda-sidebar.is-collapsed .sidebar-link .link-label,
    .tienda-sidebar.is-collapsed .sidebar-footer .link-label {
        position: absolute;
        left: calc(100% + 12px);
        top: 50%;
        transform: translateY(-50%) translateX(-8px);
        opacity: 0;
        pointer-events: none;
        white-space: nowrap;
        background: #111827;
        color: #f8fafc;
        border: 1px solid rgba(148, 163, 184, 0.25);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        border-radius: 8px;
        padding: 0.35rem 0.6rem;
        z-index: 30;
        transition: opacity 0.18s ease, transform 0.18s ease;
    }

    .tienda-sidebar.is-collapsed .sidebar-link:hover .link-label,
    .tienda-sidebar.is-collapsed .sidebar-footer a:hover .link-label,
    .tienda-sidebar.is-collapsed .sidebar-link:focus-visible .link-label,
    .tienda-sidebar.is-collapsed .sidebar-footer a:focus-visible .link-label {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }

    .tienda-sidebar.is-collapsed .sidebar-link.active::before {
        left: 0;
    }

    .tienda-content {
        margin-left: var(--sidebar-width);
    }

    .tienda-sidebar.is-collapsed ~ .tienda-content {
        margin-left: var(--sidebar-width-collapsed);
    }
}

/* --- Mobile Toggle Button --- */
.sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    z-index: 1050;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.5);
    cursor: pointer;
    transition: transform 0.2s;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    transform: scale(1.05);
}

/* Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    backdrop-filter: blur(2px);
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
    .tienda-sidebar {
        transform: translateX(-100%);
    }

    .sidebar-collapse-toggle {
        display: none;
    }

    .tienda-sidebar.show {
        transform: translateX(0);
    }

    .tienda-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .sidebar-overlay.show {
        display: block;
    }
}

/* --- Dashboard Quick Action Cards --- */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.quick-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    background: white;
    border-radius: 16px;
    border: 2px solid transparent;
    text-decoration: none;
    color: #334155;
    transition: all 0.25s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    gap: 0.75rem;
    text-align: center;
}

.quick-action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: var(--sidebar-accent);
    color: #1e293b;
}

.quick-action-card .qa-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.quick-action-card .qa-icon.sale { background: linear-gradient(135deg, #10b981, #059669); color: white; }
.quick-action-card .qa-icon.purchase { background: linear-gradient(135deg, #3b82f6, #2563eb); color: white; }
.quick-action-card .qa-icon.quote { background: linear-gradient(135deg, #f59e0b, #d97706); color: white; }
.quick-action-card .qa-icon.exchange { background: linear-gradient(135deg, #8b5cf6, #7c3aed); color: white; }
.quick-action-card .qa-icon.inventory { background: linear-gradient(135deg, #ec4899, #db2777); color: white; }
.quick-action-card .qa-icon.clients { background: linear-gradient(135deg, #06b6d4, #0891b2); color: white; }

.quick-action-card .qa-label {
    font-weight: 600;
    font-size: 0.85rem;
}

.quick-action-card .qa-sub {
    font-size: 0.7rem;
    color: #94a3b8;
}