:root {
    --sidebar-width: 260px;
    --brand-gradient: linear-gradient(135deg, #6f42c1 0%, #d63384 100%);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--brand-gradient);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    transition: transform .25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 1.3rem 1.2rem;
    font-weight: 700;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,.15);
}

.sidebar-brand i { font-size: 1.8rem; }

.sidebar-nav { flex: 1; padding: 1rem 0; }

.sidebar-nav .nav-link {
    color: rgba(255,255,255,.85);
    padding: .7rem 1.3rem;
    display: flex;
    align-items: center;
    gap: .7rem;
    border-radius: 0;
    font-weight: 500;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: rgba(255,255,255,.15);
    color: #fff;
    border-left: 4px solid #fff;
}

.sidebar-footer {
    padding: 1rem 1.2rem;
    font-size: .8rem;
    border-top: 1px solid rgba(255,255,255,.15);
    opacity: .9;
}

/* ---------- Main ---------- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
}

.topbar {
    padding: .8rem 1.5rem;
    border-bottom: 1px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    position: sticky;
    top: 0;
    z-index: 900;
}

.page-content { padding: 1.5rem; }

/* ---------- Cards de estatística ---------- */
.stat-card {
    border-radius: 1rem;
    padding: 1.3rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.stat-card i.bg-icon {
    position: absolute;
    right: -10px;
    bottom: -10px;
    font-size: 4.5rem;
    opacity: .2;
}
.stat-card .stat-value { font-size: 2rem; font-weight: 700; }
.stat-card .stat-label { font-size: .85rem; opacity: .9; }

.bg-grad-1 { background: linear-gradient(135deg,#6f42c1,#8e5fe0); }
.bg-grad-2 { background: linear-gradient(135deg,#0d6efd,#3d94ff); }
.bg-grad-3 { background: linear-gradient(135deg,#20c997,#4de3b6); }
.bg-grad-4 { background: linear-gradient(135deg,#fd7e14,#ffab5e); }
.bg-grad-5 { background: linear-gradient(135deg,#dc3545,#f2626f); }
.bg-grad-6 { background: linear-gradient(135deg,#6c757d,#98a0a7); }

/* ---------- Canal / categoria cards ---------- */
.channel-logo, .category-icon-box {
    width: 46px; height: 46px;
    border-radius: .6rem;
    object-fit: cover;
    background: var(--bs-secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem .7rem;
    border-radius: 2rem;
    font-size: .8rem;
    color: #fff;
}

/* ---------- Responsivo ---------- */
@media (max-width: 767.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
}

.playlist-link-box {
    background: var(--bs-tertiary-bg);
    border: 1px dashed var(--bs-border-color);
    border-radius: .6rem;
    padding: .8rem;
    font-family: monospace;
    word-break: break-all;
}

.badge-vencimento {
    background: linear-gradient(135deg,#ffc107,#ff8f00);
    color: #212529;
    font-weight: 600;
}