/* ============================================
   TaskHub - Navbar, Sidebar & Responsivo
   ============================================ */

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
}

.navbar-brand span {
    color: var(--text);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-icon-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.navbar-icon-btn:hover {
    background: rgba(108,99,255,0.1);
    color: var(--primary);
}

.navbar-icon-btn .notif-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    border: 2px solid var(--bg-card);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.navbar-user:hover {
    background: var(--bg);
}

.navbar-user .user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
    z-index: 999;
    transition: var(--transition);
}

.sidebar-nav {
    list-style: none;
    padding: 0 8px;
}

.sidebar-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 16px 16px 8px;
}

.sidebar-item {
    margin-bottom: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.sidebar-link:hover {
    background: rgba(108,99,255,0.05);
    color: var(--primary);
}

.sidebar-link.active {
    background: rgba(108,99,255,0.1);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.sidebar-link .sidebar-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    padding: 1px 7px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
}

/* === RESPONSIVO === */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 998;
        display: none;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }
    
    .navbar-user .user-name {
        display: none;
    }
    
    .main-content {
        padding: 16px;
        margin-top: 64px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .main-content {
        padding: 12px;
    }
    
    .card {
        padding: 14px;
    }
    
    .btn {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

/* === LANDING PAGE (SEM AUTH) === */
.landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 0 24px;
    position: relative;
    overflow: hidden;
}

.landing-hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -50px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.landing-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    width: 100%;
}

.landing-text h1 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.landing-text p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}

.landing-cta {
    display: flex;
    gap: 12px;
}

.landing-cta .btn {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-white {
    background: #fff;
    color: var(--primary);
}

.btn-white:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

@media (max-width: 768px) {
    .landing-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .landing-text h1 {
        font-size: 2rem;
    }
    .landing-cta {
        justify-content: center;
        flex-wrap: wrap;
    }
}