@media (min-width: 600px) {
    body {
        display: flex;
        justify-content: center;
        background: #08080c !important;
    }
    #app-container {
        width: 100%;
        max-width: 580px;
        min-height: 100vh;
        border-left: 1px solid rgba(255,255,255,0.08);
        border-right: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 0 50px rgba(0,0,0,0.8);
    }
    .bottom-nav {
        max-width: 580px;
        left: 50% !important;
        transform: translateX(-50%);
    }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 50;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.header-icon {
    font-size: 1.3rem;
    cursor: pointer;
    width: 30px;
    text-align: center;
}

.notifications-list {
    padding: 10px 0 80px;
    overflow-y: auto;
    height: calc(100vh - 60px);
}

.notif-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    cursor: pointer;
    transition: background 0.2s;
}

.notif-item.unread {
    background: rgba(255, 44, 85, 0.06);
    border-left: 3px solid var(--accent-color);
}

.notif-item:active {
    background: rgba(255,255,255,0.05);
}

.notif-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.notif-body {
    flex: 1;
}

.notif-body p {
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.notif-body small {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.notif-thumb {
    width: 46px;
    height: 62px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    background: rgba(255,255,255,0.1);
}

.loading-state, .empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-secondary);
}

/* Bottom Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 60px;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.08);
    z-index: 100;
}

.bottom-nav .nav-item {
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px 14px;
    opacity: 0.5;
}

.bottom-nav .nav-item.active { opacity: 1; }

.bottom-nav .add-btn {
    background: linear-gradient(45deg, #20D5EC, var(--accent-color));
    border-radius: 10px;
    opacity: 1;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    padding: 4px 14px;
}

/* Light mode */
:root.light-mode .notif-item.unread {
    background: rgba(255,44,85,0.05);
}