/* ============================================
   Portal Nav - Notification Button + User Profile
   ============================================ */

/* Notification bell button */
.nav-notification-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--nav-hover);
    color: var(--nav-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.nav-notification-btn:hover {
    background: var(--nav-hover);
    border-color: var(--nav-active);
}

.nav-notification-icon {
    width: 18px;
    height: 18px;
    color: var(--nav-text);
    opacity: 0.85;
}

.nav-notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-pill);
    background: var(--danger);
    color: #FFFFFF;
    font-size: 0.68rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 0 0 0 2px var(--nav-bg);
}

/* User profile */
.nav-user-profile {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--gradient-accent);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: -0.02em;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    text-decoration: none;
}

.nav-user-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* User dropdown */
.nav-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.nav-user-profile:hover .nav-user-dropdown,
.nav-user-profile:focus-within .nav-user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-user-dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.6rem var(--space-md);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-family);
}

.nav-user-dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.nav-user-logout {
    color: var(--danger);
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-xs);
    padding-top: 0.6rem;
}

.nav-user-logout:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* ============================================
   Notification Sidebar (Right Drawer)
   ============================================ */

.notif-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.notif-overlay.active {
    opacity: 1;
    visibility: visible;
}

.notif-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    max-width: 90vw;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    z-index: 1200;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition);
}

.notif-sidebar.open {
    transform: translateX(0);
}

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

.notif-sidebar-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.notif-sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notif-sidebar-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notif-sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

/* Notification item */
.notif-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    margin-bottom: var(--space-xs);
}

.notif-item:hover {
    background: var(--bg-tertiary);
}

.notif-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.notif-item-icon--info {
    background: var(--info-light);
    color: var(--info);
}

.notif-item-icon--success {
    background: var(--success-light);
    color: var(--success);
}

.notif-item-icon--warning {
    background: var(--warning-light);
    color: var(--warning);
}

.notif-item-icon--danger {
    background: var(--danger-light);
    color: var(--danger);
}

.notif-item-content {
    flex: 1;
    min-width: 0;
}

.notif-item-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.notif-item-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.notif-item-time {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.notif-item-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.notif-item-progress-bar {
    flex: 1;
    height: 6px;
    border-radius: var(--radius-pill);
    background: var(--bg-tertiary);
    overflow: hidden;
}

.notif-item-progress-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}

.notif-item-progress-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.notif-item-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.notif-item-link:hover {
    opacity: 0.8;
}

/* Notification empty state */
.notif-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--text-muted);
    text-align: center;
    gap: var(--space-md);
}

.notif-empty svg {
    opacity: 0.3;
}

.notif-empty p {
    font-size: 0.9rem;
}

/* Settings inside user dropdown (mobile) */
.nav-user-dropdown-settings {
    display: none;
    flex-direction: column;
    gap: var(--space-sm);
    padding: 0.6rem var(--space-md);
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-xs);
}

.nav-user-dropdown-settings .nav-select {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.82rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Show mobile screen title */
    .nav-screen-title {
        display: block;
    }

    /* Hide settings pill on mobile (moved to avatar dropdown) */
    .nav-settings-pill {
        display: none;
    }

    /* Show settings inside dropdown on mobile */
    .nav-user-dropdown-settings {
        display: flex;
    }

    /* Hide brand on mobile (logo + text) */
    .nav-brand {
        display: none;
    }

    .nav-user-dropdown {
        position: fixed;
        top: 56px;
        right: var(--space-md);
        left: auto;
        min-width: 200px;
    }

    .notif-sidebar {
        width: 100vw;
        max-width: 100vw;
    }

    /* Bottom Navigation Bar */
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
        z-index: 100;
        justify-content: space-around;
        align-items: center;
        padding: 0 env(safe-area-inset-bottom, 0);
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        flex: 1;
        height: 100%;
        color: var(--text-muted);
        font-size: 0.68rem;
        font-weight: 600;
        text-decoration: none;
        transition: color var(--transition-fast);
        -webkit-tap-highlight-color: transparent;
    }

    .bottom-nav-item svg {
        opacity: 0.6;
        transition: opacity var(--transition-fast);
    }

    .bottom-nav-item.active {
        color: var(--accent-primary);
    }

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

    .bottom-nav-item:active {
        color: var(--accent-primary);
    }

    /* Add bottom padding so content isn't hidden behind bottom nav */
    .main-content {
        padding-bottom: 64px !important;
    }

    /* Hide footer on mobile (bottom nav replaces it) */
    .site-footer {
        display: none;
    }
}