/* CSS for the Login Popup (Restored) */
.login-popup-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px);
    display: none; align-items: center; justify-content: center;
    z-index: 2000; animation: fadeIn 0.3s ease;
}
.login-popup-content {
    background: var(--surface-light); padding: var(--spacing-2xl);
    border-radius: var(--radius-xl); box-shadow: var(--shadow-xl);
    width: 100%; max-width: 420px; text-align: center;
    position: relative; animation: slideUp 0.4s ease;
}
.login-popup-close-btn {
    position: absolute; top: 16px; right: 16px; background: none;
    border: none; font-size: 1.5rem; color: var(--text-muted); cursor: pointer;
    padding: 5px;
}
.login-popup-icon { margin-bottom: var(--spacing-lg); }
.login-popup-title {
    font-size: 1.5rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}
.login-popup-subtitle { color: var(--text-secondary); margin-bottom: var(--spacing-xl); }
.login-popup-google-btn {
    display: flex; align-items: center; justify-content: center;
    gap: var(--spacing-md); width: 100%; padding: var(--spacing-md);
    background: var(--surface-light); color: var(--text-primary);
    border: 1px solid var(--neutral-300); border-radius: var(--radius-md);
    font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease;
}
.login-popup-google-btn:hover { background: var(--surface-medium); }
.login-popup-terms { font-size: 0.8rem; color: var(--text-muted); margin-top: var(--spacing-lg); }
@media (max-width: 768px) {
    #login-popup-modal { align-items: flex-end; }
    #login-popup-modal .login-popup-content {
        max-width: 100%; border-bottom-left-radius: 0; border-bottom-right-radius: 0;
        animation: slideUpFromBottom 0.4s ease;
    }
    @keyframes slideUpFromBottom { from { transform: translateY(100%); } to { transform: translateY(0); } }
}

/* === NEW SIDEBAR STYLES === */
.sidebar-header {
    background: var(--surface-light);
    border-bottom: 1px solid var(--neutral-200);
    padding: var(--spacing-md) var(--spacing-lg);
}
.sidebar-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    justify-content: center;
}
.sidebar-footer {
    padding: var(--spacing-md);
    margin-top: auto;
    border-top: 1px solid var(--neutral-200);
}
.sidebar-actions {
    margin-bottom: var(--spacing-md);
}
.sidebar-action-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.sidebar-action-item:hover {
    background-color: var(--surface-medium);
    color: var(--text-primary);
}
.user-profile-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background-color: var(--surface-medium);
}
.user-avatar {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    position: relative;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 600;
    overflow: hidden;
}
.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}
.user-avatar .avatar-initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-transform: uppercase;
}
.user-details {
    flex-grow: 1;
    min-width: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.logout-button {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.logout-button:hover {
    background-color: var(--neutral-200);
    color: var(--accent-error);
}

/* --- Profile Menu Styles --- */
.profile-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    width: 100%;
    background: var(--surface-light);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    z-index: 1001;
}
#profile-container:hover .profile-menu, .profile-menu.show {
    display: block;
}
.menu-plan-display {
    background-color: var(--surface-medium);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--neutral-200);
}
.plan-badge {
    display: inline-block;
    background-color: var(--accent-primary-light);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}
.plan-queries {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}
.plan-queries strong {
    color: var(--text-primary);
    font-weight: 600;
}
.menu-upgrade-button {
    display: block;
    width: 100%;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-md);
    border: none;
}
.menu-upgrade-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.95;
}
.menu-header {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-200);
    margin-bottom: var(--spacing-md);
}
.menu-username {
    font-weight: 600;
    color: var(--text-primary);
}
.menu-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
}
.menu-plan-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}
.menu-plan-name {
    font-weight: 500;
}
.menu-upgrade-btn {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
}
.menu-credits-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}
.menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.menu-links a {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
}
.menu-links a:hover {
    color: var(--text-primary);
}
.menu-toggle-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    color: var(--text-secondary);
}

/* === Custom Notification Styles === */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.notification {
    background: var(--surface-light);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    max-width: 350px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
.notification.show {
    opacity: 1;
    transform: translateX(0);
}
.notification.hide {
    opacity: 0;
    transform: translateX(100%);
}
.notification.success { border-left-color: var(--accent-success); }
.notification.error { border-left-color: var(--accent-error); }
.notification.info { border-left-color: var(--accent-info); }
.notification-message {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.5;
}

/* Inline Spinner & Login Prompt */
.inline-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-primary);
    border-top-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: spin 0.8s linear infinite;
}
@keyframes inline-spin {
    0% { transform: scale(0.8); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.5; }
    100% { transform: scale(0.8); opacity: 1; }
}
.login-prompt-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--surface-medium);
    border: 2px dashed var(--neutral-300);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}
.login-prompt-btn:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-secondary);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.login-prompt-btn svg { transition: transform 0.2s ease-in-out; }
.login-prompt-btn:hover svg { transform: translateX(3px); }
.delete-btn.deleting svg { display: none; }

/* Pricing Modal */
.pricing-grid-modal {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}
.pricing-card {
    background: var(--surface-light);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}
.pricing-card.featured {
    border: 2px solid var(--accent-primary);
    transform: scale(1.05);
}
.popular-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent-primary);
    color: var(--text-white);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
}
.pricing-card h4 { font-size: 1.5rem; font-weight: 700; }
.pricing-card .price { font-size: 2.2rem; font-weight: 800; margin: 0.5rem 0; }
.pricing-card .price.price-featured { font-size: 2.5rem; }
.pricing-card .price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.pricing-features { list-style: none; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.8rem; flex-grow: 1; }
.pricing-features li { display: flex; align-items: center; gap: 0.75rem; color: var(--text-secondary); }
.pricing-features .icon { color: var(--accent-success); }
.btn-pricing {
    display: block; width: 100%; text-align: center;
    padding: 0.9rem 1.5rem; border-radius: var(--radius-md);
    font-weight: 600; text-decoration: none; transition: all 0.3s ease;
}
.btn-pricing.disabled {
    background-color: var(--accent-success);
    color: var(--text-white);
    cursor: default;
    opacity: 0.8;
}
.btn-pricing-neutral {
    background-color: var(--neutral-200); color: var(--text-primary);
}
.btn-pricing-neutral:not(.disabled):hover { background-color: var(--neutral-300); }
.btn-pricing-accent {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-white);
}
.btn-pricing-accent:not(.disabled):hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

@media (max-width: 950px) {
    #pricing-modal-overlay { align-items: center; }
    #pricing-modal-overlay .login-popup-content {
        max-width: 90%;
        max-height: 85vh;
        overflow-y: auto;
        padding: 1.5rem;
        animation: slideUp 0.4s ease;
    }
    .pricing-grid-modal { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: scale(1); }
}

/* Theme Toggle */
.theme-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.theme-switch input { display: none; }
.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--neutral-300);
    transition: .3s;
    border-radius: 24px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}
input:checked + .slider { background-color: var(--accent-primary); }
input:checked + .slider:before { transform: translateX(20px); }

/* Logo & Button Styles */
.delete-channel-btn { background: linear-gradient(135deg, #ff9a5600 0%, #ff8c4200 100%); }
.logo-dark { display: none; }
.logo-light { display: block; }
html[data-theme='dark'] .logo-dark { display: block; }
html[data-theme='dark'] .logo-light { display: none; }
html[data-theme='dark'] .menu-toggle-option { color: var(--text-secondary); }

/* Spinners & Plan Badges */
.button-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-top-color: #ffffff;
    border-radius: 50%;
    display: inline-block;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}
.btn-pricing, .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
@keyframes spin { to { transform: rotate(360deg); } }
.user-plan {
    font-size: 0.75rem;
    font-weight: 500;
    display: block;
    background-color: var(--accent-primary-light);
    color: var(--accent-primary);
}
.user-plan[data-plan="free"] { color: #6b7280; }
.user-plan[data-plan="personal"] { color: #3b82f6; }
.user-plan[data-plan="creator"] { color: #f59e0b; }

/* === DARK MODE & SIDEBAR FIXES === */
html[data-theme='dark'] .channel-item-wrapper:hover {
    background-color: var(--neutral-200);
}
html[data-theme='dark'] .channel-item-wrapper:hover .channel-link {
    color: var(--neutral-900);
}
html[data-theme='dark'] .channel-item-wrapper:hover .delete-btn {
    color: var(--text-secondary);
}
html[data-theme='dark'] .channel-item-wrapper:hover .delete-btn:hover {
    background-color: var(--neutral-300);
    color: var(--accent-error);
}
.sidebar-actions-section a.sidebar-action-item {
    position: relative;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background-color: white;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}
.sidebar-actions-section a.sidebar-action-item:hover {
    border-color: var(--neutral-300);
    color: var(--text-primary);
}
.sidebar-actions-section a.sidebar-action-item.active {
    background-color: var(--surface-medium);
    color: var(--text-primary);
    font-weight: 600;
    border-color: var(--neutral-300);
}
.sidebar-actions-section a.sidebar-action-item.active::before {
    content: none;
}
html[data-theme='dark'] .sidebar-action-item {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
}
html[data-theme='dark'] .sidebar-action-item:hover {
    background-color: var(--surface-light);
    color: var(--text-primary);
}
html[data-theme='dark'] .sidebar-action-item.active {
    background-color: var(--accent-primary);
    color: var(--text-white);
    font-weight: 600;
}