/* ============================================
   BUTTONS
   ============================================ */

/* Theme Toggle */
.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
    cursor: pointer;
    font-size: 1.5rem;
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-bounce);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.toggle-icon {
    transition: transform var(--transition-base);
}

/* Social Links */
.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
    transition: all var(--transition-bounce);
}

.social-link:hover {
    background: var(--accent-primary);
    color: #000000;
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(0, 255, 136, 0.3);
}

/* Auth Buttons */
.auth-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-bounce);
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
}

.auth-btn:hover {
    background: var(--accent-primary);
    color: #000000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.auth-btn.sign-up {
    background: var(--accent-gradient);
    color: #000000;
    border: none;
}

.auth-btn.sign-up:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Filter Buttons */
.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-bounce);
}

.filter-btn:hover {
    background: var(--accent-primary);
    color: #000000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.filter-btn.active {
    background: var(--accent-gradient);
    color: #000000;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

/* PWA Install Buttons */
.pwa-install-btn,
.pwa-dismiss-btn {
    flex: 1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-bounce);
    font-size: 0.95rem;
    border: none;
}

.pwa-install-btn {
    background: var(--accent-gradient);
    color: #000000;
}

.pwa-install-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.pwa-dismiss-btn {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.pwa-dismiss-btn:hover {
    background: var(--bg-tertiary);
}

/* Responsive Buttons */
@media (max-width: 640px) {

    .social-link,
    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }

    .auth-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .filter-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
}