.main {
    min-height: calc(100vh - 80px);
    padding: 40px 20px;
    background: var(--bg-secondary);
}

.feedback-container {
    max-width: 800px;
    margin: 0 auto;
}

.feedback-header {
    text-align: center;
    margin-bottom: 50px;
}

.feedback-icon {
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.feedback-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.feedback-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.feedback-options {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feedback-option {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 30px;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feedback-option:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.option-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--bg-secondary);
}

.option-icon-email {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

.option-icon-feature {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
}

.option-icon-bug {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
}

.option-content {
    flex: 1;
}

.option-content h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.option-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.option-action {
    display: flex;
    align-items: center;
    gap: 12px;
}

.email-address {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: 8px;
}

.copy-btn {
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.copy-btn.copied {
    background: #10B981;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-link:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.feedback-tips {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-primary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.feedback-tips h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.feedback-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feedback-tips li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.feedback-tips li:last-child {
    border-bottom: none;
}

.tip-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .main {
        padding: 20px 15px;
    }

    .feedback-header h1 {
        font-size: 1.8rem;
    }

    .feedback-option {
        flex-direction: column;
        padding: 24px;
    }

    .option-icon {
        width: 64px;
        height: 64px;
    }

    .option-action {
        flex-wrap: wrap;
    }

    .email-address {
        font-size: 0.85rem;
    }
}

[data-theme="dark"] .feedback-option,
[data-theme="dark"] .feedback-tips {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .email-address {
    background: var(--bg-primary);
}

.recommend-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.recommend-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.recommend-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.recommend-modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transform: translateY(20px);
    transition: transform 0.2s ease;
}

.recommend-modal.open .recommend-modal-content {
    transform: translateY(0);
}

.recommend-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.recommend-modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.recommend-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.recommend-modal-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.recommend-modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group .required {
    color: #EF4444;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    .recommend-modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .recommend-modal-header,
    .recommend-modal-body {
        padding: 16px;
    }
}