/* ========================================
   知辰在线工具网 - 模态框和表单样式
   ======================================== */

/* ========================================
   模态框
   ======================================== */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.custom-modal.active {
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: rgba(15, 28, 63, 0.98);
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.custom-modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(0, 198, 255, 0.2);
}

.modal-header h3 {
    font-size: 20px;
    color: var(--accent);
    margin: 0;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: rgba(0, 198, 255, 0.1);
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: 50%;
    color: var(--accent);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 198, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
    max-height: calc(90vh - 100px);
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(0, 198, 255, 0.1);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

/* ========================================
   表单样式
   ======================================== */
.contribute-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-300);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 16px;
    background: rgba(0, 198, 255, 0.05);
    border: 1px solid rgba(0, 198, 255, 0.2);
    border-radius: 8px;
    color: var(--secondary);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 198, 255, 0.1);
    box-shadow: var(--glow-blue);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.submit-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    box-shadow: var(--glow-accent);
    transform: translateY(-2px);
}

/* ========================================
   收藏网格
   ======================================== */
.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.favorite-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: rgba(0, 198, 255, 0.05);
    border: 1px solid rgba(0, 198, 255, 0.2);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.favorite-item:hover {
    background: rgba(0, 198, 255, 0.1);
    transform: translateY(-3px);
}

.favorite-item .tool-icon {
    font-size: 32px;
}

.favorite-item .tool-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
    text-align: center;
}

.goto-btn {
    padding: 6px 16px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.goto-btn:hover {
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.4);
    transform: scale(1.05);
}

/* ========================================
   移动端菜单
   ======================================== */
.mobile-menu-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(15, 28, 63, 0.98);
    backdrop-filter: blur(30px);
    border-left: 1px solid rgba(0, 198, 255, 0.3);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 10001;
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu-drawer.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid rgba(0, 198, 255, 0.2);
}

.mobile-menu-header h3 {
    font-size: 18px;
    color: var(--accent);
    margin: 0;
}

.mobile-menu-close {
    width: 32px;
    height: 32px;
    background: rgba(0, 198, 255, 0.1);
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: 50%;
    color: var(--accent);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
    background: rgba(0, 198, 255, 0.2);
}

.mobile-menu-content {
    padding: 20px;
}

.mobile-menu-section {
    margin-bottom: 30px;
}

.mobile-menu-section h4 {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 198, 255, 0.2);
}

.mobile-menu-section a {
    display: block;
    padding: 10px 15px;
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    margin-bottom: 5px;
}

.mobile-menu-section a:hover {
    background: rgba(0, 198, 255, 0.1);
    color: var(--accent);
    transform: translateX(5px);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-width: none;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .favorites-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
    
    .favorite-item {
        padding: 15px;
    }
}