/* AI工具资料修改页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 主容器 */
.aitool-modify-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a2a3a 0%, #0f2a3a 100%);
    padding: 2rem;
    position: relative;
}

/* 卡片样式 */
.aitool-modify-card {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(25, 45, 65, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 2rem;
    border: 1px solid rgba(255, 165, 0, 0.3);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 165, 0, 0.1);
    overflow: hidden;
}

/* 卡片头部 */
.card-header {
    background: linear-gradient(135deg, rgba(255, 100, 0, 0.4), rgba(255, 140, 0, 0.2));
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 165, 0, 0.5);
    text-align: center;
}

.card-header h2 {
    color: #ffaa44;
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 0 10px rgba(255, 165, 0, 0.5);
}

.card-header p {
    color: #ffdd99;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* 卡片主体 */
.card-body {
    padding: 2rem;
}

/* 表单分组 */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

.form-group label {
    width: 130px;
    color: #ffdd99;
    font-weight: 500;
    padding-top: 0.5rem;
    font-size: 0.95rem;
}

.form-group label .required {
    color: #ff6b6b;
    margin-left: 2px;
}

.form-group .form-control,
.form-group .form-select {
    flex: 1;
    min-width: 200px;
    background: rgba(40, 60, 80, 0.8);
    border: 1px solid rgba(255, 165, 0, 0.3);
    border-radius: 0.75rem;
    padding: 0.6rem 1rem;
    color: #ffffff;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group .form-control:focus,
.form-group .form-select:focus {
    outline: none;
    border-color: #ffaa44;
    box-shadow: 0 0 10px rgba(255, 170, 68, 0.3);
    background: rgba(60, 90, 120, 0.9);
}

.form-group .form-control::placeholder {
    color: #88aacc;
    opacity: 0.6;
}

.form-group .form-control[readonly] {
    background: rgba(30, 50, 70, 0.6);
    cursor: default;
}

/* 文本域 */
textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* 平台填写区域 */
.platform-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px dashed rgba(255, 165, 0, 0.3);
    position: relative;
}

.platform-section::before {
    content: "以下由平台填写";
    position: absolute;
    top: -12px;
    left: 20px;
    background: rgba(25, 45, 65, 0.9);
    padding: 0 10px;
    color: #ffaa66;
    font-size: 0.85rem;
}

.platform-section .form-group label {
    color: #ffaa66;
}

.platform-section .form-control {
    background: rgba(40, 40, 60, 0.6);
    cursor: not-allowed;
}

/* 按钮组 */
.button-group {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 1rem;
}

.btn {
    padding: 0.7rem 2rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-submit {
    background: linear-gradient(135deg, #ffaa44, #ff8800);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 100, 0, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 136, 0, 0.4);
}

.btn-cancel {
    background: rgba(100, 100, 120, 0.6);
    color: #ddddff;
    border: 1px solid rgba(200, 200, 255, 0.3);
}

.btn-cancel:hover {
    background: rgba(120, 120, 140, 0.8);
}

.btn-return {
    background: rgba(0, 0, 0, 0.5);
    color: #ffaa66;
    border: 1px solid #ffaa44;
}

.btn-return:hover {
    background: #cc7700;
    color: white;
}

/* 输入框验证样式 */
.form-control.is-valid {
    border-color: #28a745 !important;
}

.form-control.is-invalid {
    border-color: #dc3545 !important;
}

/* 提示信息 */
.toast-message {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #ffaa66;
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    z-index: 1100;
    animation: fadeOut 3s forwards;
}

@keyframes fadeOut {
    0% { opacity: 1; }
    70% { opacity: 1; }
    100% { opacity: 0; visibility: hidden; }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .aitool-modify-container {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group label {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .form-group .form-control,
    .form-group .form-select {
        width: 100%;
    }
    
    .button-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
}