/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');
    background-size: 20px 20px;
}

/* 液态玻璃效果容器 */
.glass-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* 按钮样式 */
.glass-button {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    padding: 10px 20px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.glass-button:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.glass-button.primary {
    background: rgba(52, 152, 219, 0.25);
    border-color: rgba(52, 152, 219, 0.35);
}

.glass-button.primary:hover {
    background: rgba(52, 152, 219, 0.35);
}

.glass-button.small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* 输入组样式 */
.input-group {
    margin-bottom: 20px;
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: white;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 16px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.input-group .hint {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
    font-style: italic;
}

.input-group textarea {
    min-height: 130px;
    resize: vertical;
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1), 0 0 0 2px rgba(255, 255, 255, 0.2);
}

/* 消息样式 */
.success-message {
    background: rgba(46, 204, 113, 0.18);
    border: 1px solid rgba(46, 204, 113, 0.25);
    color: #2ecc71;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    font-weight: 500;
}

.success-message i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.error-message {
    background: rgba(231, 76, 60, 0.18);
    border: 1px solid rgba(231, 76, 60, 0.25);
    color: #e74c3c;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    font-weight: 500;
}

.error-message i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    position: relative;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.close {
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 28px;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.close:hover {
    color: #e74c3c;
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .glass-container {
        padding: 15px;
    }
    
    .glass-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .card-table {
        display: block;
        overflow-x: auto;
    }
    
    .action-cell {
        flex-wrap: wrap;
    }
    
    .glass-button {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .card-form-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .glass-button {
        width: 100%;
        justify-content: center;
    }
}