/* 登录页面样式 */

.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 50%, #1E40AF 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
    opacity: 0.3;
}

.login-card {
    background: white;
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-md);
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
}

.role-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: var(--bg-light);
    padding: 6px;
    border-radius: 12px;
}

.role-tab {
    flex: 1;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-weight: 600;
    position: relative;
}

.role-tab:hover {
    color: var(--primary-color);
    background: rgba(30, 58, 138, 0.05);
}

.role-tab.active {
    color: var(--primary-color);
    background: white;
    box-shadow: var(--shadow-sm);
}

.upload-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.upload-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.upload-item {
    margin-bottom: 16px;
}

.upload-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.upload-input-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.upload-input {
    width: 100%;
    padding: 10px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background: var(--bg-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-input:hover {
    border-color: var(--primary-color);
    background: #F0F7FF;
}

.upload-preview {
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    margin-top: 10px;
}