/* 登录页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 20px;
    z-index: 1;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 10px 30px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    padding: 40px 36px;
    position: relative;
    z-index: 2;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #0093B5, #00C897);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    box-shadow: 0 8px 24px rgba(0, 147, 181, 0.35);
}

.logo-title {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #0093B5, #00C897);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 13px;
    color: #888;
    letter-spacing: 4px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: #444;
    display: flex;
    align-items: center;
    gap: 6px;
}

.label-icon {
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    height: 46px;
    padding: 0 16px;
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.25s ease;
    background: #fafafa;
    outline: none;
}

.form-group input:focus {
    border-color: #0093B5;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 147, 181, 0.12);
}

.form-group input::placeholder {
    color: #bbb;
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    padding-right: 48px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.6;
    transition: opacity 0.2s;
    padding: 4px;
}

.toggle-password:hover {
    opacity: 1;
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #0093B5;
    cursor: pointer;
}

.error-msg {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    color: #cf1322;
    text-align: center;
}

.login-btn {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, #0093B5, #00C897);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(0, 147, 181, 0.35);
    position: relative;
    overflow: hidden;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 147, 181, 0.45);
}

.login-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 147, 181, 0.3);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.login-footer p {
    font-size: 12px;
    color: #aaa;
}

.login-bg-decoration {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: white;
    top: -150px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.circle-2 {
    width: 300px;
    height: 300px;
    background: white;
    bottom: -100px;
    left: -80px;
    animation: float 10s ease-in-out infinite reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    background: white;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

@media (max-width: 480px) {
    .login-container {
        padding: 16px;
    }
    
    .login-card {
        padding: 32px 24px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }
    
    .logo-title {
        font-size: 24px;
    }
}