/* ========== 基础重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", sans-serif;
    color: #1A75A6;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* ========== 背景图全屏 - 宽度优先铺满 ========== */
.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
}

.login-bg img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
    object-position: right bottom;
    display: block;
}

/* ========== 登录容器 - 屏幕居中 ========== */
.login-container {
    position: fixed;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 380px;
}

/* ========== 登录卡片 - 毛玻璃效果 ========== */
.login-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 22px 36px 22px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ========== Logo - 宽度与输入框一致 ========== */
.logo-wrapper {
    text-align: center;
    margin-bottom: 24px;
}

.logo {
    width: 100%;
    object-fit: contain;
}

/* ========== 欢迎文字 ========== */
.welcome-text {
    text-align: center;
    font-size: 14px;
    color: #1A75A6;
    opacity: 0.75;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ========== 输入框组 ========== */
.input-group {
    position: relative;
    margin-bottom: 10px;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.input-group input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1.5px solid rgba(26, 117, 166, 0.2);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: #333;
    background: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    outline: none;
}

.input-group input::placeholder {
    color: rgba(26, 117, 166, 0.4);
}

.input-group input:focus {
    border-color: #1A75A6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(26, 117, 166, 0.1);
}

/* 密码可见切换按钮 */
.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: opacity 0.2s;
}

.toggle-password:hover {
    opacity: 0.6;
}

/* ========== 记住我 & 忘记密码 ========== */
.options-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    font-size: 13px;
}

.remember-me {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.remember-me input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 1.5px solid rgba(26, 117, 166, 0.35);
    border-radius: 5px;
    margin-right: 8px;
    position: relative;
    transition: all 0.2s;
    flex-shrink: 0;
}

.remember-me input[type="checkbox"]:checked + .checkmark {
    background: #1A75A6;
    border-color: #1A75A6;
}

.remember-me input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.remember-text {
    color: #1A75A6;
    opacity: 0.7;
}

/* 忘记密码 */
.forgot-wrapper {
    position: relative;
}

.forgot-link {
    color: #1A75A6;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.forgot-link:hover {
    opacity: 1;
}

.forgot-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background: rgba(26, 117, 166, 0.92);
    color: #fff;
    font-size: 12px;
    padding: 8px 14px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all 0.25s ease;
    pointer-events: none;
}

.forgot-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border: 6px solid transparent;
    border-top-color: rgba(26, 117, 166, 0.92);
}

.forgot-wrapper:hover .forgot-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ========== 登录按钮 ========== */
.login-btn {
    width: 100%;
    padding: 10px;
    background: #1A75A6;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    font-family: inherit;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    background: #1580B8;
    box-shadow: 0 4px 16px rgba(26, 117, 166, 0.35);
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(26, 117, 166, 0.25);
}

/* 按钮加载状态 */
.login-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.login-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    right: 20px;
    top: 50%;
    margin-top: -10px;
}

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

/* ========== 错误提示 ========== */
.error-msg {
    text-align: center;
    font-size: 13px;
    color: #e74c3c;
    margin-top: 8px;
    min-height: 0;
    transition: opacity 0.3s;
}

/* ========== 页脚 ========== */
.login-footer {
    position: fixed;
    bottom: 16px;
    right: 24px;
    z-index: 1;
    text-align: right;
    font-size: 14px;
    color: #fff;
    line-height: 1.8;
    opacity: 0.85;
}

.login-footer a {
    color: #fff;
    text-decoration: none;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.login-footer a:hover {
    opacity: 1;
}

/* ========== 移动端适配 ========== */
@media screen and (max-width: 768px) {
    .login-container {
        width: 90%;
        max-width: 380px;
    }

    .login-card {
        padding: 20px 28px 20px;
        background: rgba(255, 255, 255, 0.5);
    }

    .logo {
        width: 100%;
    }

    .welcome-text {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .input-group input {
        padding: 9px 14px 9px 38px;
        font-size: 14px;
    }

    .login-footer {
        font-size: 2.8vw;
        bottom: 10px;
        right: 4vw;
        text-align: center;
        left: 4vw;
    }

    .login-footer p {
        white-space: nowrap;
    }
}

@media screen and (max-width: 480px) {
    .login-container {
        width: 94%;
    }

    .login-card {
        padding: 20px 22px 20px;
        border-radius: 16px;
    }

    .login-footer {
        font-size: 2.5vw;
        bottom: 8px;
        right: 2vw;
        text-align: center;
        left: 2vw;
    }

    .login-footer p {
        white-space: nowrap;
    }
}

/* 公安备案图标 */
.login-footer a img {
    height: 16px;
    width: auto;
    vertical-align: middle;
    margin-right: 4px;
}