/**
 * CyberGlass 登录页定制样式
 *
 * 覆盖 WordPress wp-login.php 默认样式，打造赛博朋克毛玻璃登录体验。
 * NOTE: 通过 login_enqueue_scripts 钩子注入，仅在登录页生效。
 */

/* ========== 全局重置 & 背景 ========== */
body.login {
    background-color: #0a0a0f !important;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px) !important;
    background-size: 60px 60px !important;
    background-attachment: fixed !important;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    display: flex !important;
    align-items: center !important; /* 保留垂直居中 */
    justify-content: center !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
    overflow-y: auto !important; /* 允许垂直滚动 */
    padding: 2rem 0 !important; /* 增加上下内边距防止贴边 */
    box-sizing: border-box !important;
}

/* 修复 Flex 容器内元素过高导致顶部被裁切的 bug */
.login #login {
    margin: auto !important;
    padding: 2rem 0 !important;
}

/* 深空背景极光效果 */
body.login::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(178, 75, 243, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 42, 109, 0.05) 0%, transparent 50%);
    animation: loginAuroraDrift 20s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes loginAuroraDrift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(3%, -2%) rotate(1deg); }
    66% { transform: translate(-2%, 3%) rotate(-1deg); }
}

/* 星点层 */
body.login::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.5) 50%, transparent 100%),
        radial-gradient(1.5px 1.5px at 30% 70%, rgba(0, 240, 255, 0.4) 50%, transparent 100%),
        radial-gradient(1px 1px at 50% 40%, rgba(255, 255, 255, 0.4) 50%, transparent 100%),
        radial-gradient(1px 1px at 70% 15%, rgba(178, 75, 243, 0.35) 50%, transparent 100%),
        radial-gradient(1.5px 1.5px at 90% 60%, rgba(255, 255, 255, 0.45) 50%, transparent 100%);
    z-index: 0;
    pointer-events: none;
    animation: loginStarTwinkle 4s ease-in-out infinite;
}

@keyframes loginStarTwinkle {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ========== Logo 区域 ========== */
.login h1 {
    position: relative;
    z-index: 1;
}

.login h1 a {
    background-image: none !important;
    width: auto !important;
    height: auto !important;
    font-family: "Orbitron", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    color: rgba(255, 255, 255, 0.92) !important;
    text-indent: 0 !important;
    letter-spacing: 0.1em !important;
    text-transform: uppercase !important;
    text-shadow:
        0 0 10px rgba(0, 240, 255, 0.5),
        0 0 30px rgba(0, 240, 255, 0.2),
        0 0 60px rgba(0, 240, 255, 0.1) !important;
    padding: 0 !important;
    margin-bottom: 1.5rem !important;
    display: block !important;
    text-align: center !important;
}

/* ========== 登录表单卡片 ========== */
#loginform,
#registerform,
#lostpasswordform {
    position: relative;
    z-index: 1;
    background: rgba(20, 20, 40, 0.55) !important;
    backdrop-filter: blur(16px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 16px !important;
    padding: 2rem !important;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
    transition: border-color 300ms ease, box-shadow 300ms ease !important;
}

#loginform:hover,
#registerform:hover,
#lostpasswordform:hover {
    border-color: rgba(255, 255, 255, 0.15) !important;
    box-shadow:
        0 0 20px rgba(0, 240, 255, 0.1),
        0 8px 32px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* 底部霓虹线 */
#loginform::after,
#registerform::after,
#lostpasswordform::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00f0ff, #b24bf3, #ff2a6d, transparent);
    opacity: 0.4;
    border-radius: 0 0 16px 16px;
}

/* ========== 表单 Label ========== */
.login label {
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    letter-spacing: 0.02em !important;
}

/* ========== 输入框 ========== */
.login input[type="text"],
.login input[type="password"],
.login input[type="email"] {
    width: 100% !important;
    padding: 0.75rem 1rem !important;
    background: rgba(0, 240, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 12px !important;
    color: rgba(255, 255, 255, 0.92) !important;
    font-size: 0.875rem !important;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    transition: border-color 150ms ease, box-shadow 150ms ease !important;
    min-height: 44px !important;
    margin-top: 0.25rem !important;
}

.login input[type="text"]:focus,
.login input[type="password"]:focus,
.login input[type="email"]:focus {
    border-color: #00f0ff !important;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.2) !important;
    outline: none !important;
    background: rgba(0, 240, 255, 0.08) !important;
}

.login input[type="text"]::placeholder,
.login input[type="password"]::placeholder,
.login input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.35) !important;
}

/* ========== 登录按钮 ========== */
.login .button-primary,
#wp-submit {
    width: 100% !important;
    padding: 0.5rem 1.5rem !important;
    background: rgba(0, 240, 255, 0.15) !important;
    color: #00f0ff !important;
    border: 1px solid rgba(0, 240, 255, 0.4) !important;
    border-radius: 10px !important;
    font-weight: 600 !important;
    font-size: 0.8rem !important;
    font-family: "Orbitron", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    letter-spacing: 0.05em !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
    transition: all 300ms ease !important;
    min-height: 38px !important;
    text-shadow: none !important;
    box-shadow: none !important;
    margin-top: 0.5rem !important;
    position: relative !important;
    z-index: 10 !important;
    pointer-events: auto !important;
}

.login .button-primary:hover,
#wp-submit:hover {
    background: rgba(0, 240, 255, 0.25) !important;
    box-shadow:
        0 0 8px rgba(0, 240, 255, 0.4),
        0 0 20px rgba(0, 240, 255, 0.2) !important;
    color: #fff !important;
    text-shadow: 0 0 8px #00f0ff !important;
}

.login .button-primary:focus,
#wp-submit:focus {
    outline: 2px solid #00f0ff !important;
    outline-offset: 2px !important;
    box-shadow:
        0 0 8px rgba(0, 240, 255, 0.4),
        0 0 20px rgba(0, 240, 255, 0.2) !important;
}

/* ========== 记住密码 & 其他链接 ========== */
.login .forgetmenot label {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 0.8rem !important;
}

.login .forgetmenot input[type="checkbox"] {
    accent-color: #00f0ff !important;
}

.login #nav,
.login #backtoblog {
    position: relative;
    z-index: 1;
    text-align: center !important;
    padding: 0.75rem 0 !important;
}

.login #nav a,
.login #backtoblog a {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 0.8rem !important;
    transition: color 150ms ease, text-shadow 150ms ease !important;
}

.login #nav a:hover,
.login #backtoblog a:hover {
    color: #00f0ff !important;
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.6) !important;
}

/* ========== 错误/通知消息 ========== */
.login .message,
.login #login_error {
    position: relative;
    z-index: 1;
    border-radius: 12px !important;
    border: 1px solid !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.85rem !important;
    margin: 0 0 1rem !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

.login .message {
    background: rgba(0, 240, 255, 0.08) !important;
    border-color: rgba(0, 240, 255, 0.3) !important;
    color: #00f0ff !important;
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.08) !important;
}

.login #login_error {
    background: rgba(255, 42, 109, 0.08) !important;
    border-color: rgba(255, 42, 109, 0.3) !important;
    color: #ff6ec7 !important;
    box-shadow: 0 0 12px rgba(255, 42, 109, 0.08) !important;
}

.login #login_error a {
    color: #ff6ec7 !important;
}

/* ========== 隐藏默认 WP 样式残留 ========== */
.login form .input,
.login input[type="text"] {
    background-color: transparent !important;
}

.wp-core-ui .button-group.button-large .button,
.wp-core-ui .button.button-large {
    min-height: 38px !important;
}

/* 隐藏语言切换器 */
.language-switcher {
    display: none !important;
}

/* ========== 响应式 ========== */
@media (max-width: 767px) {
    .login h1 a {
        font-size: 1.5rem !important;
    }

    #loginform,
    #registerform,
    #lostpasswordform {
        padding: 1.5rem !important;
        margin: 0 1rem !important;
    }
}

/* ========== 减少动效偏好 ========== */
@media (prefers-reduced-motion: reduce) {
    body.login::before {
        animation: none !important;
    }
    body.login::after {
        animation: none !important;
    }
}

/* ==========================================================================
   浅色模式
   NOTE: 通过 html[data-theme="light"] 选择器覆盖暗色默认值。
   登录页主题检测脚本通过 login_head 钩子注入，读取 localStorage。
   ========================================================================== */

[data-theme="light"] body.login {
    background-color: #f0f2f5 !important;
    background-image:
        linear-gradient(rgba(0, 120, 200, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 120, 200, 0.04) 1px, transparent 1px) !important;
}

/* 浅色极光：柔和渐变 */
[data-theme="light"] body.login::before {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 150, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(140, 80, 240, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 100, 150, 0.06) 0%, transparent 50%) !important;
}

/* 浅色星点：更淡 */
[data-theme="light"] body.login::after {
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(0, 100, 200, 0.2) 50%, transparent 100%),
        radial-gradient(1.5px 1.5px at 30% 70%, rgba(140, 80, 240, 0.15) 50%, transparent 100%),
        radial-gradient(1px 1px at 50% 40%, rgba(0, 100, 200, 0.15) 50%, transparent 100%),
        radial-gradient(1px 1px at 70% 15%, rgba(140, 80, 240, 0.12) 50%, transparent 100%),
        radial-gradient(1.5px 1.5px at 90% 60%, rgba(0, 100, 200, 0.18) 50%, transparent 100%) !important;
    opacity: 0.5 !important;
}

/* Logo */
[data-theme="light"] .login h1 a {
    color: rgba(20, 20, 40, 0.9) !important;
    text-shadow:
        0 0 10px rgba(0, 120, 200, 0.3),
        0 0 30px rgba(0, 120, 200, 0.1) !important;
}

/* 表单卡片 */
[data-theme="light"] #loginform,
[data-theme="light"] #registerform,
[data-theme="light"] #lostpasswordform {
    background: rgba(255, 255, 255, 0.7) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
}

[data-theme="light"] #loginform:hover,
[data-theme="light"] #registerform:hover,
[data-theme="light"] #lostpasswordform:hover {
    border-color: rgba(0, 120, 200, 0.2) !important;
    box-shadow:
        0 0 20px rgba(0, 120, 200, 0.08),
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
}

/* 底部霓虹线 */
[data-theme="light"] #loginform::after,
[data-theme="light"] #registerform::after,
[data-theme="light"] #lostpasswordform::after {
    background: linear-gradient(90deg, transparent, #0096ff, #8c50f0, #ff6496, transparent) !important;
    opacity: 0.5 !important;
}

/* Label */
[data-theme="light"] .login label {
    color: rgba(20, 20, 40, 0.75) !important;
}

/* 输入框 */
[data-theme="light"] .login input[type="text"],
[data-theme="light"] .login input[type="password"],
[data-theme="light"] .login input[type="email"] {
    background: rgba(0, 120, 200, 0.04) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    color: rgba(20, 20, 40, 0.9) !important;
}

[data-theme="light"] .login input[type="text"]:focus,
[data-theme="light"] .login input[type="password"]:focus,
[data-theme="light"] .login input[type="email"]:focus {
    border-color: #0096ff !important;
    box-shadow: 0 0 8px rgba(0, 150, 255, 0.2) !important;
    background: rgba(0, 120, 200, 0.06) !important;
}

[data-theme="light"] .login input[type="text"]::placeholder,
[data-theme="light"] .login input[type="password"]::placeholder,
[data-theme="light"] .login input[type="email"]::placeholder {
    color: rgba(20, 20, 40, 0.35) !important;
}

/* 登录按钮 */
[data-theme="light"] .login .button-primary,
[data-theme="light"] #wp-submit {
    background: rgba(0, 120, 200, 0.1) !important;
    color: #0078c8 !important;
    border: 1px solid rgba(0, 120, 200, 0.35) !important;
}

[data-theme="light"] .login .button-primary:hover,
[data-theme="light"] #wp-submit:hover {
    background: rgba(0, 120, 200, 0.18) !important;
    box-shadow:
        0 0 8px rgba(0, 120, 200, 0.3),
        0 0 20px rgba(0, 120, 200, 0.1) !important;
    color: #005a99 !important;
    text-shadow: none !important;
}

[data-theme="light"] .login .button-primary:focus,
[data-theme="light"] #wp-submit:focus {
    outline: 2px solid #0096ff !important;
    box-shadow:
        0 0 8px rgba(0, 120, 200, 0.3),
        0 0 20px rgba(0, 120, 200, 0.1) !important;
}

/* 记住密码 & 链接 */
[data-theme="light"] .login .forgetmenot label {
    color: rgba(20, 20, 40, 0.5) !important;
}

[data-theme="light"] .login .forgetmenot input[type="checkbox"] {
    accent-color: #0096ff !important;
}

[data-theme="light"] .login #nav a,
[data-theme="light"] .login #backtoblog a {
    color: rgba(20, 20, 40, 0.5) !important;
}

[data-theme="light"] .login #nav a:hover,
[data-theme="light"] .login #backtoblog a:hover {
    color: #0078c8 !important;
    text-shadow: 0 0 6px rgba(0, 120, 200, 0.3) !important;
}

/* 成功消息 */
[data-theme="light"] .login .message {
    background: rgba(0, 150, 255, 0.06) !important;
    border-color: rgba(0, 150, 255, 0.25) !important;
    color: #0078c8 !important;
    box-shadow: 0 0 12px rgba(0, 150, 255, 0.05) !important;
}

/* 错误消息 */
[data-theme="light"] .login #login_error {
    background: rgba(220, 40, 80, 0.06) !important;
    border-color: rgba(220, 40, 80, 0.25) !important;
    color: #c82040 !important;
    box-shadow: 0 0 12px rgba(220, 40, 80, 0.05) !important;
}

[data-theme="light"] .login #login_error a {
    color: #c82040 !important;
}

/* 隐藏默认背景 */
[data-theme="light"] .login form .input,
[data-theme="light"] .login input[type="text"] {
    background-color: transparent !important;
}