/* ============================================
   科技荧光风格 - 登录/注册页面
   ============================================ */

:root {
    --cyber-bg: #0a0a0f;
    --cyber-primary: #00ff00;
    --cyber-secondary: #00d4ff;
    --cyber-text: #e0e0e0;
    --cyber-text-muted: #888888;
    --glow-green: 0 0 10px #00ff00, 0 0 20px #00ff00;
    --glow-blue: 0 0 10px #00d4ff, 0 0 20px #00d4ff;
}

body {
    background: var(--cyber-bg) !important;
    background-image:
        radial-gradient(ellipse at top right, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at bottom left, rgba(0, 255, 0, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, #0a0a0f 0%, #0d0d15 100%) !important;
    min-height: 100vh;
}

/* 扫描线效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 0, 0.02) 2px,
        rgba(0, 255, 0, 0.02) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

/* 登录卡片容器 */
.auth-container,
.login-card,
.register-card,
.card {
    background: rgba(18, 18, 26, 0.95) !important;
    border: 1px solid rgba(0, 255, 0, 0.3) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(20px);
    box-shadow:
        0 0 40px rgba(0, 255, 0, 0.1),
        inset 0 1px 0 rgba(0, 255, 0, 0.1);
}

/* 标题 */
.auth-title,
.card-title,
h1, h2, h3, h4, h5 {
    color: var(--cyber-primary) !important;
    font-family: 'Courier New', monospace;
    text-shadow: var(--glow-green);
    letter-spacing: 2px;
}

/* 表单标签 */
label,
.form-label {
    color: var(--cyber-text-muted) !important;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    letter-spacing: 1px;
}

/* 修复 form-floating 文字重叠问题 - 隐藏 placeholder，只显示 label */
.form-floating > .form-control::placeholder,
.form-floating > .form-control::-webkit-input-placeholder,
.form-floating > .form-control::-moz-placeholder,
.form-floating > .form-control:-ms-input-placeholder {
    color: transparent !important;
    opacity: 0 !important;
}

.form-floating > label {
    color: var(--cyber-text-muted) !important;
    padding: 1rem 0.75rem !important;
    border: none !important;
    background: transparent !important;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.85 !important;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem) !important;
    color: var(--cyber-primary) !important;
    background: rgba(18, 18, 26, 0.95) !important;
    padding: 0 5px !important;
    height: auto !important;
}

/* 覆盖原始 _auth.css 样式 */
.form-floating > .form-control,
.form-floating > .form-control-plaintext {
    background-color: rgba(0, 255, 0, 0.05) !important;
    border: 1px solid rgba(0, 255, 0, 0.3) !important;
    color: #000000 !important;
}

.form-floating > label {
    color: var(--cyber-text-muted) !important;
}

/* 输入框 - 黑色文字 */
.form-control,
.form-floating .form-control,
.auth-card .form-control,
.auth-wrapper .form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
    background: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(0, 255, 0, 0.3) !important;
    color: #000000 !important;
    border-radius: 6px !important;
    transition: all 0.3s ease;
    -webkit-text-fill-color: #000000 !important;
}

/* form-floating 专用样式 */
.form-floating > .form-control {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-control:focus,
input:focus {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: var(--cyber-primary) !important;
    box-shadow: var(--glow-green) !important;
    outline: none !important;
    color: #000000 !important;
    -webkit-text-fill-color: #000000 !important;
}

.form-control::placeholder,
input::placeholder {
    color: var(--cyber-text-muted) !important;
}

/* 登录按钮 */
.btn-primary,
.btn-login,
.btn-register,
button[type="submit"] {
    background: transparent !important;
    border: 2px solid var(--cyber-primary) !important;
    color: var(--cyber-primary) !important;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 12px 24px !important;
    border-radius: 6px !important;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover,
.btn-login:hover,
.btn-register:hover,
button[type="submit"]:hover {
    background: var(--cyber-primary) !important;
    color: var(--cyber-bg) !important;
    box-shadow: var(--glow-green);
}

/* 按钮扫描效果 */
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* 链接 */
a {
    color: var(--cyber-secondary) !important;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--cyber-primary) !important;
    text-shadow: var(--glow-green);
}

/* 分隔线 */
hr {
    border-color: rgba(0, 255, 0, 0.2) !important;
}

/* 验证码 */
.captcha-img,
.captcha {
    border: 1px solid rgba(0, 255, 0, 0.3) !important;
    border-radius: 6px;
}

/* 错误提示 */
.error,
.invalid-feedback,
.alert-danger {
    color: #ff3366 !important;
    background: rgba(255, 51, 102, 0.1) !important;
    border: 1px solid rgba(255, 51, 102, 0.3) !important;
}

/* 成功提示 */
.success,
.alert-success {
    color: var(--cyber-primary) !important;
    background: rgba(0, 255, 0, 0.1) !important;
    border: 1px solid rgba(0, 255, 0, 0.3) !important;
}

/* Logo */
.logo,
.brand {
    color: var(--cyber-primary) !important;
    text-shadow: var(--glow-green);
}

/* 复选框 */
.form-check-input:checked {
    background-color: var(--cyber-primary) !important;
    border-color: var(--cyber-primary) !important;
}

.form-check-label {
    color: var(--cyber-text-muted) !important;
}

/* 页脚 */
footer,
.footer {
    color: var(--cyber-text-muted) !important;
    border-top: 1px solid rgba(0, 255, 0, 0.2);
}

/* 动画 */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 0, 0.2); }
    50% { box-shadow: 0 0 40px rgba(0, 255, 0, 0.4); }
}

.auth-container:hover,
.login-card:hover {
    animation: pulse-glow 2s infinite;
}