/**
 * Whois查询系统 - 全新现代化设计
 * Material Design + Glassmorphism + 渐变美学
 */

/* ================== CSS变量定义 ================== */
:root {
    /* 主色调 - 渐变紫蓝色系 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-gradient-hover: linear-gradient(135deg, #5a67d8 0%, #6b46a1 100%);
    --primary-color: #667eea;
    --primary-color-light: #a3bffa;
    --primary-color-dark: #553c9a;

    /* 辅助色 */
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --danger-gradient: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
    --info-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* 状态颜色 */
    --success-color: #10b981;
    --success-light: #d1fae5;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --info-color: #3b82f6;
    --info-light: #dbeafe;

    /* 背景色系 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --bg-gradient-dark: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* 文字颜色 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-white: #ffffff;
    --text-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* 边框颜色 */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #667eea;

    /* 阴影系统 */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.4);
    --shadow-glow-hover: 0 0 30px rgba(102, 126, 234, 0.6);

    /* 圆角 */
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* 模糊效果 */
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(12px);
    --blur-xl: blur(16px);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(79, 172, 254, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: gradientFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes gradientFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -20px) scale(1.1);
    }
    50% {
        transform: translate(-10px, 20px) scale(1);
    }
    75% {
        transform: translate(-20px, -10px) scale(1.1);
    }
}

/* ================== 动画定义 ================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 2000px;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ================== 容器 ================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
    animation: fadeIn 0.6s ease-out;
}

/* ================== 导航栏 ================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: var(--blur-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-2xl);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
}

.navbar-admin {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
}

.navbar-admin .nav-brand h1,
.navbar-admin .nav-links a {
    color: white !important;
    -webkit-text-fill-color: white !important;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: none;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-brand h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: all var(--transition-base);
}

.nav-brand h1:hover {
    transform: scale(1.05);
}

.admin-badge {
    font-size: 0.75rem;
    background: var(--primary-gradient);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-left: var(--spacing-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-text-fill-color: white;
    box-shadow: var(--shadow-glow);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 80%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.08);
}

/* ================== 按钮 ================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-bounce);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    background: var(--primary-gradient-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.0625rem;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 按钮加载动画 */
.btn-loading {
    display: none;
    animation: pulse 1.5s ease-in-out infinite;
}

/* 旋转加载图标 */
.spinner {
    display: inline-block;
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: currentColor;
    animation: spin 0.8s linear infinite;
}

/* ================== 表单 ================== */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-base);
    background: white;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1), var(--shadow-lg);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
    font-weight: 400;
}

.form-group input.error {
    border-color: var(--danger-color);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-group input.success {
    border-color: var(--success-color);
}

/* 输入框图标 */
.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 1.25rem;
    transition: color var(--transition-base);
    z-index: 1;
}

.input-wrapper:focus-within .input-icon {
    color: var(--primary-color);
}

.input-wrapper input.has-icon {
    padding-left: 4rem !important;
}

/* 密码显示/隐藏 */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    line-height: 1;
}

.password-toggle:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-50%) scale(1.1);
}

.input-wrapper input.has-toggle {
    padding-right: 4rem !important;
}

/* 表单提示 */
.form-hint {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-hint::before {
    content: 'ℹ';
    background: var(--primary-gradient);
    color: white;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.6875rem;
    font-weight: 700;
}

/* 表单验证 */
.form-error {
    color: var(--danger-color);
    font-size: 0.8125rem;
    margin-top: var(--spacing-sm);
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.form-error.show {
    display: flex;
    animation: slideInLeft 0.3s ease;
}

.form-error::before {
    content: '⚠';
}

.form-success {
    color: var(--success-color);
    font-size: 0.8125rem;
    margin-top: var(--spacing-sm);
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.form-success.show {
    display: flex;
    animation: slideInLeft 0.3s ease;
}

.form-success::before {
    content: '✓';
}

/* ================== 卡片 ================== */
.card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color-light);
}

.card:hover::before {
    opacity: 1;
}

.card h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: block;
}

/* ================== 首页搜索区域 ================== */
.search-section {
    max-width: 900px;
    margin: var(--spacing-2xl) auto;
    position: relative;
    animation: fadeInUp 0.8s ease;
}

/* 背景装饰 */
.search-section::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 120%;
    height: 140%;
    background:
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(118, 75, 162, 0.12) 0%, transparent 40%);
    z-index: -1;
    animation: gradientMove 15s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(30px, 30px) rotate(5deg);
    }
}

.search-box {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--blur-lg);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.search-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: var(--primary-gradient);
    opacity: 0.05;
    border-radius: 0 0 100% 100%;
    transform: scaleX(1.5);
}

.search-box h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-size: 1.25rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.whois-form .form-group {
    margin-bottom: var(--spacing-xl);
}

.whois-form .form-group input {
    font-size: 1.125rem;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    background: white;
    transition: all var(--transition-base);
}

.whois-form .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), var(--shadow-xl);
    transform: scale(1.02);
}

/* ================== 查询结果 ================== */
.result-section {
    max-width: 1100px;
    margin: var(--spacing-2xl) auto;
    animation: fadeInUp 0.6s ease;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: white;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.result-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    animation: shimmer 3s infinite;
}

.result-header h3 {
    font-size: 1.75rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.result-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.result-meta span {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: var(--blur-sm);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

/* 结果组卡片 */
.result-group {
    background: white;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
}

.result-group:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.result-header-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
    position: relative;
    z-index: 1;
}

.result-header-toggle:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.result-header-toggle h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.result-header-toggle h4::before {
    content: '📋';
    font-size: 1.5rem;
}

.toggle-btn {
    background: var(--primary-gradient);
    border: none;
    cursor: pointer;
    color: white;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-bounce);
    box-shadow: var(--shadow-glow);
}

.toggle-btn:hover {
    transform: scale(1.15) rotate(180deg);
    box-shadow: var(--shadow-glow-hover);
}

.toggle-icon {
    display: inline-block;
    transition: transform var(--transition-base);
    font-weight: bold;
    font-size: 1.25rem;
}

.result-group.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.result-content {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: block;
    animation: slideDown 0.4s ease;
}

.result-group.collapsed .result-content {
    display: none;
}

.result-text {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.9;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.4);
    position: relative;
}

.result-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    pointer-events: none;
}

/* 结果操作按钮 */
.result-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
}

/* ================== 提示信息 ================== */
.alert {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideInRight 0.4s ease;
    border: 1px solid transparent;
}

.alert-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-color: #fecaca;
    color: #991b1b;
}

.alert-error::before {
    content: '❌';
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(153, 27, 27, 0.2));
}

.alert-success {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #bbf7d0;
    color: #166534;
}

.alert-success::before {
    content: '✅';
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(22, 101, 52, 0.2));
}

.alert-warning {
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    border-color: #fde047;
    color: #854d0e;
}

.alert-warning::before {
    content: '⚠️';
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(133, 77, 14, 0.2));
}

.alert-info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #bfdbfe;
    color: #1e40af;
}

.alert-info::before {
    content: 'ℹ️';
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(30, 64, 175, 0.2));
}

.close-alert {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: currentColor;
    opacity: 0.6;
    transition: all var(--transition-base);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.close-alert:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

/* ================== 认证页面 ================== */
.auth-page {
    background: var(--bg-gradient-dark);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

/* 动态背景装饰 */
.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
    animation: gradientMove 25s ease-in-out infinite;
}

/* 浮动粒子 */
.auth-page::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 0.5%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 0.5%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 0.3%);
    background-size: 100px 100px;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

.auth-container {
    max-width: 480px;
    margin: 4rem auto;
    position: relative;
    z-index: 1;
}

.auth-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: var(--blur-xl);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.8s ease;
    position: relative;
    overflow: hidden;
}

/* 顶部装饰线 */
.auth-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.auth-box h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-base);
    position: relative;
}

.auth-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

.auth-footer a:hover {
    color: var(--primary-color-dark);
}

.auth-footer a:hover::after {
    width: 100%;
}

/* ================== 会员中心 ================== */
.dashboard {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    animation: fadeIn 0.6s ease;
}

/* 用户信息卡片 */
.user-details {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: white;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

/* 动态背景效果 */
.user-details::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    animation: shimmer 4s infinite;
}

.user-avatar {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.avatar-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: var(--blur-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    font-weight: 900;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.user-data {
    flex: 1;
    position: relative;
    z-index: 1;
}

.user-data h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 800;
}

.user-role,
.user-email,
.user-date {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

/* API Key管理 */
.apikey-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.apikey-item {
    background: var(--bg-gradient);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.apikey-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.apikey-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.apikey-item:hover::before {
    opacity: 1;
}

.apikey-key {
    font-family: 'Fira Code', 'Courier New', monospace;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    word-break: break-all;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

.apikey-actions-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* 统计数据 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color-light);
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ================== 管理后台 ================== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 2.5rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: var(--radius-xl);
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-info p {
    font-size: 2rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.admin-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.admin-card .card-header h2 {
    margin-bottom: 0;
}

.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.data-table th,
.data-table td {
    padding: var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.data-table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
}

.data-table tbody tr {
    transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: scale(1.01);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* 状态徽章 */
.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.status-inactive {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

/* ================== 模态框 ================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: var(--blur-md);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 540px;
    box-shadow: var(--shadow-2xl);
    animation: scaleIn 0.3s ease;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--primary-gradient);
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.375rem;
    font-weight: 800;
}

.modal-body {
    padding: var(--spacing-xl);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    justify-content: flex-end;
}

.close-modal {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* ================== 分页 ================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    transition: all var(--transition-base);
    background: white;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination a:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.pagination .active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

/* ================== 页脚 ================== */
footer {
    background: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-secondary);
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    font-size: 0.9375rem;
}

footer p {
    margin: 0;
    font-weight: 500;
}

/* ================== 加载动画 ================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: var(--blur-lg);
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--border-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.loading-spinner::before,
.loading-spinner::after {
    content: '';
    position: absolute;
    border: 4px solid transparent;
    border-radius: 50%;
}

.loading-spinner::before {
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-top-color: rgba(102, 126, 234, 0.3);
    animation: spin 2s linear infinite reverse;
}

.loading-spinner::after {
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-top-color: rgba(102, 126, 234, 0.6);
    animation: spin 3s linear infinite;
}

.loading-text {
    margin-top: var(--spacing-xl);
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 600;
    animation: fadeInUp 0.6s ease;
}

/* ================== 响应式设计 ================== */
@media (max-width: 1024px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .nav-links a {
        padding: 0.375rem 0.75rem;
        font-size: 0.8125rem;
    }

    .search-box {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .search-box h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .dashboard {
        grid-template-columns: 1fr;
    }

    .user-details {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .user-data {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }

    .auth-box {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .auth-box h2 {
        font-size: 1.75rem;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .data-table th,
    .data-table td {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.375rem;
        --spacing-md: 0.5rem;
        --spacing-lg: 0.75rem;
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
    }

    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .search-box h2 {
        font-size: 1.5rem;
    }

    .avatar-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .result-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .result-meta {
        flex-wrap: wrap;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: var(--spacing-lg);
    }

    .auth-box {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    /* 优化移动端输入框 */
    .form-group input {
        font-size: 16px; /* 防止iOS缩放 */
    }

    .input-icon {
        left: 1rem;
        font-size: 1.125rem;
    }

    .password-toggle {
        right: 0.75rem;
        font-size: 1.125rem;
    }

    .input-wrapper input.has-icon {
        padding-left: 3.5rem !important;
    }

    .input-wrapper input.has-toggle {
        padding-right: 3.5rem !important;
    }
}

/* ================== 打印样式 ================== */
@media print {
    .navbar,
    footer,
    .btn,
    .toggle-btn,
    .result-actions {
        display: none !important;
    }

    .result-section {
        box-shadow: none !important;
    }

    .result-text {
        background: white !important;
        color: black !important;
        border: 1px solid #000 !important;
    }
}

/* ================== 可访问性增强 ================== */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }

    .card,
    .result-group,
    .btn {
        border: 2px solid #000000 !important;
    }
}