/**
 * Aurora Template Styles - 极光风格登录页面样式
 *
 * 设计理念：
 * - 玻璃态拟态设计 (Glassmorphism)
 * - 流动的极光背景动画
 * - 精致的微交互动画
 * - 完全响应式布局
 */

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

/* ==================== 本地字体 ==================== */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('../fonts/Inter-Light.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/Inter-Bold.woff2') format('woff2');
}

:root {
    --primary-color: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --bg-dark: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --input-bg: rgba(255, 255, 255, 0.05);
    --input-border: rgba(255, 255, 255, 0.1);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.aurora-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    overflow-x: hidden;
    position: relative;
}

/* ==================== 极光背景动画 ==================== */
.aurora-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.aurora {
    position: absolute;
    width: 150%;
    height: 150%;
    background: linear-gradient(
        45deg,
        var(--primary-color) 0%,
        var(--secondary-color) 25%,
        var(--accent-color) 50%,
        var(--secondary-color) 75%,
        var(--primary-color) 100%
    );
    filter: blur(80px);
    opacity: 0.3;
    animation: aurora-move 15s ease-in-out infinite;
}

.aurora-1 {
    top: -50%;
    left: -50%;
    animation-delay: 0s;
}

.aurora-2 {
    top: -50%;
    right: -50%;
    animation-delay: -5s;
    animation-direction: reverse;
}

.aurora-3 {
    bottom: -50%;
    left: -50%;
    animation-delay: -10s;
}

.aurora-4 {
    bottom: -50%;
    right: -50%;
    animation-delay: -15s;
    animation-direction: reverse;
}

@keyframes aurora-move {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(5%, 5%) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translate(0, 10%) rotate(180deg) scale(1);
    }
    75% {
        transform: translate(-5%, 5%) rotate(270deg) scale(1.1);
    }
}

/* 星星背景 */
.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 230px 80px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 350px 60px, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 420px 180px, rgba(255, 255, 255, 0.3), transparent);
    background-repeat: repeat;
    background-size: 500px 500px;
    animation: twinkle 4s ease-in-out infinite;
}

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

/* 流星 */
.shooting-star {
    position: absolute;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), transparent);
    top: 10%;
    left: -100px;
    transform: rotate(-45deg);
    animation: shooting 8s ease-in-out infinite;
    opacity: 0;
}

@keyframes shooting {
    0% {
        left: -100px;
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    10% {
        left: calc(100% + 100px);
        opacity: 0;
    }
    100% {
        left: calc(100% + 100px);
        opacity: 0;
    }
}

/* ==================== 登录容器 ==================== */
.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1000px;
    padding: 2rem;
    animation: fade-in-up 0.8s ease-out;
}

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

/* ==================== 玻璃态卡片 ==================== */
.glass-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    min-height: 600px;
    position: relative;
    --mouse-x: 50%;
    --mouse-y: 50%;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        600px circle at var(--mouse-x) var(--mouse-y),
        rgba(255, 255, 255, 0.06),
        transparent 40%
    );
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

/* ==================== 左侧装饰区 ==================== */
.card-decoration {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.decoration-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* 浮动图形 */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 40%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}

/* 品牌信息 */
.brand-info {
    animation: fade-in 1s ease-out 0.3s both;
}

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

.brand-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

/* SVG 保持固定大小 */
.animated-logo svg {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    animation: pulse 2s ease-in-out infinite;
}

/* 图片使用原始大小，移除容器背景装饰 */
.brand-logo:has(img) {
    width: auto;
    height: auto;
    background: none !important;
    backdrop-filter: none !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.animated-logo img {
    width: auto;
    height: auto;
    max-width: 120px !important;
    max-height: 120px !important;
    display: block;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-title {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.brand-tagline {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

/* ==================== 右侧表单区 ==================== */
.card-form {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-header {
    margin-bottom: 2.5rem;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    position: relative;
}

.title-text {
    position: relative;
    z-index: 1;
}

.title-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    background-size: 200% 100%;
    animation: wave 2s linear infinite;
}

@keyframes wave {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
}

/* ==================== 输入框 ==================== */
.input-group {
    margin-bottom: 1.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.input-wrapper:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.input-wrapper.focused {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
    z-index: 2;
}

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

.input-field {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: transparent;
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    outline: none;
    font-weight: 400;
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-normal);
}

.input-wrapper.focused .input-field::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
    z-index: 2;
}

.password-toggle:hover {
    color: var(--text-primary);
}

/* ==================== 复选框 ==================== */
.form-options {
    margin-bottom: 2rem;
}

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

.checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    margin-right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
    background: rgba(255, 255, 255, 0.05);
}

.checkbox-wrapper:hover .checkbox-custom {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

.checkbox-input:checked ~ .checkbox-custom {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-custom .checkmark {
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.checkbox-input:checked ~ .checkbox-custom .checkmark {
    opacity: 1;
    transform: scale(1);
}

.checkbox-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ==================== 提交按钮 ==================== */
.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-btn:hover::before {
    width: 300px;
    height: 300px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-text,
.btn-arrow {
    position: relative;
    z-index: 1;
}

.btn-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: rgba(255, 255, 255, 0.5);
    transition: width var(--transition-normal);
}

.submit-btn.loading .btn-progress {
    width: 100%;
    animation: progress 1.5s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0; }
    50% { width: 100%; }
    100% { width: 0; margin-left: 100%; }
}

.submit-btn.loading .btn-text {
    animation: pulse-text 1s ease-in-out infinite;
}

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

/* ==================== 底部链接 ==================== */
.form-footer {
    margin-top: 2rem;
}

.divider {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.3);
}

.divider span {
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.divider em {
    padding: 0 1rem;
    font-style: normal;
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-link {
    flex: 1;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.footer-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.footer-link:hover::before {
    left: 100%;
}

.footer-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-link svg {
    flex-shrink: 0;
    opacity: 0.7;
    transition: all var(--transition-normal);
}

.footer-link:hover svg {
    opacity: 1;
    transform: scale(1.1);
}

/* ==================== 页脚 ==================== */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .login-wrapper {
        padding: 1rem;
    }

    .glass-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .card-decoration {
        display: none;
    }

    .card-form {
        padding: 2rem;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .brand-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .card-form {
        padding: 1.5rem;
    }

    .form-title {
        font-size: 1.25rem;
    }

    .footer-links {
        flex-direction: column;
    }

    .footer-link {
        width: 100%;
        justify-content: center;
    }
}

/* ===== 消息提示 ===== */
.gate-message {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 9999;
    min-width: 280px;
    max-width: 400px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.gate-message.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.gate-message.success {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
}

.gate-message.success .message-icon {
    color: #22c55e;
}

.gate-message.error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

.gate-message.error .message-icon {
    color: #ef4444;
}

.gate-message.notice {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
}

.gate-message.notice .message-icon {
    color: #f59e0b;
}

.message-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.message-content {
    flex: 1;
    font-size: 14px;
    font-weight: 400;
    color: #1e293b;
    line-height: 1.5;
}

.message-close {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
    color: #64748b;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    padding: 2px;
}

.message-close:hover {
    color: #475569;
    background: rgba(0, 0, 0, 0.05);
}

@media (max-width: 480px) {
    .gate-message {
        min-width: auto;
        width: calc(100vw - 32px);
        top: 16px;
        max-width: none;
    }
}