/* ===================================================================
   DoubleX GameStudio - Common Styles
   =================================================================== */

/* ===== 全局重置 & 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-300: #b0b0b0;
    --gray-400: #808080;
    --gray-500: #505050;
    --gray-600: #303030;
    --gray-700: #1a1a1a;
    --gray-800: #0d0d0d;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
}

/* ===== 自定义光标 ===== */
.cursor-dot {
    position: fixed;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    box-shadow: 0 0 25px #ffffff,
                0 0 50px rgba(255, 255, 255, 0.7),
                0 0 80px rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
}

.cursor-ring {
    position: fixed;
    width: 60px;
    height: 60px;
    border: 2.5px solid var(--white);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5),
                inset 0 0 15px rgba(255, 255, 255, 0.08);
    transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.cursor-ring.active {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gray-100);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.6),
                inset 0 0 25px rgba(255, 255, 255, 0.08);
}

/* 点击波纹效果 */
.cursor-ripple {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 1.5px solid var(--white);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99997;
    transform: translate(-50%, -50%);
    animation: rippleOut 0.7s ease-out forwards;
}

@keyframes rippleOut {
    0% {
        width: 20px;
        height: 20px;
        opacity: 1;
    }
    100% {
        width: 120px;
        height: 120px;
        opacity: 0;
    }
}

/* ===== 粒子背景 Canvas ===== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all 0.4s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    padding: 15px 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--white);
    text-decoration: none;
}

.logo .highlight-x {
    color: var(--gray-100);
    font-size: 34px;
    font-weight: 900;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:hover::after {
    width: 100%;
}

/* works/game-detail 页面中的导航链接稍微不同（灰色，active态白色）*/
.nav-links a.gray-link {
    color: var(--gray-300);
}

.nav-links a.gray-link:hover,
.nav-links a.gray-link.active {
    color: var(--white);
}

.nav-links a.gray-link:hover::after,
.nav-links a.gray-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    background: transparent;
    border: 2px solid var(--gray-600);
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.4s ease;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    border-color: var(--white);
    background: var(--white);
    color: var(--black);
    transform: translateY(-4px);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 50px;
    border-top: 1px solid var(--gray-700);
    background: var(--black);
    position: relative;
    z-index: 1;
}

.footer p {
    color: var(--gray-500);
    font-size: 13px;
    letter-spacing: 1px;
}

.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 20px;
}

.footer .footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.footer .footer-links a:hover {
    color: var(--white);
}

/* ===== 滚动动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all 0.8s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: all 0.8s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s ease;
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease;
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== 关键帧动画 ===== */
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-60px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 - 公共 ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 25px;
        background: rgba(0, 0, 0, 0.75);
    }

    .nav-links {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 30px;
        gap: 25px;
        border-bottom: 1px solid var(--gray-700);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity 0.3s, transform 0.3s, visibility 0s 0.3s;
    }

    .nav-links.active {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.3s, transform 0.3s, visibility 0s 0s;
    }

    .menu-toggle {
        display: flex;
    }

    body {
        cursor: auto;
        min-height: 100vh;
        min-height: 100dvh;
    }

    .cursor-dot,
    .cursor-ring,
    .cursor-ripple {
        display: none !important;
    }

    #particle-canvas {
        min-width: 100vw;
        min-height: 100vh;
        min-height: 100dvh;
    }
}