/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: linear-gradient(135deg, #1a1a1a 0%, #272822 50%, #1a1a1a 100%) fixed;
    color: #F8F8F2;
    min-height: 100vh;
    padding: 100px 0 150px;
    margin: 0;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 217, 239, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(166, 226, 46, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(249, 38, 114, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: rgba(39, 40, 34, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #49483E;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    animation: slideDown 0.5s ease-out;
    will-change: transform;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Logo */
.logo {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
    will-change: transform;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.header-text {
    flex: 1;
}

/* Typography */
h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, #66D9EF 0%, #A6E22E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
    font-weight: 600;
    letter-spacing: -0.5px;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: 0.9rem;
    color: #75715E;
    opacity: 1;
    font-weight: 400;
    animation: fadeIn 0.8s ease-out 0.4s both;
}

/* Footer */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: rgba(39, 40, 34, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid #49483E;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.5);
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.footer-link {
    color: #A6E22E;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #66D9EF, #A6E22E);
    transition: width 0.3s ease;
}

.footer-link:hover {
    color: #66D9EF;
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(102, 217, 239, 0.5);
}

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

.footer-text {
    color: #75715E;
    font-size: 0.85rem;
    margin-top: 10px;
}

.footer-text a {
    color: #AE81FF;
    text-decoration: none;
}

.footer-text a:hover {
    color: #F92672;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #49483E;
}

.tab {
    background: transparent;
    color: #A6E22E;
    border: none;
    padding: 15px 30px;
    font-family: inherit;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    position: relative;
    bottom: -2px;
}

.tab:hover {
    color: #66D9EF;
    background: rgba(102, 217, 239, 0.1);
    transform: translateY(-2px);
}

.tab.active {
    color: #F92672;
    border-bottom-color: #F92672;
    text-shadow: 0 0 10px rgba(249, 38, 114, 0.5);
}

/* Main Content */
.main-content {
    margin-top: 30px;
    margin-bottom: 40px;
}

.installation-section {
    background: linear-gradient(135deg, #3E3D32 0%, #35342A 100%);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid #49483E;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: fadeInUp 0.6s ease-out;
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* No-JS Fallback */
body.no-js .tab-content {
    display: block;
    margin-bottom: 30px;
}

body.no-js .tabs {
    display: none;
}

body.no-js .demo-section {
    display: block !important;
}

/* Section Components */
.section-title {
    font-size: 1.5rem;
    color: #F92672;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: "▶";
    color: #A6E22E;
}

.command-box {
    background: #1E1F1C;
    border: 2px solid #49483E;
    border-radius: 8px;
    padding: 20px 25px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.command-box:hover {
    border-color: #66D9EF;
    box-shadow: 0 0 20px rgba(102, 217, 239, 0.2);
    transform: translateY(-2px);
}

.command-box::before {
    content: "$ ";
    color: #A6E22E;
    font-weight: bold;
    margin-right: 10px;
}

.command {
    color: #F8F8F2;
    font-size: 1.3rem;
    display: inline;
    user-select: all;
}

/* Code Block */
.code-block {
    background: #1E1F1C;
    border: 2px solid #49483E;
    border-radius: 8px;
    padding: 20px 25px;
    margin: 20px 0;
    position: relative;
    overflow-x: auto;
}

.code-block pre {
    color: #F8F8F2;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    white-space: pre;
    user-select: all;
}

.code-block .keyword { color: #F92672; }
.code-block .string { color: #E6DB74; }
.code-block .comment { color: #75715E; }
.code-block .property { color: #A6E22E; }
.code-block .value { color: #AE81FF; }

/* Buttons */
.copy-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #F92672 0%, #AE81FF 100%);
    color: #F8F8F2;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(249, 38, 114, 0.3);
}

.copy-btn:hover {
    background: linear-gradient(135deg, #FF3D8A 0%, #C792EA 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 38, 114, 0.5);
}

.copy-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(249, 38, 114, 0.4);
}

/* Demo Section */
.demo-section {
    background: linear-gradient(135deg, #3E3D32 0%, #35342A 100%);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid #49483E;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.demo-image {
    width: 100%;
    border-radius: 8px;
    border: 2px solid #49483E;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.demo-image:hover {
    border-color: #66D9EF;
    box-shadow: 0 0 30px rgba(102, 217, 239, 0.3);
    transform: scale(1.01);
}

/* Utilities */
.info-text {
    color: #E6DB74;
    line-height: 1.8;
    margin-top: 20px;
    font-size: 1rem;
}

.highlight {
    color: #AE81FF;
    font-weight: bold;
}

.download-link {
    display: inline-block;
    color: #66D9EF;
    text-decoration: none;
    padding: 12px 24px;
    background: linear-gradient(135deg, #1E1F1C 0%, #2A2B26 100%);
    border: 2px solid #66D9EF;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.download-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 217, 239, 0.3), transparent);
    transition: left 0.5s ease;
}

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

.download-link:hover {
    background: linear-gradient(135deg, #66D9EF 0%, #A6E22E 100%);
    color: #272822;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 217, 239, 0.5);
    border-color: #A6E22E;
}

.download-link:active {
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 768px) {
    body {
        padding-top: 120px;
        padding-bottom: 220px;
    }

    .header { padding: 15px 10px; }
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .logo { width: 50px; height: 50px; }
    h1 { font-size: 1.3rem; }
    .subtitle { font-size: 0.8rem; }

    .footer { padding: 15px 10px; }
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
    .footer-link { font-size: 0.9rem; }

    .installation-section, .demo-section { padding: 20px; }
    .section-title { font-size: 1.2rem; }
    .command-box { padding: 15px 20px; }
    .command { font-size: 0.9rem; }

    .copy-btn {
        position: static;
        margin-top: 15px;
        width: 100%;
    }

    .code-block { padding: 15px 20px; }
    .code-block pre { font-size: 0.85rem; }
    .code-block .copy-btn {
        position: absolute;
        width: auto;
        margin-top: 0;
    }

    .info-text { font-size: 0.9rem; }
    .download-link {
        font-size: 1rem;
        padding: 10px 20px;
        display: block;
        text-align: center;
    }

    .tab {
        padding: 12px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 130px;
        padding-bottom: 240px;
    }

    h1 { font-size: 1.2rem; }
    .installation-section, .demo-section { padding: 15px; }
    .command { font-size: 0.8rem; }
    .code-block pre { font-size: 0.75rem; }
    .tab {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* Notifications */
.copied-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #A6E22E 0%, #66D9EF 100%);
    color: #272822;
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: bold;
    opacity: 0;
    transform: translateY(-20px) scale(0.8);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(166, 226, 46, 0.4);
}

.copied-notification.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Components */
.linux-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #A6E22E;
    color: #A6E22E;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 10px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 5px rgba(166, 226, 46, 0.2);
    position: relative;
    top: -1px;
    transition: all 0.3s ease;
}

.linux-badge:hover {
    background: rgba(166, 226, 46, 0.1);
    box-shadow: 0 0 10px rgba(166, 226, 46, 0.4);
}

.lang-selector {
    position: relative;
    margin-left: auto;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #49483E;
    color: #F8F8F2;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: #66D9EF;
    color: #66D9EF;
    background: rgba(102, 217, 239, 0.1);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: #272822; /* Monokai background */
    border: 1px solid #49483E;
    border-radius: 8px;
    overflow: hidden;
    display: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    z-index: 1001;
    min-width: 150px;
    animation: fadeIn 0.2s ease-out;
}

.lang-menu.show {
    display: block;
}

.lang-option {
    padding: 10px 15px;
    color: #F8F8F2;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-option:hover {
    background: rgba(102, 217, 239, 0.1);
    color: #66D9EF;
}

.lang-option.active {
    color: #A6E22E;
    background: rgba(166, 226, 46, 0.05);
}