:root {
    --bg-main: #0b0e14;
    --bg-surface: #131822;
    --bg-surface-hover: #19202d;
    --border-color: #222b3a;
    --accent: #00d4ff;
    --accent-hover: #00b4d8;
    --accent-glow: rgba(0, 212, 255, 0.25);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
}

body {
    font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
}

.accent {
    color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(11, 14, 20, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.brand-text {
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-item {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-main);
    background-color: var(--bg-surface);
}

.nav-item.active i,
.nav-item:hover i {
    color: var(--accent);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons */

.btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary {
    background-color: var(--accent);
    color: #06090e;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 5px;
}

/* Hero */

.hero {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;

    background-color: #101b29;
    background-image: url("./images/hero-bg.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    border-bottom: 1px solid var(--border-color);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            circle at center,
            rgba(11, 14, 20, 0.55) 0%,
            rgba(11, 14, 20, 0.93) 100%
        );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    width: 100%;
}

.server-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    background-color: rgba(19, 24, 34, 0.85);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    flex-shrink: 0;
    border-radius: 50%;
    background-color: #94a3b8;
}

.status-dot.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
    background-color: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

.version-tag {
    background-color: rgba(0, 212, 255, 0.15);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

/* IP Copy */

.ip-box {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background-color: var(--bg-surface);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.12);
}

.ip-box:hover {
    background-color: var(--bg-surface-hover);
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-2px);
}

.ip-box:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.ip-box.copied {
    border-color: var(--success);
}

.ip-info {
    text-align: left;
}

.ip-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.ip-address {
    font-size: 1.25rem;
    font-weight: 800;
    font-family: 'Consolas', monospace;
    color: var(--text-main);
}

.ip-action {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: var(--accent);
    color: #06090e;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: 6px;
}

.copy-feedback {
    min-height: 20px;
    margin-top: 8px;
    color: var(--success);
    font-size: 0.82rem;
}

/* Sections */

.section {
    padding: 50px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.view-all {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
    white-space: nowrap;
}

.view-all:hover {
    text-decoration: underline;
}

/* Game Cards */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.game-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.game-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.card-img {
    height: 170px;
    background-color: #162231;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.game-duels {
    background-image:
        linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15)),
        url("./images/game-duels.jpg");
}

.game-practice {
    background-image:
        linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15)),
        url("./images/game-practice.jpg");
}

.game-bedwars {
    background-image:
        linear-gradient(rgba(0,0,0,0.15), rgba(0,0,0,0.15)),
        url("./images/game-bedwars.jpg");
}

.card-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: rgba(11, 14, 20, 0.85);
    color: var(--accent);
    border: 1px solid var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
}

.card-body {
    padding: 18px;
}

.card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.card-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* News and Sidebar */

.split-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 28px;
    padding-top: 10px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.news-badge {
    font-size: 0.72rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
}

.news-badge.update {
    background-color: rgba(0, 212, 255, 0.15);
    color: var(--accent);
}

.news-badge.system {
    background-color: rgba(148, 163, 184, 0.15);
    color: var(--text-muted);
}

.news-date {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.news-item h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.news-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

.panel h3 {
    font-size: 1rem;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Server Status */

.network-summary,
.network-players {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.network-players strong {
    font-size: 1.2rem;
    color: var(--accent);
    font-family: 'Consolas', monospace;
}

.network-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.status-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9rem;
    margin-top: 14px;
}

.status-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.status-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.status-ok {
    color: var(--success);
    font-weight: 600;
}

.status-error {
    color: var(--danger);
    font-weight: 600;
}

.status-pending,
.status-unknown {
    color: var(--text-muted);
    font-weight: 600;
}

.status-updated {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 15px;
}

/* Discord */

.discord-panel p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.btn-discord {
    display: block;
    text-align: center;
    background-color: #5865F2;
    color: #fff;
}

.btn-discord:hover {
    background-color: #4752C4;
}

/* Footer */

.footer {
    border-top: 1px solid var(--border-color);
    background-color: #080a0f;
    padding: 30px 0;
    margin-top: 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--text-muted);
}

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

/* Responsive */

@media (max-width: 1100px) {
    .nav-item {
        padding: 8px 9px;
        font-size: 0.82rem;
    }

    .nav-container {
        padding: 0 16px;
    }
}

@media (max-width: 960px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-main);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 16px;
        align-items: stretch;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-item {
        padding: 12px;
        font-size: 0.95rem;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .split-layout {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    .nav-container {
        padding: 0 14px;
    }

    .nav-brand {
        font-size: 1.05rem;
    }

    .nav-auth {
        gap: 6px;
    }

    .nav-auth .btn {
        padding: 7px 10px;
        font-size: 0.78rem;
    }

    .hero {
        min-height: 420px;
        padding: 45px 16px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.92rem;
    }

    .server-badge {
        font-size: 0.72rem;
        gap: 7px;
    }

    .ip-box {
        width: 100%;
        gap: 10px;
        padding: 12px;
    }

    .ip-address {
        font-size: 1rem;
    }

    .ip-action {
        padding: 8px 10px;
        font-size: 0.75rem;
    }

    .section {
        padding: 35px 0;
    }

    .section-header h2 {
        font-size: 1rem;
    }

    .view-all {
        font-size: 0.75rem;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-links {
        gap: 14px;
    }
}