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

body {
    background-color: #050505;
    color: #ffffff;
    font-family: 'Urbanist', sans-serif;
    overflow: hidden;
}

/* LAYOUT UTAMA */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background-color: #000000;
}

/* SIDEBAR / NAVBAR */
.sidebar {
    width: 100px;
    height: 100%;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    border-right: 1px solid #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-item {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item i { font-size: 24px; color: #666; transition: color 0.3s ease; }
.nav-item:hover { background: #333; }
.nav-item.active { border-color: #00f7ff; box-shadow: 0 0 15px rgba(0, 247, 255, 0.3); }
.nav-item.active i { color: #00f7ff; }

/* Tooltip Desktop */
@media (min-width: 769px) {
    .nav-item::after {
        content: attr(data-label);
        position: absolute;
        left: 75px;
        font-size: 12px;
        color: #fff;
        background: rgba(0,0,0,0.9);
        padding: 6px 12px;
        border-radius: 4px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s;
        white-space: nowrap;
        border: 1px solid #333;
        font-family: 'Orbitron', sans-serif;
    }
    .nav-item:hover::after { opacity: 1; }
}

/* CONTENT AREA */
.content-area {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.section-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.section-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* TYPOGRAPHY */
.content-box {
    max-width: 800px;
    background: rgba(0, 247, 255, 0.02);
    padding: 40px;
    border-radius: 12px;
    border-left: 3px solid #00f7ff;
}

h1, h2 { 
    font-family: 'Orbitron', sans-serif; 
    text-transform: uppercase; 
    letter-spacing: 2px;
    margin: 0 0 10px 0;
    color: #ffffff;
}

.title-large { font-size: clamp(32px, 5vw, 48px); line-height: 1.1; }
.title-medium { font-size: clamp(24px, 4vw, 36px); }

.subtitle {
    font-size: 18px;
    color: #00f7ff;
    margin-bottom: 30px;
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

p { line-height: 1.8; font-size: 18px; color: #ccc; margin-bottom: 20px; }

.badge-rank {
    background: #00f7ff;
    color: #000;
    padding: 5px 15px;
    font-weight: bold;
    font-size: 12px;
    margin-bottom: 15px;
    display: inline-block;
    font-family: 'Orbitron', sans-serif;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}

.mission-log {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px dashed #333;
}

.mission-log h3 { font-size: 12px; color: #666; font-family: 'Orbitron'; margin-bottom: 10px; }
.directive-text { font-size: 14px; margin-bottom: 0; color: #00f7ff; font-family: monospace; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .app-container { flex-direction: column; }
    .sidebar {
        width: 100%; height: 70px;
        flex-direction: row; order: 2;
        border-right: none; border-top: 1px solid #333;
        padding: 0 20px; gap: 15px;
    }
    .content-area { order: 1; height: calc(100vh - 70px); }
    .section-slide { padding: 30px 20px; }
}