/* TAMBAHAN FONT SILKSCREEN UNTUK EFEK PIXEL */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Syne:wght@700;800&family=Silkscreen&display=swap');

* { box-sizing: border-box; }

:root {
    --bg-purple: #dcd6f7; /* Ungu pastel dasar */
    --hot-pink: #FF00FF;
    --cyan: #00FFFF;
    --yellow: #FFFF00;
    --black: #000000;
    --white: #FFFFFF;
    --green: #39FF14;
}

body {
    margin: 0; padding: 0; min-height: 100vh;
    font-family: 'Space Mono', monospace; 
    color: var(--black);
    background-color: var(--bg-purple);
    /* REPLIKA GRID DAN NEON GLOW PERSIS GAMBAR KANAN */
    background-image: 
        radial-gradient(circle at 25% 50%, rgba(255, 0, 255, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 75% 50%, rgba(0, 255, 255, 0.3) 0%, transparent 40%),
        linear-gradient(rgba(255,255,255,0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.4) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 30px 30px, 30px 30px;
    background-attachment: fixed;
}

/* NAVBAR */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 40px; border-bottom: 2px solid rgba(0,0,0,0.1);
}
.navbar .logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.5rem; text-transform: uppercase; }
.navbar .links a { margin-left: 20px; text-decoration: none; color: var(--black); font-weight: bold; }
.navbar .links a:hover { color: var(--hot-pink); }

/* RETRO WINDOW */
.retro-window {
    background-color: var(--white);
    border: 4px solid var(--black);
    box-shadow: 8px 8px 0px var(--black);
    display: flex; flex-direction: column;
}
.window-titlebar {
    background-color: var(--hot-pink); color: var(--white);
    font-family: 'Space Mono', monospace; font-size: 0.85rem;
    padding: 8px 12px; display: flex; justify-content: space-between; align-items: center;
    border-bottom: 4px solid var(--black); font-weight: bold;
}
.window-titlebar.bg-black { background-color: var(--black); color: var(--white); } 
.window-titlebar.bg-pink { background-color: var(--hot-pink); color: var(--white); }
.window-content { padding: 30px; }

/* TYPOGRAPHY */
.title-syne {
    font-family: 'Syne', sans-serif; font-weight: 800;
    text-transform: uppercase; font-size: 3.5rem; line-height: 1.1;
    text-shadow: 4px 4px 0px var(--yellow); margin: 0 0 15px 0; letter-spacing: -1px;
}
.subtitle-syne {
    font-family: 'Syne', sans-serif; font-weight: 800;
    text-transform: uppercase; font-size: 1.8rem; margin: 0 0 20px 0;
}

/* INPUTS, SELECT, & BUTTONS (Y2K UPGRADE) */
.y2k-input, .y2k-select {
    border: 3px solid var(--black); 
    padding: 12px; 
    width: 100%;
    font-family: 'Space Mono', monospace; 
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 15px; 
    background-color: var(--white); 
    outline: none;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.1); 
    transition: all 0.2s ease;
}

.y2k-input:focus, .y2k-select:focus {
    background-color: #f8f8f8;
    border-color: var(--hot-pink);
    box-shadow: 4px 4px 0px var(--hot-pink);
}

.y2k-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="black" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    cursor: pointer;
}

.routine-label {
    font-family: 'Silkscreen', cursive;
    font-size: 1.1rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.y2k-btn {
    border: 3px solid var(--black); padding: 12px; width: 100%;
    font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem;
    text-transform: uppercase; cursor: pointer;
    box-shadow: 4px 4px 0px var(--black); transition: transform 0.1s;
    margin-top: 10px;
}
.y2k-btn:active { box-shadow: 0px 0px 0px var(--black); transform: translate(4px, 4px); }
.btn-yellow { background-color: var(--yellow); color: var(--black); }
.btn-green { background-color: var(--green); color: var(--black); }

/* LAYOUT */
.main-container { max-width: 1000px; margin: 60px auto; padding: 0 20px; }
.split-50 { display: flex; gap: 40px; align-items: center; justify-content: space-between; }
.split-50 > div { flex: 1; }