:root {
    --bg: #050505;
    --neon: #00ff41;
    --neon-dim: #008f11;
    --danger: #ff003c;
    --text: #e0e0e0;
}

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

body {
    background-color: var(--bg);
    color: var(--neon);
    font-family: 'Share Tech Mono', monospace;
    overflow: hidden;
    user-select: none;
}

/* CRT Scanline Effect */
.crt-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 999;
}

/* Modals */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.modal.open {
    opacity: 1;
    pointer-events: auto;
}
.modal-content {
    background: #000;
    border: 1px solid var(--neon);
    padding: 2rem;
    max-w: 500px;
    width: 90%;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
}
.modal-content h1 {
    margin-bottom: 1rem;
    font-size: 2rem;
    text-shadow: 0 0 5px var(--neon);
}
.modal-content p { margin-bottom: 1.5rem; line-height: 1.5; }

input {
    width: 100%;
    background: #000;
    border: 1px solid var(--neon-dim);
    color: var(--neon);
    padding: 0.75rem;
    margin-bottom: 1rem;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}
input:focus { border-color: var(--neon); box-shadow: 0 0 10px rgba(0, 255, 65, 0.4); }

button {
    width: 100%;
    background: var(--neon-dim);
    color: #000;
    border: 1px solid var(--neon);
    padding: 0.75rem;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 0.5rem;
}
button:disabled { background: #111; color: #333; border-color: #333; cursor: not-allowed; }
button:not(:disabled):hover { background: var(--neon); box-shadow: 0 0 15px var(--neon); }
button.secondary { background: #000; color: var(--neon); }
button.secondary:hover { background: rgba(0, 255, 65, 0.1); }

/* Game Layout */
.game-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--neon-dim);
}
.exit-link { color: var(--danger); text-decoration: none; }
.exit-link:hover { text-shadow: 0 0 10px var(--danger); }

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    max-w: 800px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: 0.8rem;
    color: var(--neon-dim);
    margin-bottom: 0.5rem;
}
.mt-4 { margin-top: 1.5rem; }

.terminal-panel {
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid var(--neon-dim);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sentence {
    font-size: 1.2rem;
    color: var(--text);
}

.keyword {
    display: inline-block;
    padding: 0.2rem 1rem;
    background: rgba(0, 255, 65, 0.2);
    border: 1px solid var(--neon);
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 0 5px var(--neon);
}
.keyword.pulse { animation: pulse 2s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.output-area {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    min-height: 3rem;
    padding: 0.5rem;
    background: #000;
    border: 1px dashed var(--neon-dim);
}
.static-text { color: var(--text); font-size: 1.2rem; }

.slots {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-width: 100px;
}

.fragments-panel {
    margin-bottom: 2rem;
}
.fragments-pool {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    min-height: 4rem;
}

.fragment {
    background: #000;
    color: var(--neon);
    border: 1px solid var(--neon-dim);
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.1s;
}
.fragment:hover { background: rgba(0, 255, 65, 0.2); border-color: var(--neon); }
.fragment.used { opacity: 0.3; pointer-events: none; border-style: dashed; }

.execute-btn {
    margin-top: auto;
    font-size: 1.5rem;
    padding: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.execute-btn.error { background: var(--danger); border-color: var(--danger); color: #fff; box-shadow: 0 0 15px var(--danger); }
.execute-btn.success { background: var(--neon); border-color: var(--neon); color: #000; box-shadow: 0 0 20px var(--neon); }