:root {
    --space-black: #0a0f1c;
    --neon-green: #00ff9d;
    --neon-cyan: #00f0ff;
    --neon-magenta: #ff00aa;
    --gold: #ffd700;
    --alert-orange: #ff6a00;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
    background: var(--space-black);
    color: var(--neon-green);
    font-family: 'Courier New', monospace;
    overflow: hidden;
    background-image: radial-gradient(circle at center, #1a2a44 0%, #0a0f1c 80%);
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 30px;
    background: rgba(10,15,28,0.95);
    border-bottom: 2px solid var(--neon-magenta);
    height: 78px; /* slim & professional */
}
.header-left { display:flex; align-items:center; gap:16px; }
.logo { height: 52px; filter: drop-shadow(0 0 12px var(--neon-cyan)); }
h1 { font-size: 2.1rem; letter-spacing: 6px; text-shadow: 0 0 20px var(--neon-green); }
.subtitle { font-size: 0.85rem; opacity: 0.85; }

.mission-status {
    font-size: 1.1rem;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.main-content {
    display: flex;
    height: calc(100vh - 78px - 180px);
    padding: 20px;
    gap: 20px;
}
.orbital-arena {
    flex: 2;
    background: #000;
    border: 2px solid var(--neon-cyan);
    position: relative;
    box-shadow: 0 0 60px rgba(0,240,255,0.4);
}
#orbitalCanvas { width:100%; height:100%; }
.arena-label {
    position: absolute;
    bottom: 12px; left: 50%;
    transform: translateX(-50%);
    background: rgba(10,15,28,0.85);
    padding: 6px 18px;
    border: 1px solid var(--neon-magenta);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.telemetry-panel {
    flex: 1;
    background: rgba(10,15,28,0.95);
    border: 2px solid var(--neon-green);
    display: flex;
    flex-direction: column;
}
.panel-header {
    background: var(--neon-magenta);
    color: #000;
    padding: 12px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 1px;
}
#telemetry-feed {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
}
.feed-event {
    margin-bottom: 14px;
    padding: 12px;
    border-left: 4px solid var(--neon-green);
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
}

.docking-bays {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 16px 20px;
    background: rgba(10,15,28,0.98);
    border-top: 2px solid var(--neon-magenta);
}
.bay {
    background: #0f1a2b;
    border: 2px solid var(--neon-cyan);
    padding: 12px;
    border-radius: 6px;
}
.bay-header {
    color: var(--gold);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-align: center;
}
.input {
    width: 100%;
    height: 92px;
    background: #000;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    padding: 10px;
    resize: none;
    font-family: inherit;
}
.transmit-btn {
    width: 100%;
    margin-top: 8px;
    background: var(--neon-cyan);
    color: #000;
    border: none;
    padding: 10px;
    font-weight: bold;
    cursor: pointer;
    letter-spacing: 1px;
}
.upload-btn {
    display: block;
    width: 100%;
    margin-top: 6px;
    background: rgba(255,255,255,0.1);
    color: var(--neon-green);
    text-align: center;
    padding: 8px;
    cursor: pointer;
    font-size: 0.85rem;
}
.upload { display: none; }

/* ... keep everything from PATCH 04 ... */

.orbital-arena {
    flex: 2.2; /* slightly bigger arena */
    box-shadow: 0 0 80px rgba(255, 0, 170, 0.5);
}

#orbitalCanvas {
    image-rendering: crisp-edges;
}

.feed-event {
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
}

.payload-registry {
    background: rgba(10,15,28,0.95);
    border-bottom: 2px solid var(--neon-magenta);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.registry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    color: var(--gold);
    font-size: 0.95rem;
}
.connect-btn {
    background: var(--neon-cyan);
    color: #000;
    border: none;
    padding: 8px 20px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 999;
}
.modal-content {
    background: #0a0f1c;
    border: 3px solid var(--neon-cyan);
    width: 460px;
    margin: 120px auto;
    padding: 30px;
    border-radius: 8px;
    color: var(--neon-green);
}
.modal-content label { display: block; margin: 16px 0 6px; color: var(--gold); }
.modal-content input, .modal-content select {
    width: 100%;
    padding: 10px;
    background: #000;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
}
.modal-buttons {
    margin-top: 24px;
    display: flex;
    gap: 12px;
}
.modal-buttons button {
    flex: 1;
    padding: 12px;
    font-weight: bold;
    cursor: pointer;
}
#save-payload { background: var(--neon-cyan); color: #000; }
#test-connection { background: #ff6a00; color: #000; }
#cancel-modal { background: #333; }