:root {
    --primary-glow: rgba(0, 212, 255, 0.6);
    --secondary-glow: rgba(255, 120, 0, 0.6);
    --bg-dark: #050a14;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #e0e6ed;
    --text-dim: #94a3b8;
    --accent: #00d4ff;
    --danger: #ff4757;
}

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

body {
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at center, #101a2e 0%, #050a14 100%);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

.stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('stargate_nebula_bg.png') no-repeat center center/cover;
    opacity: 0.4;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 4px;
    font-size: 2rem;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 2px;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 10px #4ade80;
}

/* Gate Interface */
.gate-interface {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    align-items: center;
}

.gate-wrapper {
    position: relative;
    width: 600px;
    height: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gate-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 15px solid #2a2a2a;
    border-radius: 50%;
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.8), 0 0 30px rgba(0, 243, 255, 0.1);
    background: #1a1a1a;
}

.gate-ring::after {
    content: '';
    position: absolute;
    top: -10px; left: -10px; right: -10px; bottom: -10px;
    border: 2px solid var(--glass-border);
    border-radius: 50%;
}

.gate-glyph {
    position: absolute;
    width: 40px;
    height: 40px;
    top: 50%;
    left: 50%;
    margin-top: -20px;
    margin-left: -20px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s;
}

.gate-glyph img {
    width: 30px;
    height: 30px;
    filter: invert(1) brightness(0.7);
    transition: filter 0.3s;
}

.gate-glyph.active img {
    filter: invert(1) brightness(1) drop-shadow(0 0 5px var(--accent));
}

/* Chevrons */
.chevrons-container {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.chevron {
    position: absolute;
    width: 60px;
    height: 40px;
    background: #34495e;
    clip-path: polygon(0% 0%, 100% 0%, 80% 100%, 20% 100%);
    top: 50%;
    left: 50%;
    transform-origin: center;
    transition: background 0.3s, box-shadow 0.3s;
}

.chevron.active {
    background: #ff7800;
    box-shadow: 0 0 20px #ff7800;
}

/* Position Chevrons around circle */
#chev-1 { transform: translate(-50%, -50%) rotate(0deg) translateY(-310px); }
#chev-2 { transform: translate(-50%, -50%) rotate(40deg) translateY(-310px); }
#chev-3 { transform: translate(-50%, -50%) rotate(80deg) translateY(-310px); }
#chev-4 { transform: translate(-50%, -50%) rotate(120deg) translateY(-310px); }
#chev-5 { transform: translate(-50%, -50%) rotate(160deg) translateY(-310px); }
#chev-6 { transform: translate(-50%, -50%) rotate(200deg) translateY(-310px); }
#chev-7 { transform: translate(-50%, -50%) rotate(240deg) translateY(-310px); }
#chev-8 { transform: translate(-50%, -50%) rotate(280deg) translateY(-310px); }
#chev-9 { transform: translate(-50%, -50%) rotate(320deg) translateY(-310px); }

.event-horizon {
    position: absolute;
    width: 530px;
    height: 530px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, rgba(0, 100, 255, 0.2) 60%, transparent 100%);
    opacity: 0;
    transition: opacity 2s ease-in;
    pointer-events: none;
    z-index: 1;
}

.event-horizon.active {
    opacity: 1;
    animation: pulse 4s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.05); opacity: 0.9; }
}

/* Console Panel */
.console-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 1rem;
    height: 600px;
}

.terminal {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: #4ade80;
    height: 250px;
    overflow-y: auto;
}

.terminal-header {
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
}

.address-display {
    flex-grow: 1;
}

.display-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.dialed-glyphs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 50px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
}

.dialed-glyph {
    width: 30px;
    height: 30px;
    filter: invert(1);
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.destination-info {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
}

.dest-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.dest-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* Control Center */
.control-center {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 1rem;
}

.tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 2px;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: #fff;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.dhd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
    transition: opacity 0.5s ease;
}

.dhd-btn {
    aspect-ratio: 1;
    background: #2d3436;
    border: 2px solid #636e72;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s;
}

.dhd-btn:hover {
    background: #34495e;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.dhd-btn.active {
    background: var(--accent);
    box-shadow: 0 0 15px var(--accent);
}

.dhd-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 5px var(--accent));
    transition: transform 0.2s;
}

.dhd-btn:hover img {
    transform: scale(1.2);
    filter: drop-shadow(0 0 10px var(--accent));
}

.log-entry {
    margin-bottom: 0.5rem;
    border-left: 2px solid var(--accent);
    padding-left: 0.8rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 2px;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    background: #fff;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Address Book */
.address-book {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    max-height: 80vh;
    background: #0f172a;
    border: 2px solid var(--glass-border);
    border-radius: 1rem;
    z-index: 100;
    padding: 2rem;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}

.book-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

#closeDbBtn {
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

.table-wrapper {
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

th {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    color: var(--accent);
}

tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.badge {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

code {
    font-family: monospace;
    color: var(--secondary-glow);
    font-weight: bold;
}

.btn-sm {
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Modal Styling */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

.modal-content {
    background: #0f172a;
    border: 2px solid var(--accent);
    padding: 2.5rem;
    border-radius: 1rem;
    width: 500px;
    box-shadow: 0 0 50px var(--accent);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 0.8rem;
    border-radius: 0.5rem;
    font-family: inherit;
}

.form-group textarea {
    height: 80px;
    resize: none;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-danger {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.action-btns-cell {
    display: flex;
    gap: 0.5rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .gate-interface {
        grid-template-columns: 1fr;
    }
    .console-panel {
        height: auto;
    }
}