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

:root {
    --bg: #080c10;
    --panel: #0d1117;
    --border: #1f2d3d;
    --accent: #00d4ff;
    --accent2: #ff6b35;
    --warn: #ffd700;
    --danger: #ff3333;
    --success: #00ff88;
    --text: #c9d1d9;
    --text-dim: #4a5568;
    --font-mono: 'Share Tech Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    height: 100vh;
    overflow: hidden;
}

#app { width: 100vw; height: 100vh; }

.screen { display: none; width: 100%; height: 100%; }
.screen.active { display: flex; }

#screen-boot {
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #0a1628 0%, #080c10 70%);
}

.boot-content {
    text-align: center;
    max-width: 600px;
}

.nasa-logo {
    font-size: 64px;
    color: var(--accent);
    animation: pulse 2s infinite;
    display: block;
    margin-bottom: 16px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; text-shadow: 0 0 20px var(--accent); }
    50% { opacity: 0.5; text-shadow: none; }
}

.boot-content h1 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 8px;
    text-shadow: 0 0 30px var(--accent);
}

.subtitle {
    color: var(--text-dim);
    letter-spacing: 4px;
    font-size: 12px;
    margin-top: 8px;
    margin-bottom: 32px;
}

.boot-line {
    text-align: left;
    font-size: 12px;
    color: var(--success);
    min-height: 120px;
    margin-bottom: 24px;
    padding: 12px;
    border: 1px solid var(--border);
    background: #050810;
}

.boot-lines p { margin: 2px 0; }

button {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    padding: 14px 40px;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    cursor: pointer;
    transition: all 0.2s;
}

button:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 20px var(--accent);
}

.hidden { display: none !important; }

#screen-game {
    flex-direction: column;
    background: 
    linear-gradient(rgba(0,212,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    background-color: var(--bg);
}

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
    flex-shrink: 0;
}

.hud-block { display: flex; flex-direction: column; }
.hud-block.center { align-items: center; }
.hud-block.right { align-items: flex-end; }
.hud-label { font-size: 10px; color: var(--text-dim); letter-spacing: 2px; }
.hud-value {
    font-family: var(--font-display);
    font-size: 16px;
    color: var(--accent);
    letter-spacing: 2px;
}

.main-grid {
    display: grid;
    grid-template-columns: 220px 1fr 220px;
    gap: 1px;
    flex: 1;
    overflow: hidden;
    background: var(--border);
}

.panel {
    background: var(--panel);
    padding: 16px;
    overflow-y: auto;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
    margin-bottom: 14px;
}

.telemetry-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #111820;
}

.t-label { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }
.t-value { font-size: 13px; color: var(--accent); }

.resource-bar-wrap { margin-bottom: 14px; }
.resource-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.bar-bg {
    height: 8px;
    background: #111820;
    border: 1px solid var(--border)
}

.bar-fill {
    height: 100%;
    width: 100%;
    transition: width 0.6s ease, background 0.6s ease;
}

.bar-fill.fuel { background: var(--accent2); }
.bar-fill.power { background: var(--warn); }
.bar-fill.oxygen { background: var(--success)}

.panel-main {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: 0;
    overflow: hidden;
    position: relative;
}

.phase-header {
    position: absolute;
    top: 12px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 10;
    pointer-events: none;
}

.mission-canvas {
    width: 100%;
    flex: 1;
    min-height: 0;
    display: block;
}

.event-box {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 520px;
    z-index: 20;
    border: 2px solid var(--warn);
    background: rgba(8, 12, 16, 0.92);
    padding: 20px;
    backdrop-filter: blur(4px);
}

#narrative-box {
    position: absolute;
    bottom: 12px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 10;
    pointer-events: none;
}

.phase-label {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 6px;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.trail-particle:nth-child(1) { height: 14px; animation-delay: 0s; }
.trail-particle:nth-child(2) { height: 10px; animation-delay: 0.1s; width: 3px; }
.trail-particle:nth-child(3) { height: 6px; animation-delay: 0.2s; width: 2px; }

@keyframes trailFade {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

.rocket.anim-launch {
    animation: rocketLaunch 1.2s ease-in-out infinite;
}

.rocket.anim-orbit {
    animation: rocketOrbit 4s linear infinite;
}

.rocket.anim-crisis {
    animation: rocketCrisis 0.3s ease-in-out infinite;
}

.rocket.anim-landing {
    animation: rocketLanding 1.5s ease-in-out infinite;
}

@keyframes flicker {
    0% { opacity: 0; } 100% { opacity: 1; }
}

.event-icon {
    font-size: 32px;
    text-align: center;
    display: block;
    margin-bottom: 8px;
}

.event-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--warn);
    text-align: center;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.event-desc {
    font-size: 13px;
    color: var(--text);
    text-align: center;
    line-height: 1.6;
    margin-bottom: 20px;
}

.choices { display: flex; flex-direction: column; gap: 10px; }

.choice-btn {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
    background: #0a0f16;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    overflow: hidden;
}

.choice-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.1s;
}

.choice-btn:hover::before {
    transform: scaleY(1);
}

.choice-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    padding-left: 22px;
}

.choice-btn:active {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.choice-cost {
    display: block;
    font-size: 10px;
    color: var(--text-dim);
    margin-top: 4px;
}

.narrative-box {
    width: 100%;
    max-width: 520px;
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.8;
    text-align: center;
    min-height: 60px;
}

.log-list { display: flex; flex-direction: column; gap: 8px; }

.log-entry {
    font-size: 11px;
    line-height: 1.5;
    padding: 6px 0;
    border-bottom: 1px solid #111820;
    color: var(--text-dim);
}

.log-entry .log-time { color: var(--accent); margin-right: 6px; }
.log-entry.warn .log-time { color: var(--warn); }
.log-entry.danger .log-time { color: var(--danger); }
.log-entry.success .log-time { color: var(--success); }

#screen-end {
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #0a1628 0%, #080c10 70%);
}

.end-content { text-align: center; max-width: 500px; }

.end-icon { font-size: 80px; display: block; margin-bottom: 16px; }

#end-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 16px;
}

#end-desc {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 32px;
}

#btn-restart {
    border-color: var(--accent2);
    color: var(--accent2);
}

#btn-restart:hover {
    background: var(--accent2);
    color: var(--bg);
    box-shadow: 0 0 20px var(--accent2);
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--panel); }
::-webkit-scrollbar-thumb { background: var(--border); }

.status-nominal { color: var(--success) !important; }
.status-warning { color: var(--warn) !important; }
.status-critical { color: var(--danger) !important; animation: blink 0.5s infinite ; }

@keyframes blink {
    0%, 100% { opacity: 1; } 50% { opacity: 0.2; }
}

.countdown-wrap {
    width: 100%;
    height: 6px;
    background: #111820;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    overflow: hidden;
}

.countdown-bar {
    height: 100%;
    width: 100%;
    background: var(--success);
    transition: background 0.3s;
}

.alert-flash {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
    animation: flash-red 0.6s ease;
}

@keyframes flash-red {
    0% { background: rgba(255,50,50,0.25); }
    100% { background: transparent; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.shaking { animation: shake 0.4s ease; }

.phase-text-label {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 6px;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent);
}

.resource-critical {
    animation: pulse-danger 0.8s infinite;
}

@keyframes pulse-danger {
    0%, 100% { opacity: 1; color: var(--danger); }
    50% { opacity: 0.3; color: var(--danger); }
}

.resource-warning {
    color: var(--warn) !important;
}

.panel-telemetry.state-critical {
    box-shadow: inset 0 0 20px rgba(255,50,50,0.15);
    border-color: var(--danger) !important;
}

.panel-telemetry.state-warning {
    box-shadow: inset 0 0 15px rgba(255,215,0,0.1);
    border-color: var(--warn) !important;
}

#screen-playstyle {
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #0a1628 0%, #080c10 70%);
    flex-direction: column;
}

.playstyle-content {
    text-align: center;
    max-width: 800px;
    width: 100%;
    padding: 0 20px;
}

.playstyle-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 6px;
    text-shadow: 0 0 20px var(--accent);
    margin-bottom: 8px;
}

.playstyle-sub {
    color: var(--text-dim);
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.playstyle-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.playstyle-card {
    border: 1px solid var(--border);
    background: var(--panel);
    padding: 24px 16px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.playstyle-card:hover {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-4px);
}

.playstyle-card.selected {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.ps-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.ps-name {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.ps-desc {
    font-size: 11px;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 14px;
}

.ps-stats {
    font-size: 10px;
    color: var(--success);
    letter-spacing: 1px;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}

#tutorial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#tutorial-box {
    background: var(--panel);
    border: 2px solid var(--accent);
    padding: 20px;
    max-width: 400px;
    text-align: center;
}

.tutorial-highlight {
    position: relative;
    z-index: 10000;
    box-shadow: 0 0 20px var(--accent);
}