:root {
    --primary: #2ecc71;
    --primary-dark: #1a9c54;
    --primary-glow: rgba(46, 204, 113, 0.4);
    --accent: #3498db;
    --gold: #f1c40f;
    --danger: #e74c3c;
    --bg-dark: #0a0a1a;
    --bg-card: rgba(16, 16, 35, 0.94);
    --text-primary: #fff;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a8a;
    --border: rgba(255, 255, 255, 0.07);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { width: 100%; min-height: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    user-select: none;
    overscroll-behavior: none;
}
button, input { font: inherit; }
button, input, #actionBar { touch-action: manipulation; }

#app {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 100%, #1a1a3e 0%, #0a0a1a 70%);
}

#hud {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
    background: rgba(0, 0, 0, 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 10;
    gap: 8px;
    flex-wrap: wrap;
    min-height: 56px;
}
.hud-left, .hud-right { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hud-item { display: flex; flex-direction: column; font-size: 9px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; min-width: 44px; }
.hud-value { font-weight: 800; color: var(--text-primary); font-size: 14px; margin-top: 1px; }
.hud-item.highlight .hud-value { color: var(--primary); }
.hud-item.gold .hud-value { color: var(--gold); }
.hud-item.plant-health .hud-value { color: #f39c12; }
.hud-progress { width: 50px; height: 3px; background: rgba(255,255,255,.06); border-radius: 3px; overflow: hidden; margin-top: 2px; }
.hud-progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--gold)); border-radius: 3px; transition: width .5s ease; }

#gameView { flex: 1; position: relative; overflow: hidden; min-height: 0; z-index: 1; }
#scene { width: 100%; height: 100%; position: relative; background: radial-gradient(ellipse at 50% 80%, #1a2a3a 0%, #0a0a1a 100%); touch-action: pan-y; }
#particleCanvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }
#sceneContent {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 18px max(16px, env(safe-area-inset-right)) 24px max(16px, env(safe-area-inset-left));
    gap: 12px;
    z-index: 3;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
}

.location-name { font-size: 24px; font-weight: 800; color: var(--primary); text-shadow: 0 0 40px var(--primary-glow); text-align: center; letter-spacing: .5px; flex-shrink: 0; }
.location-desc { color: var(--text-secondary); text-align: center; max-width: 480px; font-size: 13px; opacity: .8; line-height: 1.45; flex-shrink: 0; }

.plant-card, .npc-card, .empty-space {
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    width: min(100%, 440px);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeUp .35s ease;
    flex-shrink: 0;
}
.plant-card { padding: 28px 32px 20px; text-align: center; }
.plant-emoji { font-size: 80px; display: block; line-height: 1.2; transition: transform .3s ease; }
.plant-emoji.harvest-ready { animation: pulseGlow 1.5s ease-in-out infinite; }
.plant-name { font-size: 20px; font-weight: 800; margin-top: 8px; }
.plant-stage-text { font-size: 14px; color: var(--text-secondary); margin-top: 2px; }
.plant-badge { display: inline-block; padding: 3px 16px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; margin-top: 6px; }
.plant-badge.seed { background: rgba(149,125,173,.3); color: #b39ddb; }
.plant-badge.seedling, .plant-badge.vegetative { background: rgba(46,204,113,.2); color: var(--primary); }
.plant-badge.flowering, .plant-badge.harvest_ready { background: rgba(241,196,15,.2); color: var(--gold); }
.plant-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.plant-stat { font-size: 12px; color: var(--text-muted); display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; text-align: left; }
.plant-stat .stat-value { font-weight: 700; color: var(--text-primary); font-size: 13px; text-align: right; }
.stat-bar { grid-column: 1 / -1; width: 100%; height: 4px; background: rgba(255,255,255,.06); border-radius: 4px; overflow: hidden; }
.stat-bar-fill { height: 100%; border-radius: 4px; transition: width .5s ease; }
.stat-bar-fill.good { background: var(--primary); }
.stat-bar-fill.warning { background: var(--gold); }
.stat-bar-fill.danger { background: var(--danger); }

.phenotype-profile { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); text-align: left; }
.profile-heading { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .4px; text-transform: uppercase; }
.profile-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; margin-top: 9px; }
.profile-item { min-width: 0; padding: 8px 5px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255,255,255,.025); text-align: center; }
.profile-label { display: block; color: var(--text-muted); font-size: 8px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.profile-value { display: block; margin-top: 3px; color: var(--text-primary); font-size: 12px; overflow: hidden; text-overflow: ellipsis; }
.trait-row { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.trait-chip { padding: 4px 8px; border-radius: 999px; background: rgba(52,152,219,.10); border: 1px solid rgba(52,152,219,.16); color: var(--text-secondary); font-size: 10px; font-weight: 700; }
.trait-chip.muted { opacity: .65; }

.environment-card {
    width: min(100%, 560px);
    flex-shrink: 0;
    padding: 16px;
    border-radius: 20px;
    background: rgba(12, 14, 31, .95);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    animation: fadeUp .35s ease;
}
.environment-card.status-good { border-color: rgba(46,204,113,.2); }
.environment-card.status-warning { border-color: rgba(241,196,15,.22); }
.environment-card.status-danger { border-color: rgba(231,76,60,.24); }
.environment-header { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.environment-header > div:first-child strong { display: block; font-size: 15px; }
.environment-header > div:first-child span { display: block; margin-top: 2px; color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: .8px; }
.environment-score { min-width: 64px; text-align: right; }
.environment-score strong { display: block; font-size: 18px; }
.environment-score span { display: block; margin-top: 1px; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; }
.environment-score.good { color: var(--primary); }
.environment-score.warning { color: var(--gold); }
.environment-score.danger { color: var(--danger); }
.vpd-readout { margin: 10px 0; padding: 7px 10px; border-radius: 10px; background: rgba(52,152,219,.07); color: var(--text-secondary); font-size: 11px; text-align: center; }
.environment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.environment-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; padding: 7px 8px; border: 1px solid var(--border); border-radius: 11px; background: rgba(255,255,255,.02); }
.environment-label { min-width: 0; color: var(--text-secondary); font-size: 10px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; }
.environment-controls { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }
.environment-value { min-width: 44px; text-align: center; color: var(--text-primary); font-size: 11px; font-variant-numeric: tabular-nums; }
.env-step { width: 34px; height: 34px; padding: 0; border: 1px solid var(--border); border-radius: 9px; background: rgba(255,255,255,.035); color: var(--text-primary); font-size: 18px; font-weight: 700; cursor: pointer; touch-action: manipulation; }
.env-step:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.14); }
.env-step:active { transform: scale(.94); }
.simulation-note { margin: 10px 2px 0; color: var(--text-muted); font-size: 9px; line-height: 1.4; text-align: center; }

.empty-space { padding: 30px 24px; text-align: center; border-style: dashed; flex-shrink: 0; }
.empty-space .icon { font-size: 56px; display: block; opacity: .4; }
.empty-space .title { font-size: 17px; font-weight: 700; color: var(--text-secondary); margin-top: 8px; }
.empty-space .subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.npc-card {
    padding: 20px 28px;
    text-align: center;
    color: var(--text-primary);
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.npc-card:hover { transform: translateY(-4px); border-color: rgba(52,152,219,.3); background: rgba(20,20,45,.96); }
.npc-card:active { transform: scale(.98); }
.npc-card span { display: block; }
.npc-emoji { font-size: 48px; }
.npc-name { font-size: 17px; font-weight: 700; margin-top: 6px; }
.npc-title { font-size: 12px; color: var(--text-muted); }
.npc-hint { margin-top: 8px; font-size: 10px; color: var(--accent); text-transform: uppercase; letter-spacing: 1.5px; }

.travel-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; width: min(100%, 520px); flex-shrink: 0; }
.travel-button {
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid rgba(52,152,219,.18);
    background: rgba(52,152,219,.08);
    color: var(--text-primary);
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.travel-button:hover { transform: translateY(-2px); background: rgba(52,152,219,.15); border-color: rgba(52,152,219,.3); }

#actionBar {
    display: flex;
    gap: 6px;
    padding: 8px max(12px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    background: rgba(0,0,0,.86);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: center;
    z-index: 10;
}
#actionBar button {
    padding: 10px 14px;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease;
    min-height: 44px;
    min-width: 48px;
    flex: 1;
    max-width: 120px;
}
#actionBar button:hover { background: rgba(255,255,255,.07); color: var(--text-primary); transform: translateY(-2px); }
#actionBar button:active { transform: scale(.97); }
#actionBar button:disabled { opacity: .25; cursor: not-allowed; transform: none; }
#actionBar .btn-primary { background: rgba(46,204,113,.12); border-color: rgba(46,204,113,.18); color: var(--primary); }
#actionBar .btn-accent { background: rgba(52,152,219,.1); border-color: rgba(52,152,219,.16); color: var(--accent); }
#actionBar .btn-gold { background: rgba(241,196,15,.1); border-color: rgba(241,196,15,.16); color: var(--gold); }

.modal {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(0,0,0,.86);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
}
.modal-box {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 32px 28px;
    max-width: 460px;
    width: 100%;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-height: 85vh;
    max-height: 85dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.modal-box h1, .modal-box h2 { font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.modal-box h1 .highlight, .modal-box h2 .highlight { color: var(--primary); }
.modal-box p { color: var(--text-secondary); line-height: 1.7; font-size: 15px; margin-bottom: 16px; white-space: pre-line; }
#dialogChoices { display: flex; flex-direction: column; gap: 8px; margin: 12px 0 16px; }
#dialogChoices button, .modal-close {
    padding: 12px 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
#dialogChoices button { text-align: left; }
#dialogChoices button:hover, .modal-close:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); }
#dialogChoices button:active, .modal-close:active { transform: scale(.98); }
.modal-close { width: 100%; color: var(--text-secondary); }

.inv-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; margin-top: 6px; background: rgba(255,255,255,.025); border-radius: 10px; border: 1px solid var(--border); }
.inv-item .name { font-weight: 500; color: var(--text-primary); text-transform: capitalize; }
.inv-item .count { color: var(--text-muted); font-weight: 700; background: rgba(255,255,255,.04); padding: 2px 10px; border-radius: 10px; }
.inv-empty { text-align: center; padding: 24px 16px; color: var(--text-muted); }
.inventory-money { margin-top: 12px; border-color: rgba(241,196,15,.16); }

.start-badge { display: inline-block; background: rgba(46,204,113,.1); padding: 4px 16px; border-radius: 20px; font-size: 11px; color: var(--primary); font-weight: 700; margin-bottom: 16px; border: 1px solid rgba(46,204,113,.15); }
.start-tagline { color: var(--text-muted); font-size: 13px; margin-bottom: 6px; letter-spacing: 4px; text-transform: uppercase; }
#nameInput { width: 100%; padding: 14px 18px; background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 12px; color: var(--text-primary); font-size: 16px; font-weight: 500; margin: 8px 0 16px; }
#nameInput::placeholder { color: var(--text-muted); }
.start-btn-group { display: flex; flex-direction: column; gap: 10px; }
.start-btn { padding: 14px 20px; border: 1px solid transparent; border-radius: 12px; font-size: 16px; font-weight: 700; cursor: pointer; min-height: 48px; }
.start-btn.primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 4px 20px rgba(46,204,113,.2); }
.start-btn.secondary { background: rgba(255,255,255,.03); border-color: var(--border); color: var(--text-secondary); }
.start-btn:disabled { opacity: .35; cursor: not-allowed; }

button:focus-visible, input:focus-visible, .npc-card:focus-visible, .travel-button:focus-visible, .env-step:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulseGlow { 0%,100% { filter: drop-shadow(0 0 18px rgba(241,196,15,.2)); transform: scale(1); } 50% { filter: drop-shadow(0 0 40px rgba(241,196,15,.5)); transform: scale(1.04); } }

@media (max-width: 640px) {
    #hud { padding-top: max(6px, env(safe-area-inset-top)); min-height: 48px; }
    .hud-left, .hud-right { gap: 8px; }
    .hud-item { font-size: 8px; min-width: 32px; }
    .hud-value { font-size: 12px; }
    .hud-progress { width: 35px; }
    .location-name { font-size: 19px; }
    .plant-card { padding: 20px 18px 16px; border-radius: 20px; }
    .plant-emoji { font-size: 60px; }
    .plant-stats { gap: 6px 10px; }
    .profile-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .environment-card { padding: 13px; border-radius: 17px; }
    .environment-grid { grid-template-columns: 1fr; }
    .environment-row { min-height: 48px; }
    .env-step { width: 44px; height: 44px; }
    .npc-card { padding: 16px 20px; border-radius: 20px; }
    .npc-emoji { font-size: 40px; }
    #actionBar { gap: 4px; }
    #actionBar button { padding: 8px; font-size: 11px; min-width: 44px; max-width: 84px; }
    .modal-box { padding: 22px 18px; border-radius: 20px; }
}

@media (max-width: 400px) {
    .hud-item { font-size: 7px; min-width: 24px; }
    .hud-value { font-size: 10px; }
    .hud-progress { width: 25px; }
    #actionBar button { font-size: 10px; padding: 7px 5px; min-height: 44px; min-width: 44px; max-width: 68px; border-radius: 9px; }
    .plant-emoji { font-size: 48px; }
    .plant-name { font-size: 16px; }
    .plant-stats { grid-template-columns: 1fr; }
    .profile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .environment-header { align-items: flex-start; }
    .travel-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,.02); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 4px; }

@media (forced-colors: active) {
    #actionBar button, .start-btn, .modal-close, #dialogChoices button, .travel-button, .npc-card, .env-step, #nameInput {
        border: 1px solid ButtonText;
    }
    button:focus-visible, input:focus-visible, .npc-card:focus-visible, .travel-button:focus-visible, .env-step:focus-visible {
        outline: 3px solid Highlight;
        outline-offset: 3px;
    }
}