:root {
    --bg-deep: #030a16;
    --panel-bg: rgba(6,18,36,0.92);
    --accent-cyan: #00f0ff;
    --accent-gold: #e2b041;
    --accent-scrap: #a0aab5;
    --accent-crystal: #d000ff;
    --accent-green: #00ff66;
    --accent-red: #ff3366;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
* { box-sizing: border-box; user-select: none; margin:0; padding:0; }
body {
    background: var(--bg-deep);
    color: #fff;
    font-family: var(--font-family);
    overflow: hidden;
    width: 100vw; height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    touch-action: none; /* empêche le scroll natif sur mobile */
}
#game-container {
    position: relative;
    width: 100vw; height: 100vh;
}
canvas {
    display: block;
    width: 100%; height: 100%;
    background: radial-gradient(circle at center, #0a2a4a 0%, #020813 100%);
}
#hud {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
    z-index: 10;
    flex-wrap: wrap; /* permet l’empilement sur petit écran */
}
.hud-panel {
    background: var(--panel-bg);
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0,240,255,0.25);
    border-radius: 8px;
    padding: 8px 14px;
    pointer-events: auto;
    backdrop-filter: blur(6px);
    margin-bottom: 5px;
}
.resources { display: flex; gap: 10px; font-weight: bold; font-size:0.95rem; flex-wrap: wrap; }
.res-item { display: flex; align-items: center; gap: 4px; }
.res-gold { color: var(--accent-gold); }
.res-scrap { color: var(--accent-scrap); }
.res-crystal { color: var(--accent-crystal); }
.vessel-stats { margin-top:8px; width:220px; }
.bar-container {
    width:100%; height:10px;
    background: rgba(255,255,255,0.1);
    border-radius:5px;
    overflow:hidden;
    margin-top:3px;
    position:relative;
}
.bar-fill { height:100%; transition: width 0.1s linear; }
.bar-hp { background: var(--accent-green); }
.bar-shield { background: var(--accent-cyan); }
.bar-text {
    position: absolute;
    top:0; left:0;
    width:100%; height:100%;
    font-size:8px; line-height:10px;
    text-align:center;
    font-weight:bold;
    color:#fff;
    text-shadow:1px 1px 2px #000;
}
.nav-buttons { display: flex; gap:6px; flex-wrap: wrap; }
.btn {
    background: linear-gradient(180deg, #124075 0%, #071830 100%);
    border:1px solid var(--accent-cyan);
    color:#fff;
    padding:6px 12px;
    border-radius:5px;
    font-weight:bold;
    cursor:pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    font-size:0.9rem;
}
.btn:hover { background: var(--accent-cyan); color:#000; box-shadow:0 0 12px var(--accent-cyan); }
.btn:active { transform: translateY(1px); }
.depth-info { text-align:right; }
.depth-title { font-size:1.2rem; color:var(--accent-cyan); font-weight:bold; }
.pressure-text { font-size:0.8rem; color:var(--accent-red); margin-top:2px; }

#pause-banner {
    position:absolute;
    top:80px; left:50%;
    transform:translateX(-50%);
    background:rgba(226,176,65,0.15);
    border:1px solid var(--accent-gold);
    color:var(--accent-gold);
    padding:4px 16px;
    border-radius:20px;
    font-weight:bold;
    letter-spacing:1px;
    text-transform:uppercase;
    display:none;
    pointer-events:none;
    z-index:15;
    box-shadow:0 0 15px rgba(226,176,65,0.3);
}
.modal {    
    position:absolute;
    top:50%; left:50%;
    transform:translate(-50%, -50%);
    width:90%; max-width:950px; max-height:88vh;
    background:var(--panel-bg);
    border:2px solid var(--accent-cyan);
    box-shadow:0 0 35px rgba(0,240,255,0.35);
    border-radius:12px;
    padding:20px;
    display:none;
    flex-direction:column;
    z-index:100;
    backdrop-filter:blur(10px);
    overflow-y: auto; /* pour scroller sur mobile */

    top: 60px; /* Commencer juste sous le HUD */
    left: 50%;
    transform: translate(-50%, 0);
    width: 95%; max-width: 1400px;
    height: calc(100vh - 70px); /* Prendre presque tout l'écran, moins le HUD */
}
.modal-header {
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-bottom:1px solid rgba(0,240,255,0.3);
    padding-bottom:10px;
    margin-bottom:10px;
}
.modal-title {
    font-size:1.4rem;
    color:var(--accent-gold);
    text-transform:uppercase;
    letter-spacing:1px;
    font-weight:bold;
}
.close-btn {
    background:transparent;
    border:none;
    color:#fff;
    font-size:1.5rem;
    cursor:pointer;
}
.close-btn:hover { color:var(--accent-red); }
#poe-tree-container {
    flex: 1;
    min-height: 0; /* pour que flex fonctionne */
    position: relative;
    width: 100%;
    height: 100%; /* ou une valeur fixe, mais on veut qu'il remplisse le modal */
    overflow: hidden;
    background: radial-gradient(circle at center, #07152b 0%, #020812 100%);
    border: 1px solid rgba(0,240,255,0.3);
    border-radius: 8px;
}
#skillTreeCanvas {
    width:100%; height:100%;
    cursor:grab;
    touch-action: none; /* on gère nous-mêmes le pan/zoom tactile */
}
#skillTreeCanvas:active { cursor:grabbing; }
#skill-tooltip {
    position:absolute;
    display:none;
    pointer-events:none;
    background:rgba(4,12,24,0.97);
    border:2px solid var(--accent-gold);
    box-shadow:0 0 20px rgba(226,176,65,0.5), 0 4px 12px rgba(0,0,0,0.5);
    padding:12px 14px;
    border-radius:10px;
    z-index:150;
    max-width:280px;
    font-size:0.82rem;
    backdrop-filter: blur(8px);
}
.tt-header {
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:8px;
}
.tt-icon {
    font-size:1.6rem;
    line-height:1;
    filter:drop-shadow(0 0 4px rgba(255,255,255,0.3));
}
.tt-title-wrap {
    flex:1;
}
.tt-title {
    color:var(--accent-gold);
    font-weight:bold;
    font-size:1rem;
    margin-bottom:2px;
    text-shadow:0 0 8px rgba(226,176,65,0.3);
}
.tt-type {
    font-size:0.72rem;
    text-transform:uppercase;
    letter-spacing:0.5px;
    color:var(--accent-cyan);
}
.tt-desc {
    color:#ccc;
    margin-bottom:8px;
    line-height:1.4;
    font-size:0.8rem;
    border-top:1px solid rgba(255,255,255,0.1);
    padding-top:8px;
}
.tt-effects {
    margin-bottom:8px;
    font-size:0.78rem;
    line-height:1.5;
}
.tt-footer {
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-top:1px solid rgba(255,255,255,0.1);
    padding-top:8px;
}
.tt-cost {
    font-weight:bold;
    color:var(--accent-gold);
    font-size:0.82rem;
}
.tt-level {
    color:var(--accent-scrap);
    font-size:0.78rem;
}
.tt-branch-badge, .tt-weapon-badge, .tt-multi-badge {
    display:inline-block;
    padding:1px 6px;
    border-radius:4px;
    font-size:0.68rem;
    margin-right:4px;
    margin-bottom:2px;
    border:1px solid;
}
.tt-weapon-badge {
    background:rgba(0,255,102,0.15);
    border-color:#00ff66;
    color:#00ff88;
}
.tt-multi-badge {
    background:rgba(255,200,0,0.15);
    border-color:#ffcc00;
    color:#ffdd44;
}
.eff-hp, .eff-dmg, .eff-rate, .eff-crit, .eff-range,
.eff-armor, .eff-regen, .eff-shield, .eff-magnet,
.eff-pierce, .eff-laser, .eff-exp, .eff-cannon,
.eff-bounce, .eff-thorns, .eff-lifesteal, .eff-special,
.eff-abyss, .eff-ancient, .eff-drone, .eff-gold {
    display:block;
    margin-bottom:2px;
}

.weapons-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
    max-height:60vh;
    overflow-y:auto;
}
.weapon-card {
    background:rgba(0,0,0,0.4);
    border:1px solid #2c4766;
    border-radius:8px;
    padding:12px;
    display:flex;
    flex-direction:column;
    gap:6px;
    cursor:pointer;
    transition:all 0.2s ease;
}
.weapon-card:hover:not(.locked-card) {
    border-color:var(--accent-cyan);
    background:rgba(0,240,255,0.05);
}
.weapon-card.selected {
    border-color:var(--accent-green);
    box-shadow:0 0 12px rgba(0,255,102,0.3);
    background:rgba(0,255,102,0.05);
}
.weapon-card.locked-card {
    opacity:0.45;
    cursor:not-allowed;
    border-style:dashed;
    filter:grayscale(0.8);
}
.weapon-title {
    font-size:1rem;
    color:var(--accent-cyan);
    display:flex;
    justify-content:space-between;
}
.weapon-stats { font-size:0.8rem; color:#ccc; }

/* ── MEDIA QUERIES ── */

/* Tablettes et mobiles */
@media (max-width: 768px) {
    #hud {
        flex-direction: column;
        align-items: flex-start;
        padding: 5px;
    }
    .hud-panel {
        width: 100%;
        margin-bottom: 5px;
        padding: 5px 8px;
    }
    .resources { font-size:0.85rem; gap: 8px; }
    .vessel-stats { width:100%; }
    .depth-info { text-align:left; margin-top:5px; }
    .modal {
        top: 50px; /* Moins de hauteur pour le HUD sur mobile */
        width: 98%;
        height: calc(100vh - 60px);
        padding: 15px;
    }
    .modal-title { font-size:1.2rem; }
    #poe-tree-container { height: calc(100% - 80px); }
    #skill-search-input { width: 150px; font-size:0.8rem; }
    .weapons-grid { grid-template-columns: 1fr; }
    .btn { padding:5px 10px; font-size:0.8rem; }
}

/* Smartphones */
@media (max-width: 480px) {
    #hud { padding: 3px; }
    .hud-panel { padding: 3px 6px; border-radius: 5px; }
    .resources { font-size:0.75rem; }
    .bar-container { height:6px; }
    .bar-text { font-size:6px; }
    .depth-title { font-size:0.9rem; }
    #pause-banner { top:30px; font-size:0.7rem; }
    .modal {
        top: 45px; /* Moins de hauteur pour le HUD sur smartphone */
        width: 100%;
        height: calc(100vh - 55px);
        padding: 12px;
    }
    #poe-tree-container { height: calc(100% - 60px); }
    #skill-search-input { width: 120px; font-size:0.75rem; }
    .weapon-card { padding: 8px; }
    .weapon-title { font-size:0.9rem; }
}