/* ============ NUCLEAR WINTER — grunge terminal UI ============ */

:root {
    --bg: #0c0e0a;
    --panel: #14170f;
    --panel-2: #1b1f14;
    --rust: #8a4b2a;
    --rust-dark: #5b3018;
    --amber: #d9a441;
    --amber-dim: #9c7530;
    --bone: #d4cbb3;
    --bone-dim: #8f8873;
    --olive: #5c6b3c;
    --blood: #9e2b25;
    --hp: #7ba04a;
    --hp-low: #b3502e;
    --xp: #4a7a8c;
    --font-head: 'Press Start 2P', monospace;
    --font-body: 'VT323', monospace;
}

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

body {
    background: var(--bg);
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(90, 70, 40, 0.10), transparent 60%),
        repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,0.25) 2px 4px);
    color: var(--bone);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.hidden { display: none !important; }

#game-frame {
    width: 968px;
    max-width: 100%;
}

/* ---------- HUD ---------- */
#hud {
    display: flex;
    align-items: stretch;
    gap: 6px;
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    border: 3px solid var(--rust-dark);
    border-bottom: none;
    padding: 6px 10px;
    box-shadow: inset 0 0 18px rgba(0,0,0,0.7);
}

.hud-block { display: flex; align-items: center; gap: 8px; }

.hud-identity {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding-right: 10px;
    border-right: 2px solid var(--rust-dark);
}
#hud-class { font-family: var(--font-head); font-size: 9px; color: var(--amber); letter-spacing: 1px; }
#hud-level { font-family: var(--font-head); font-size: 8px; color: var(--bone-dim); }

.hud-bars { flex-direction: column; align-items: stretch; gap: 4px; flex: 1; padding: 0 8px; }
.bar-row { display: flex; align-items: center; gap: 6px; }
.bar-label { font-family: var(--font-head); font-size: 8px; width: 20px; color: var(--bone-dim); }
.bar {
    flex: 1;
    height: 12px;
    background: #0a0c08;
    border: 2px solid #2b2b20;
    position: relative;
    overflow: hidden;
}
.bar > div { height: 100%; transition: width 0.25s steps(8); }
#hp-fill { background: linear-gradient(180deg, var(--hp), #55702f); width: 100%; }
#hp-fill.low { background: linear-gradient(180deg, var(--hp-low), #7c3116); }
#xp-fill { background: linear-gradient(180deg, var(--xp), #32545f); width: 0%; }
#hp-num, #xp-num { font-size: 15px; color: var(--bone-dim); min-width: 62px; text-align: right; }

.hud-gold { padding: 0 10px; border-left: 2px solid var(--rust-dark); }
.gold-coin {
    width: 12px; height: 12px;
    background: radial-gradient(circle at 35% 35%, #ffe08a, var(--amber) 60%, #7a5a1d);
    border: 1px solid #4c3812;
    display: inline-block;
}
#hud-gold { font-size: 20px; color: var(--amber); }

.hud-weapon { padding: 0 10px; border-left: 2px solid var(--rust-dark); }
#hud-weapon-icon { width: 32px; height: 32px; image-rendering: pixelated; }
#hud-weapon-name { font-size: 16px; color: var(--bone); max-width: 110px; }

.hud-buttons { gap: 4px; border-left: 2px solid var(--rust-dark); padding-left: 8px; }
.hud-buttons button {
    font-family: var(--font-head);
    font-size: 8px;
    background: var(--panel);
    color: var(--bone-dim);
    border: 2px solid var(--rust-dark);
    padding: 6px 7px;
    cursor: pointer;
}
.hud-buttons button:hover { color: var(--amber); border-color: var(--rust); }

/* ---------- Viewport ---------- */
#viewport {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 2;
    border: 3px solid var(--rust-dark);
    background: #000;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0,0,0,0.9), inset 0 0 60px rgba(0,0,0,0.5);
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* scanline / vignette over everything in viewport */
#viewport::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(0deg, transparent 0 3px, rgba(0,0,0,0.10) 3px 4px),
        radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.45) 100%);
    z-index: 50;
}

/* ---------- Full-viewport screens ---------- */
.screen {
    position: absolute;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: rgba(8, 10, 6, 0.92);
    text-align: center;
    padding: 20px;
}

#title-overlay { background: transparent; }

#game-title {
    font-family: var(--font-head);
    font-size: 44px;
    line-height: 1.25;
    color: var(--bone);
    text-shadow:
        0 0 12px rgba(217, 164, 65, 0.35),
        4px 4px 0 var(--rust-dark),
        8px 8px 0 rgba(0,0,0,0.6);
    animation: title-flicker 4s infinite;
    letter-spacing: 4px;
}

@keyframes title-flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.55; }
    94% { opacity: 1; }
    96% { opacity: 0.75; }
    97% { opacity: 1; }
}

.title-sub {
    font-size: 22px;
    color: var(--amber-dim);
    letter-spacing: 6px;
    text-transform: uppercase;
}

.title-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }

.title-credit {
    position: absolute;
    bottom: 12px;
    font-size: 16px;
    color: var(--bone-dim);
    letter-spacing: 2px;
}

.px-btn {
    font-family: var(--font-head);
    font-size: 12px;
    padding: 12px 26px;
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    color: var(--bone);
    border: 3px solid var(--rust);
    box-shadow: 0 4px 0 var(--rust-dark), inset 0 0 12px rgba(0,0,0,0.6);
    cursor: pointer;
    letter-spacing: 1px;
}
.px-btn:hover { color: var(--amber); border-color: var(--amber-dim); }
.px-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--rust-dark); }
.px-btn:disabled { opacity: 0.4; cursor: default; }

/* ---------- Class select ---------- */
.screen-title {
    font-family: var(--font-head);
    font-size: 18px;
    color: var(--amber);
    text-shadow: 3px 3px 0 rgba(0,0,0,0.7);
}
.screen-sub { font-size: 20px; color: var(--bone-dim); letter-spacing: 2px; }

#class-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    width: 100%;
    max-width: 860px;
}

.class-card {
    background: var(--panel);
    border: 3px solid var(--rust-dark);
    padding: 12px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: border-color 0.1s;
}
.class-card:hover { border-color: var(--amber); background: var(--panel-2); }
.class-card img { width: 64px; height: 64px; image-rendering: pixelated; }
.class-card h3 { font-family: var(--font-head); font-size: 10px; color: var(--amber); }
.class-card .class-desc { font-size: 15px; color: var(--bone-dim); line-height: 1.15; min-height: 74px; }
.class-card .class-stats { font-size: 15px; color: var(--bone); line-height: 1.3; width: 100%; text-align: left; padding: 0 6px; }
.class-card .class-stats b { color: var(--amber-dim); }

/* ---------- Intro ---------- */
#intro-overlay { justify-content: center; gap: 16px; }
#intro-canvas {
    width: 720px;
    max-width: 92%;
    image-rendering: pixelated;
    border: 3px solid var(--rust-dark);
}
#intro-text {
    font-size: 22px;
    max-width: 720px;
    line-height: 1.3;
    color: var(--bone);
    min-height: 60px;
}

/* ---------- Dialogue ---------- */
#dialogue-box {
    position: absolute;
    left: 12px; right: 12px; bottom: 12px;
    z-index: 45;
    background: rgba(12, 14, 9, 0.94);
    border: 3px solid var(--rust);
    box-shadow: 0 0 20px rgba(0,0,0,0.8), inset 0 0 14px rgba(0,0,0,0.6);
    padding: 10px 16px 14px;
    min-height: 84px;
}
#dialogue-name {
    font-family: var(--font-head);
    font-size: 10px;
    color: var(--amber);
    margin-bottom: 6px;
    letter-spacing: 1px;
}
#dialogue-text { font-size: 24px; line-height: 1.2; color: var(--bone); }
#dialogue-more {
    position: absolute;
    right: 12px; bottom: 6px;
    color: var(--amber);
    font-size: 16px;
    animation: bob 0.7s infinite alternate;
}
@keyframes bob { from { transform: translateY(0); } to { transform: translateY(4px); } }

/* ---------- Combat ---------- */
#combat-overlay {
    position: absolute;
    inset: 0;
    z-index: 44;
    display: flex;
    flex-direction: column;
    background: #000;
}
#combat-canvas {
    width: 100%;
    flex: 1;
    image-rendering: pixelated;
    display: block;
    min-height: 0;
}
#combat-enemy-bar {
    position: absolute;
    top: 10px; left: 14px; right: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
#combat-enemy-name {
    font-family: var(--font-head);
    font-size: 10px;
    color: var(--bone);
    text-shadow: 2px 2px 0 #000;
    white-space: nowrap;
}
.enemy-bar { max-width: 220px; height: 10px; }
#enemy-hp-fill { background: linear-gradient(180deg, var(--blood), #5e120e); width: 100%; }
#enemy-hp-num { font-size: 16px; color: var(--bone-dim); text-shadow: 1px 1px 0 #000; }

#combat-panel {
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    border-top: 3px solid var(--rust);
    padding: 10px 16px;
    min-height: 118px;
}
#combat-log { font-size: 22px; color: var(--bone); min-height: 30px; line-height: 1.15; }
#combat-buttons { display: flex; gap: 10px; margin-top: 10px; }
#combat-buttons .px-btn { font-size: 10px; padding: 9px 18px; }
#btn-attack { border-color: var(--blood); }
#btn-attack:hover { color: #e8695f; border-color: #e8695f; }
#combat-items { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
#combat-items button {
    font-family: var(--font-body);
    font-size: 18px;
    background: var(--panel);
    color: var(--bone);
    border: 2px solid var(--olive);
    padding: 4px 10px;
    cursor: pointer;
}
#combat-items button:hover { color: var(--amber); }

/* ---------- Panels (inventory / quest / shop) ---------- */
.panel-overlay {
    position: absolute;
    inset: 0;
    z-index: 46;
    background: rgba(0,0,0,0.65);
    display: flex;
    align-items: center;
    justify-content: center;
}
.panel {
    background: var(--panel);
    border: 3px solid var(--rust);
    box-shadow: 0 0 30px rgba(0,0,0,0.9);
    padding: 18px 22px;
    min-width: 380px;
    max-width: 560px;
    max-height: 88%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}
.panel-title { font-family: var(--font-head); font-size: 14px; color: var(--amber); letter-spacing: 2px; }

#inv-grid {
    display: grid;
    grid-template-columns: repeat(4, 76px);
    gap: 8px;
}
.inv-slot {
    width: 76px; height: 92px;
    background: #0d0f0a;
    border: 2px solid #2b2b20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    text-align: center;
}
.inv-slot:hover { border-color: var(--amber-dim); }
.inv-slot img { width: 40px; height: 40px; image-rendering: pixelated; }
.inv-slot span { font-size: 14px; color: var(--bone-dim); line-height: 1; }
.inv-slot .inv-count { color: var(--amber); font-size: 15px; }
.inv-slot.empty { opacity: 0.35; cursor: default; }

#inv-weapon-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    color: var(--bone);
    border-top: 2px solid var(--rust-dark);
    padding-top: 10px;
    width: 100%;
    justify-content: center;
}
#inv-weapon-row img { width: 36px; height: 36px; image-rendering: pixelated; }
#inv-weapon-row .weapon-stats { color: var(--bone-dim); font-size: 17px; }

#quest-text { font-size: 22px; line-height: 1.3; color: var(--bone); max-width: 460px; }

.shop-panel { min-width: 480px; }
.shop-gold { font-size: 22px; color: var(--amber); }
#shop-list { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.shop-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #0d0f0a;
    border: 2px solid #2b2b20;
    padding: 8px 12px;
}
.shop-item img { width: 36px; height: 36px; image-rendering: pixelated; }
.shop-item .shop-info { flex: 1; }
.shop-item .shop-name { font-size: 20px; color: var(--bone); }
.shop-item .shop-desc { font-size: 15px; color: var(--bone-dim); line-height: 1.1; }
.shop-item .shop-price { font-size: 20px; color: var(--amber); white-space: nowrap; }
.shop-item button {
    font-family: var(--font-head);
    font-size: 9px;
    padding: 8px 12px;
    background: var(--panel-2);
    color: var(--bone);
    border: 2px solid var(--olive);
    cursor: pointer;
}
.shop-item button:hover:not(:disabled) { color: var(--amber); border-color: var(--amber-dim); }
.shop-item button:disabled { opacity: 0.35; cursor: default; }

/* ---------- Death / Ending ---------- */
.death-title {
    font-family: var(--font-head);
    font-size: 40px;
    color: var(--blood);
    text-shadow: 0 0 24px rgba(158, 43, 37, 0.5), 4px 4px 0 #000;
}
#death-text { font-size: 24px; color: var(--bone-dim); }

.ending-title {
    font-family: var(--font-head);
    font-size: 22px;
    color: var(--amber);
    text-shadow: 3px 3px 0 #000;
    line-height: 1.5;
}
#ending-text { font-size: 22px; color: var(--bone); line-height: 1.35; max-width: 640px; }
#ending-text .ending-stats { color: var(--bone-dim); font-size: 19px; margin-top: 10px; display: block; }

/* ---------- Area toast ---------- */
#area-toast {
    position: absolute;
    top: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 43;
    font-family: var(--font-head);
    font-size: 12px;
    color: var(--bone);
    background: rgba(12, 14, 9, 0.85);
    border: 2px solid var(--rust-dark);
    padding: 8px 18px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 0 #000;
    animation: toast-fade 3s forwards;
    pointer-events: none;
    white-space: nowrap;
}
@keyframes toast-fade {
    0% { opacity: 0; transform: translateX(-50%) translateY(-8px); }
    12% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

/* ---------- Controls hint ---------- */
#controls-hint {
    display: flex;
    justify-content: center;
    gap: 22px;
    padding: 8px 0 2px;
    font-size: 17px;
    color: var(--bone-dim);
    letter-spacing: 1px;
}

/* ---------- Small screens ---------- */
@media (max-width: 700px) {
    #game-title { font-size: 26px; }
    #class-cards { grid-template-columns: repeat(2, 1fr); }
    .hud-weapon, .hud-gold { display: none; }
}