/* ===== BEN 10: REBORN — Cyberpunk HUD ===== */
:root {
    --omni-green: #1aff7a;
    --omni-green-dark: #0a4e26;
    --omni-bg: #04060a;
    --neon-cyan: #2af3ff;
    --neon-magenta: #ff2af3;
    --neon-yellow: #f5d000;
    --hud-bg: rgba(4, 8, 14, 0.78);
    --hud-edge: rgba(26, 255, 122, 0.55);
}

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

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    background: #000;
    color: #fff;
    font-family: 'JetBrains Mono', 'Fira Mono', 'SF Mono', Menlo, monospace;
    user-select: none;
    -webkit-user-select: none;
}

canvas#game-canvas {
    position: fixed; inset: 0;
    width: 100vw; height: 100vh;
    display: block;
    z-index: 0;
}

.hidden { display: none !important; }

/* ===== LOADING ===== */
#loading {
    position: fixed; inset: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: radial-gradient(circle at 50% 50%, #0a1428 0%, #04060a 70%);
    z-index: 1000;
    gap: 18px;
}
.load-title {
    font-size: 38px; font-weight: 800; letter-spacing: 6px;
    color: var(--omni-green);
    text-shadow: 0 0 20px var(--omni-green), 0 0 40px var(--omni-green);
}
.load-sub { color: #88a0b8; letter-spacing: 2px; font-size: 12px; }
.load-bar {
    width: 320px; height: 4px;
    background: #1a2438;
    border: 1px solid var(--omni-green-dark);
    overflow: hidden;
}
.load-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--omni-green-dark), var(--omni-green));
    box-shadow: 0 0 16px var(--omni-green);
    animation: load 1.4s ease-out forwards;
}
@keyframes load { to { width: 100%; } }

/* ===== HUD ===== */
#hud {
    position: fixed; inset: 0;
    z-index: 50;
    pointer-events: none;
    color: #d0e6ff;
    font-size: 12px;
    letter-spacing: 1.5px;
}
#hud-top {
    position: absolute;
    top: 18px; left: 18px; right: 18px;
    display: flex; justify-content: space-between;
    align-items: flex-start;
}
.hud-label {
    color: var(--omni-green);
    font-size: 10px; letter-spacing: 3px;
    margin-bottom: 4px;
    text-shadow: 0 0 8px var(--omni-green);
}
#hp-block, #score-block {
    background: var(--hud-bg);
    border: 1px solid var(--hud-edge);
    padding: 10px 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 0 24px rgba(26, 255, 122, 0.18) inset;
    min-width: 220px;
    position: relative;
}
#hp-block::before, #score-block::before {
    content: ''; position: absolute;
    top: -1px; left: -1px;
    width: 14px; height: 14px;
    border-top: 2px solid var(--omni-green);
    border-left: 2px solid var(--omni-green);
}
#hp-block::after, #score-block::after {
    content: ''; position: absolute;
    bottom: -1px; right: -1px;
    width: 14px; height: 14px;
    border-bottom: 2px solid var(--omni-green);
    border-right: 2px solid var(--omni-green);
}
#hp-bar {
    width: 220px; height: 18px;
    background: #0a1424;
    border: 1px solid #1f3a4a;
    position: relative;
    overflow: hidden;
}
#hp-fill {
    height: 100%; width: 100%;
    background: linear-gradient(90deg, var(--omni-green-dark), var(--omni-green));
    box-shadow: 0 0 12px var(--omni-green);
    transition: width 200ms ease;
}
#hp-text {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; color: #fff;
    text-shadow: 0 0 4px #000;
    letter-spacing: 1px;
}
#form-label {
    margin-top: 6px;
    color: var(--neon-cyan);
    font-size: 12px; font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 0 0 8px var(--neon-cyan);
}
#score-block { text-align: right; min-width: 180px; }
#score-text {
    font-size: 22px; font-weight: 800;
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow);
    letter-spacing: 4px;
}
#cards-text, #lives-text {
    margin-top: 3px;
    color: #88c0e0;
    font-size: 11px;
}

/* ===== OMNITRIX RING (bottom left) ===== */
#omnitrix-ring {
    position: absolute;
    bottom: 24px; left: 24px;
    width: 130px; height: 130px;
    display: flex; align-items: center; justify-content: center;
}
#omnitrix-dial {
    width: 100%; height: 100%;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, #0a2814 0%, #04100a 60%, #000 100%);
    border: 3px solid var(--omni-green);
    box-shadow:
        0 0 30px var(--omni-green),
        0 0 60px rgba(26, 255, 122, 0.35),
        inset 0 0 24px rgba(26, 255, 122, 0.5);
    position: relative;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    transition: all 200ms ease;
}
#omnitrix-dial.cycling {
    animation: omni-pulse 0.4s ease-in-out infinite alternate;
    border-color: #fff;
    box-shadow:
        0 0 40px #fff,
        0 0 80px var(--omni-green),
        inset 0 0 30px var(--omni-green);
}
@keyframes omni-pulse {
    from { transform: scale(1); }
    to { transform: scale(1.06); }
}
#omnitrix-symbol {
    width: 50px; height: 50px;
    background: conic-gradient(from 0deg, var(--omni-green), #fff, var(--omni-green));
    clip-path: polygon(
        0% 30%, 35% 30%, 50% 50%, 35% 70%, 0% 70%,
        100% 70%, 65% 70%, 50% 50%, 65% 30%, 100% 30%
    );
    filter: drop-shadow(0 0 8px var(--omni-green));
    animation: rot 16s linear infinite;
}
@keyframes rot { to { transform: rotate(360deg); } }
#omnitrix-alien-name {
    position: absolute;
    bottom: -22px;
    font-size: 10px;
    color: var(--omni-green);
    letter-spacing: 2px;
    white-space: nowrap;
    text-shadow: 0 0 6px var(--omni-green);
}

/* ===== PROMPT ===== */
#prompt {
    position: absolute;
    bottom: 60px; left: 50%;
    transform: translateX(-50%);
    background: var(--hud-bg);
    border: 1px solid var(--neon-cyan);
    padding: 10px 18px;
    color: var(--neon-cyan);
    font-size: 13px;
    letter-spacing: 2px;
    text-shadow: 0 0 8px var(--neon-cyan);
    box-shadow: 0 0 24px rgba(42, 243, 255, 0.4);
    opacity: 0;
    transition: opacity 200ms;
}
#prompt.show { opacity: 1; }

/* ===== COMBO ===== */
#combo {
    position: absolute;
    top: 50%; right: 30px;
    transform: translateY(-50%);
    text-align: center;
    color: var(--neon-yellow);
    text-shadow: 0 0 16px var(--neon-yellow), 0 0 32px var(--neon-magenta);
}
#combo-text { font-size: 64px; font-weight: 900; display: block; line-height: 1; }
.combo-label { font-size: 14px; letter-spacing: 6px; }

/* ===== CONTROLS HINT ===== */
#controls-hint {
    position: absolute;
    bottom: 18px; right: 18px;
    background: var(--hud-bg);
    border: 1px solid rgba(42, 243, 255, 0.3);
    padding: 8px 14px;
    color: #6aa;
    font-size: 10px;
    letter-spacing: 1.5px;
}
.kbd {
    display: inline-block;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 1px 6px;
    margin: 0 3px;
    border-radius: 2px;
    background: rgba(42, 243, 255, 0.1);
    font-weight: 700;
}

/* ===== SCREENS ===== */
.screen {
    position: fixed; inset: 0;
    z-index: 200;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(ellipse at center, rgba(4, 8, 20, 0.4) 0%, rgba(4, 8, 14, 0.85) 70%, rgba(0, 0, 0, 0.95) 100%);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* TITLE */
#screen-title { background: #04060a; }
.bg-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(to right, rgba(26, 255, 122, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(26, 255, 122, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(700px) rotateX(60deg) translateY(60px);
    transform-origin: center bottom;
    animation: grid-scroll 8s linear infinite;
    opacity: 0.7;
}
@keyframes grid-scroll { to { background-position: 0 40px; } }
.title-stack { position: relative; text-align: center; }
.title-bg-glow {
    position: absolute; inset: -50px;
    background: radial-gradient(circle, var(--omni-green) 0%, transparent 70%);
    opacity: 0.18;
    filter: blur(40px);
}
.title-main {
    font-size: 144px; font-weight: 900;
    letter-spacing: 12px;
    color: #fff;
    text-shadow:
        0 0 24px var(--omni-green),
        0 0 48px var(--omni-green),
        4px 4px 0 var(--neon-magenta),
        -4px -4px 0 var(--neon-cyan);
    line-height: 1;
    position: relative;
}
.title-sub {
    font-size: 64px; font-weight: 800;
    letter-spacing: 32px;
    color: var(--omni-green);
    text-shadow: 0 0 20px var(--omni-green), 0 0 40px var(--omni-green);
    margin-top: 4px;
}
.title-tag {
    margin-top: 20px;
    color: var(--neon-cyan);
    letter-spacing: 6px;
    font-size: 14px;
    text-shadow: 0 0 8px var(--neon-cyan);
}
.title-press {
    margin-top: 60px;
    font-size: 16px;
    letter-spacing: 4px;
    color: var(--omni-green);
    animation: blink 1.2s ease-in-out infinite;
    text-shadow: 0 0 8px var(--omni-green);
}
@keyframes blink { 50% { opacity: 0.2; } }
.title-foot {
    margin-top: 80px;
    color: #557;
    font-size: 11px;
    letter-spacing: 3px;
}

/* MISSION / COMPLETE / BOSS / END */
.mission-card, .complete-card, .boss-card, .end-card {
    background: var(--hud-bg);
    border: 2px solid var(--omni-green);
    padding: 36px 56px;
    max-width: 560px;
    text-align: center;
    position: relative;
    box-shadow:
        0 0 40px rgba(26, 255, 122, 0.3),
        inset 0 0 30px rgba(26, 255, 122, 0.1);
}
.mission-card::before, .mission-card::after,
.complete-card::before, .complete-card::after,
.boss-card::before, .boss-card::after,
.end-card::before, .end-card::after {
    content: ''; position: absolute;
    width: 24px; height: 24px;
    border-color: var(--omni-green);
    border-style: solid;
}
.mission-card::before, .complete-card::before, .boss-card::before, .end-card::before {
    top: -2px; left: -2px;
    border-width: 3px 0 0 3px;
}
.mission-card::after, .complete-card::after, .boss-card::after, .end-card::after {
    bottom: -2px; right: -2px;
    border-width: 0 3px 3px 0;
}
.mission-banner, .complete-banner, .boss-banner, .end-banner {
    font-size: 14px; letter-spacing: 6px;
    color: var(--omni-green);
    text-shadow: 0 0 8px var(--omni-green);
    margin-bottom: 18px;
}
.complete-banner { color: var(--neon-yellow); text-shadow: 0 0 8px var(--neon-yellow); }
.boss-banner { color: var(--neon-magenta); text-shadow: 0 0 8px var(--neon-magenta); }
.end-bad { color: #ff3a3a; text-shadow: 0 0 8px #ff3a3a; }
.end-good { color: var(--neon-yellow); text-shadow: 0 0 8px var(--neon-yellow); }
.mission-alien, .boss-alien {
    font-size: 48px; font-weight: 800;
    color: #fff;
    letter-spacing: 6px;
    text-shadow: 0 0 18px var(--omni-green);
    margin-bottom: 14px;
}
.boss-alien { text-shadow: 0 0 18px var(--neon-magenta); color: var(--neon-magenta); }
.mission-brief {
    color: #a0c0e0;
    line-height: 1.7;
    font-size: 13px;
    margin-bottom: 22px;
    letter-spacing: 1px;
}
.mission-objective {
    text-align: left;
    background: rgba(0, 0, 0, 0.35);
    border-left: 3px solid var(--omni-green);
    padding: 12px 16px;
    margin-bottom: 22px;
}
.mission-objective > div {
    color: var(--omni-green);
    font-size: 11px; letter-spacing: 3px;
    margin-bottom: 6px;
}
.mission-objective ul {
    list-style: none;
    color: #c0d8f0;
    font-size: 12px;
    line-height: 1.7;
}
.mission-objective li::before {
    content: '> ';
    color: var(--omni-green);
}
.mission-press {
    margin-top: 16px;
    font-size: 13px; letter-spacing: 3px;
    color: var(--omni-green);
    animation: blink 1.2s ease-in-out infinite;
    text-shadow: 0 0 8px var(--omni-green);
}
.end-msg {
    color: #a0c0e0; font-size: 14px;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.end-stats {
    color: var(--neon-yellow);
    font-size: 13px;
    line-height: 1.9;
    margin-bottom: 18px;
}
.pause-card {
    background: var(--hud-bg);
    border: 2px solid var(--omni-green);
    padding: 40px 80px;
    font-size: 48px; font-weight: 800;
    color: var(--omni-green);
    text-shadow: 0 0 16px var(--omni-green);
    text-align: center;
    letter-spacing: 8px;
}
.pause-card .kbd { font-size: 16px; vertical-align: middle; }