/* ── RESET ────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

/* ── TOKENS ───────────────────────────────── */
:root {
    --red: #ff2d55;
    --red-dark: #a0142f;
    --red-glow: rgba(255, 45, 85, 0.55);
    --green: #0fff72;
    --green-dark: #0a7a3a;
    --gold: #ffd700;
    --bg: #07070f;
    --panel: rgba(12, 12, 22, 0.88);
    --border: rgba(255, 255, 255, 0.08);
    --font-hud: 'Orbitron', sans-serif;
    --font-body: 'Exo 2', sans-serif;
}

/* ── BASE ─────────────────────────────────── */
html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    font-family: var(--font-body);
}

/* ── LAYOUT ───────────────────────────────── */
#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Procedural BG canvas sits behind everything */
#bgCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Game canvas */
#gameCanvas {
    position: relative;
    z-index: 1;
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 9 / 16;
    border-radius: 12px;
    /* 3D floating card look */
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 0 40px rgba(255, 45, 85, 0.18),
        0 0 80px rgba(0, 0, 0, 0.9),
        inset 0 0 60px rgba(0, 0, 0, 0.5);
}

/* ── SCREENS ──────────────────────────────── */
.screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 450px;
    height: 100%;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 20;
    color: #fff;
    padding: 24px;
    text-align: center;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ── PANEL CARD (shared by screens & modal) ── */
.panel-card {
    background: linear-gradient(160deg, rgba(20, 20, 36, 0.95) 0%, rgba(10, 10, 18, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 24px;
    padding: 36px 32px;
    width: 90%;
    max-width: 360px;
    box-shadow:
        0 0 0 1px rgba(255, 45, 85, 0.12),
        0 8px 32px rgba(0, 0, 0, 0.7),
        0 32px 64px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(16px);
    /* Subtle 3D tilt feel */
    transform: perspective(900px) rotateX(1deg);
}

/* ── LOGO / TITLE ─────────────────────────── */
.game-logo {
    font-family: var(--font-hud);
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 6px;
    /* layered text-shadow for neon depth */
    color: #fff;
    text-shadow: 2px 2px 0px #ff6b6b, 4px 4px 0px var(--red), 12px 12px 20px rgba(0, 0, 0, 0.5);
}

.game-subtitle {
    font-size: 0.72rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 28px;
    font-family: var(--font-hud);
    margin-top: 20px;
}

/* ── CANNON ICON SVG ──────────────────────── */
.cannon-icon-wrap {
    margin: 0 auto 20px;
    width: 80px;
    height: 80px;
    position: relative;
    filter: drop-shadow(0 0 12px var(--red));
}

/* ── STATS BOX ────────────────────────────── */
.stats-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 14px;
    padding: 14px 20px;
    margin-bottom: 24px;
    width: 100%;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-hud);
    font-size: 0.78rem;
    letter-spacing: 1px;
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-val {
    color: var(--red);
    font-weight: 700;
    font-size: 1rem;
}

.stat-val-victory {
    color: var(--green);
    font-weight: 700;
    font-size: 1rem;
}

/* ── BUTTONS ──────────────────────────────── */
.btn {
    display: block;
    width: 100%;
    padding: 16px 24px;
    font-family: var(--font-hud);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    margin: 8px 0;
    position: relative;
    overflow: hidden;
    transition: transform 0.08s, box-shadow 0.08s;
    /* 3D pressed effect */
    background: linear-gradient(180deg, #ff4d7d 0%, #c8103a 60%, #9e0d2e 100%);
    box-shadow:
        0 8px 0 #6b0720,
        0 12px 24px rgba(255, 45, 85, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transform: skewX(-20deg);
    transition: left 0.4s ease;
}

.btn:hover::before {
    left: 130%;
}

.btn:active {
    transform: translateY(6px);
    box-shadow: 0 2px 0 #6b0720, 0 4px 12px rgba(255, 45, 85, 0.2);
}

.btn-victory {
    background: linear-gradient(180deg, #00ff88 0%, #00b85a 60%, #007a3d 100%) !important;
    box-shadow: 0 8px 0 #004d26, 0 12px 24px rgba(0, 255, 136, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}

.btn-victory:active {
    box-shadow: 0 2px 0 #004d26 !important;
}

/* Secondary ghost button */
.btn-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 0 #1b1718,
        0 12px 24px rgba(255, 255, 255, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.78rem;
    letter-spacing: 2px;
    padding: 15px;
    margin-top: 20px;

}

.btn-ghost:active {
    transform: scale(0.97);
    box-shadow: none;
}

/* ── LEVEL PIPS ───────────────────────────── */
.level-pips {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 22px;
}

.pip {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: background 0.3s;
}

.pip.done {
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
}

/* ── HUD AUDIO TOGGLE ─────────────────────── */
#audio-toggle {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 30;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(10, 10, 18, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.1s;
}

#audio-toggle:active {
    transform: scale(0.9);
}

/* ── MODAL ────────────────────────────────── */
.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 4, 10, 0.92);
    z-index: 30;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(6px);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-content {
    width: 88%;
    max-width: 370px;
    background: linear-gradient(160deg, rgba(22, 22, 38, 0.98) 0%, rgba(12, 12, 20, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 24px;
    padding: 28px 24px;
    color: #fff;
    text-align: center;
    box-shadow:
        0 0 0 1px rgba(255, 45, 85, 0.15),
        0 24px 64px rgba(0, 0, 0, 0.85),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.modal-content h2 {
    font-family: var(--font-hud);
    font-size: 1.3rem;
    letter-spacing: 3px;
    color: var(--red);
    text-transform: uppercase;
    margin-bottom: 18px;
    text-shadow: 0 0 16px var(--red-glow);
}

/* ── HOW-TO ITEMS ─────────────────────────── */
.instruction-item {
    display: flex;
    align-items: flex-start;
    margin: 14px 0;
    text-align: left;
    font-size: 0.92rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}

.instruction-icon {
    font-size: 1.5rem;
    margin-right: 14px;
    min-width: 36px;
    text-align: center;
    filter: drop-shadow(0 0 4px currentColor);
}

/* ── PREVIEW ANIMATION BOX ────────────────── */
.preview-animation-box {
    position: relative;
    width: 100%;
    height: 90px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    margin: 16px 0;
    overflow: hidden;
}

.demo-target {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: var(--red);
    border-radius: 6px;
    box-shadow: 0 0 12px var(--red-glow);
}

.demo-shield {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 22px;
    background: #fff;
    margin-top: -11px;
    margin-left: -3px;
    border-radius: 3px;
    animation: demoRotate 2.5s linear infinite;
    transform-origin: center center;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

@keyframes demoRotate {
    0% {
        transform: rotate(0deg) translate(32px) rotate(0deg);
    }

    100% {
        transform: rotate(360deg) translate(32px) rotate(-360deg);
    }
}

.demo-cannon {
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: #ccc;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

.demo-cannon::after {
    content: '';
    position: absolute;
    top: -7px;
    left: 3px;
    width: 8px;
    height: 10px;
    background: #fff;
    border-radius: 2px;
}

/* ── GAME OVER / VICTORY TITLES ───────────── */
.title-gameover {
    font-family: var(--font-hud);
    font-size: 2.1rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--red);
    text-shadow: 0 0 16px var(--red), 0 0 40px rgba(255, 45, 85, 0.35), 0 2px 0 rgba(0, 0, 0, 0.9);
}

.title-victory {
    font-family: var(--font-hud);
    font-size: 2.1rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--green);
    text-shadow: 0 0 16px var(--green), 0 0 40px rgba(0, 255, 100, 0.35), 0 2px 0 rgba(0, 0, 0, 0.9);
}

/* ── DIVIDER ──────────────────────────────── */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 45, 85, 0.4), transparent);
    margin: 16px 0;
    width: 100%;
}

/* ── SCANLINE OVERLAY ─────────────────────── */
#scanlines {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(to bottom,
            transparent 0px,
            transparent 3px,
            rgba(0, 0, 0, 0.06) 3px,
            rgba(0, 0, 0, 0.06) 4px);
    border-radius: 12px;
}

/* corner chrome accents */
.corner-tl,
.corner-tr,
.corner-bl,
.corner-br {
    position: absolute;
    width: 20px;
    height: 20px;
    z-index: 3;
    pointer-events: none;
}

.corner-tl {
    top: 0;
    left: 0;
    border-top: 2px solid var(--red);
    border-left: 2px solid var(--red);
    border-radius: 12px 0 0 0;
}

.corner-tr {
    top: 0;
    right: 0;
    border-top: 2px solid var(--red);
    border-right: 2px solid var(--red);
    border-radius: 0 12px 0 0;
}

.corner-bl {
    bottom: 0;
    left: 0;
    border-bottom: 2px solid var(--red);
    border-left: 2px solid var(--red);
    border-radius: 0 0 0 12px;
}

.corner-br {
    bottom: 0;
    right: 0;
    border-bottom: 2px solid var(--red);
    border-right: 2px solid var(--red);
    border-radius: 0 0 12px 0;
}

#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #060609;
    /* subtle radial vignette */
    background-image: radial-gradient(ellipse at center, #0d0d18 0%, #040408 100%);
    transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

#preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

#preloader .preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
}

/* ── Cannon Ball ── */
#preloader .preloader-ball-wrap {
    position: relative;
    width: 56px;
    height: 56px;
    animation: preloader-float 1.3s ease-in-out infinite;
}

#preloader .preloader-ball {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #ff7aa0 0%, #ff4070 30%, #8b0024 100%);
    box-shadow:
        0 0 28px rgba(255, 80, 130, 0.65),
        0 0 56px rgba(255, 60, 110, 0.35),
        0 0 84px rgba(200, 30, 70, 0.18),
        inset 0 -4px 8px rgba(0, 0, 0, 0.35);
    animation: preloader-pulse 1.3s ease-in-out infinite;
}

/* small highlight reflection */
#preloader .preloader-ball::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 14px;
    width: 16px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    filter: blur(2px);
    transform: rotate(-20deg);
}

/* orbiting particle ring */
#preloader .preloader-orbit {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1.5px dashed rgba(255, 100, 140, 0.3);
    animation: preloader-spin 5s linear infinite;
    pointer-events: none;
}

#preloader .preloader-orbit-dot {
    position: absolute;
    top: -5px;
    left: 50%;
    width: 7px;
    height: 7px;
    margin-left: -3.5px;
    border-radius: 50%;
    background: #ff90b0;
    box-shadow: 0 0 10px #ff5080, 0 0 20px rgba(255, 80, 130, 0.6);
    animation: preloader-dot-glow 1.3s ease-in-out infinite;
}

/* ── Loading Bar ── */
#preloader .preloader-bar-track {
    width: 190px;
    height: 5px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}

#preloader .preloader-bar-fill {
    height: 100%;
    width: 25%;
    border-radius: 3px;
    background: linear-gradient(90deg, #ff5080, #ff3060, #e02050);
    box-shadow: 0 0 12px rgba(255, 70, 120, 0.5);
    transition: width 0.45s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    position: relative;
}

#preloader .preloader-bar-fill.complete {
    width: 100%;
    box-shadow: 0 0 20px rgba(255, 70, 120, 0.7), 0 0 40px rgba(255, 50, 100, 0.35);
}

/* shimmer sweep across the track */
#preloader .preloader-bar-shimmer {
    position: absolute;
    top: 0;
    left: -60%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.25),
            rgba(255, 255, 255, 0.5),
            rgba(255, 255, 255, 0.25),
            transparent);
    border-radius: 3px;
    animation: preloader-shimmer 1.6s ease-in-out infinite;
    pointer-events: none;
}

/* ── Loading Text ── */
#preloader .preloader-label {
    font-family: 'Orbitron', 'Exo 2', 'Segoe UI', system-ui, sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 6px;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
    animation: preloader-breathe 2s ease-in-out infinite;
    text-shadow: 0 0 14px rgba(255, 100, 140, 0.3);
}

/* ── Keyframes ── */
@keyframes preloader-float {

    0%,
    100% {
        transform: translateY(0);
    }

    35% {
        transform: translateY(-13px);
    }

    65% {
        transform: translateY(-13px);
    }
}

@keyframes preloader-pulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 28px rgba(255, 80, 130, 0.65), 0 0 56px rgba(255, 60, 110, 0.35), 0 0 84px rgba(200, 30, 70, 0.18);
    }

    50% {
        transform: scale(1.08);
        box-shadow: 0 0 38px rgba(255, 80, 130, 0.8), 0 0 70px rgba(255, 60, 110, 0.5), 0 0 100px rgba(200, 30, 70, 0.25);
    }
}

@keyframes preloader-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes preloader-dot-glow {

    0%,
    100% {
        box-shadow: 0 0 10px #ff5080, 0 0 20px rgba(255, 80, 130, 0.6);
    }

    50% {
        box-shadow: 0 0 18px #ff80a0, 0 0 32px rgba(255, 100, 150, 0.85);
    }
}

@keyframes preloader-shimmer {
    0% {
        left: -60%;
    }

    100% {
        left: 110%;
    }
}

@keyframes preloader-breathe {

    0%,
    100% {
        letter-spacing: 6px;
        opacity: 0.7;
    }

    50% {
        letter-spacing: 10px;
        opacity: 1;
    }
}

/* ── Responsive tweaks ── */
@media (max-width: 480px) {
    #preloader .preloader-ball-wrap {
        width: 44px;
        height: 44px;
    }

    #preloader .preloader-ball {
        width: 44px;
        height: 44px;
    }

    #preloader .preloader-ball::after {
        top: 7px;
        left: 10px;
        width: 12px;
        height: 7px;
    }

    #preloader .preloader-bar-track {
        width: 150px;
        height: 4px;
    }

    #preloader .preloader-label {
        font-size: 0.7rem;
        letter-spacing: 4px;
    }
}