:root {
    --bg-deck: #0d1018;
    --bg-shell: linear-gradient(140deg, #0c0f17 0%, #181f2d 40%, #101522 100%);
    --bg-panel: rgba(13, 18, 28, 0.92);
    --accent: #ffb347;
    --accent-strong: #ff8c42;
    --accent-soft: rgba(255, 180, 71, 0.18);
    --text-main: #f0f5ff;
    --text-subtle: rgba(216, 226, 255, 0.75);
    --border: rgba(255, 180, 71, 0.22);
    --haze-highlight: rgba(125, 193, 255, 0.28);
    --shadow-soft: 0 28px 90px rgba(5, 10, 20, 0.65);
    --font-display: 'Cinzel', 'Playfair Display', serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: radial-gradient(circle at top, rgba(18, 27, 47, 0.95), rgba(5, 9, 18, 1));
    font-family: var(--font-body);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.shell {
    width: min(100%, 1380px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-shell);
    border-radius: 28px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
    overflow: hidden;
}

.shell::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 20% 12%, rgba(255, 177, 80, 0.22), transparent 45%),
                radial-gradient(circle at 85% 85%, rgba(103, 180, 255, 0.18), transparent 48%);
}

.deck {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: var(--bg-panel);
    border-radius: 20px;
    padding: 20px 26px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 0 0 1px rgba(255, 180, 71, 0.08);
    position: relative;
    z-index: 1;
}

.deck__crest {
    display: flex;
    align-items: center;
    gap: 18px;
}

.crest__emblem {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 30%, rgba(255, 189, 97, 0.9), rgba(255, 141, 54, 0.75));
    box-shadow: 0 12px 28px rgba(255, 150, 66, 0.45), inset 0 0 8px rgba(0, 0, 0, 0.35);
    position: relative;
}

.crest__emblem::after {
    content: "";
    position: absolute;
    inset: 18%;
    border-radius: 50%;
    border: 2px solid rgba(255, 249, 232, 0.4);
    box-shadow: 0 0 12px rgba(255, 229, 180, 0.5);
}

.crest__copy h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 36px);
    letter-spacing: 1.4px;
}

.crest__copy p {
    margin: 4px 0 0;
    color: var(--text-subtle);
    letter-spacing: 0.4px;
}

.deck__status {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 110px));
    gap: 12px;
    flex: 1;
}

.metric {
    background: rgba(12, 18, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: inset 0 0 0 1px rgba(255, 180, 71, 0.08);
}

.metric__label {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(207, 218, 245, 0.65);
}

.metric__value {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-display);
}

.deck__langs {
    display: flex;
    gap: 8px;
}

.lang-btn {
    background: rgba(12, 18, 30, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    font-size: 12px;
    letter-spacing: 1px;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border 0.2s ease;
}

.lang-btn.is-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(255, 180, 71, 0.18);
}

.lang-btn:not(.is-active):hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.skyframe {
    position: relative;
    background: radial-gradient(circle at 50% 20%, rgba(255, 213, 113, 0.12), transparent 55%),
                linear-gradient(180deg, rgba(16, 24, 38, 0.92) 0%, rgba(11, 16, 26, 0.92) 100%);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    min-height: 0;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.skyframe__overlay {
    position: absolute;
    inset: 0;
    background: rgba(8, 11, 20, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    text-align: center;
    transition: opacity 0.4s ease;
}

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

.overlay__inner {
    max-width: 420px;
    background: rgba(14, 21, 34, 0.9);
    border-radius: 20px;
    padding: 32px 36px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.65);
}

.overlay__inner h2 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 28px;
}

.overlay__inner p {
    margin: 0 0 24px;
    color: var(--text-subtle);
    line-height: 1.6;
}

.primary {
    padding: 14px 26px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #22150a;
    border: none;
    border-radius: 14px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 18px 48px rgba(255, 141, 66, 0.36);
}

.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 54px rgba(255, 141, 66, 0.45);
}

.primary:active {
    transform: translateY(0);
}

.hud__log {
    position: relative;
    background: linear-gradient(120deg, rgba(30, 38, 56, 0.92) 0%, rgba(14, 19, 31, 0.92) 100%);
    border-radius: 12px;
    padding: 16px 22px 16px 42px;
    display: flex;
    align-items: center;
    gap: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 0 0 1px rgba(255, 180, 71, 0.12);
    min-height: 68px;
}

.hud__log::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
    box-shadow: 0 0 18px rgba(255, 180, 71, 0.48);
}

.hud__log::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 18% 50%, rgba(255, 184, 90, 0.18), transparent 55%);
}

.hud__log h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 15px;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(255, 230, 198, 0.85);
}

.hud__log ul {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.hud__log li {
    font-size: 14px;
    color: rgba(228, 236, 255, 0.92);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: logPulse 0.4s ease;
}

.hud__log li::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(255, 180, 71, 0.6);
}

@keyframes logPulse {
    from {
        opacity: 0;
        transform: translateX(12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.manifest {
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: var(--bg-panel);
    border-radius: 20px;
    padding: 22px 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 1;
}

.manifest section h2 {
    font-family: var(--font-display);
    letter-spacing: 0.8px;
    font-size: 20px;
    margin-bottom: 10px;
}

.manifest section p,
.manifest section li {
    color: var(--text-subtle);
    line-height: 1.6;
    font-size: 14px;
}

.controls ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
}

.controls li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.controls kbd {
    background: rgba(12, 18, 30, 0.9);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hud {
    grid-column: 1 / -1;
    background: var(--bg-panel);
    border-radius: 18px;
    padding: 18px 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.hud__row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.hud__actions {
    display: flex;
    justify-content: flex-end;
}

.hud__restart {
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(248, 246, 240, 0.92);
    background: linear-gradient(135deg, rgba(28, 38, 54, 0.9), rgba(16, 23, 35, 0.9));
    font-weight: 600;
    letter-spacing: 0.6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    box-shadow: inset 0 0 0 1px rgba(255, 180, 71, 0.12);
}

.hud__restart::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(255, 180, 71, 0.5);
}

.hud__restart:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(8, 12, 22, 0.5);
    border-color: rgba(255, 180, 71, 0.4);
}

.hud__restart:active {
    transform: translateY(0);
}

.hud__label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
    color: rgba(207, 218, 245, 0.7);
}

.hud__value {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
}

.hud__secondary {
    background: rgba(12, 18, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-subtle);
}

@media (max-width: 1200px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .deck {
        flex-wrap: wrap;
    }

    .deck__status {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .skyframe {
        min-height: 520px;
    }

    .hud__log {
        padding: 14px 18px 14px 38px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 16px;
    }

    .shell {
        padding: 20px;
    }

    .deck {
        flex-direction: column;
        align-items: stretch;
    }

    .manifest {
        order: 3;
    }

    .hud__row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hud__log {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px 16px 14px 34px;
    }
}