:root {
    --bg: #05010f;
    --neon-cyan: #16f2f2;
    --neon-magenta: #ff2fd0;
    --neon-purple: #8a2be2;
    --text-dim: #9aa7d0;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    height: 100%;
    background: radial-gradient(ellipse at center, #12043a 0%, var(--bg) 70%);
    color: #eaf6ff;
    font-family: "Segoe UI", "Consolas", "Courier New", monospace;
    letter-spacing: 0.08em;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    padding: 1.5rem 2rem 0.5rem 2rem;
    text-align: center;
    flex-shrink: 0;
}

.app-header .neon-title {
    margin: 0;
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 800;
    color: #fff;
    text-shadow: 0 0 6px var(--neon-cyan), 0 0 18px var(--neon-cyan), 0 0 42px var(--neon-magenta);
}

.arcade-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 2rem;
    text-align: center;
}

.landing {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
}

.neon-title {
    margin: 0;
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 800;
    color: #fff;
    text-shadow: 0 0 6px var(--neon-cyan), 0 0 18px var(--neon-cyan), 0 0 42px var(--neon-magenta);
}

.neon-subtitle {
    margin: 0;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
    font-size: clamp(0.8rem, 2.4vw, 1.3rem);
}

.neon-blink {
    margin: 0;
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
    font-size: clamp(1rem, 3vw, 1.6rem);
    animation: blink 1.1s steps(2, start) infinite;
}

.scoreboard {
    width: min(90vw, 34rem);
    padding: 1.2rem 1.5rem;
    border: 2px solid var(--neon-purple);
    border-radius: 8px;
    background: rgba(10, 2, 30, 0.6);
    box-shadow: 0 0 14px rgba(138, 43, 226, 0.5), inset 0 0 14px rgba(138, 43, 226, 0.25);
}

.scoreboard-title {
    margin: 0 0 0.8rem 0;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
    font-size: 1.2rem;
}

.scoreboard-status {
    margin: 0.6rem 0;
    color: var(--text-dim);
}

.scoreboard-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-variant-numeric: tabular-nums;
}

.scoreboard-row {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    gap: 0.75rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(22, 242, 242, 0.15);
}

    .scoreboard-row .rank {
        color: var(--neon-magenta);
        text-shadow: 0 0 6px var(--neon-magenta);
    }

    .scoreboard-row .name {
        color: #eaf6ff;
        text-align: left;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .scoreboard-row .score {
        color: var(--neon-cyan);
        text-shadow: 0 0 6px var(--neon-cyan);
    }

.start-link {
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--neon-magenta);
    border-radius: 6px;
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
    background: transparent;
    cursor: pointer;
    font-weight: 700;
    font-size: inherit;
    font-family: inherit;
    letter-spacing: inherit;
    transition: all 0.2s ease-out;
}

.start-link:hover:not(:disabled) {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    text-shadow: 0 0 15px var(--neon-cyan);
    box-shadow: 0 0 12px rgba(22, 242, 242, 0.5);
}

.start-link:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#press-start {
    display: inline-block;
    transition: transform 0.16s ease-out;
}

.sound-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border: 3px solid;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease-out;
    font-size: 2.2rem;
    font-weight: bold;
    padding: 0;
}

.sound-toggle.sound-off {
    border-color: var(--text-dim);
    color: var(--text-dim);
    text-shadow: 0 0 4px rgba(154, 167, 208, 0.5);
}

.sound-toggle.sound-off:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
    transform: scale(1.1);
}

.sound-toggle.sound-on {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
    box-shadow: 0 0 15px rgba(22, 242, 242, 0.6), inset 0 0 10px rgba(22, 242, 242, 0.2);
}

.sound-toggle.sound-on:hover {
    border-color: var(--neon-magenta);
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta);
    box-shadow: 0 0 15px rgba(255, 47, 208, 0.6), inset 0 0 10px rgba(255, 47, 208, 0.2);
    transform: scale(1.05);
}

.sound-toggle:active {
    transform: scale(0.95);
}

.sound-glyph {
    display: inline-block;
    line-height: 1;
}

/* ===================================================================
   Modern Game Shell Layout using CSS Grid
   Responsive, semantic, no absolute positioning
   =================================================================== */

.game-shell {
    display: grid;
    grid-template-rows: 1fr auto;
    grid-template-columns: 1fr;
    background: #05010f;
    overflow: hidden;
}

/* Canvas fills the entire game area */
.game-canvas {
    display: block;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(22, 242, 242, 0.3);
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.4);
    grid-row: 1;
    grid-column: 1;
}

/* Footer with controls - spans full width, positioned at bottom */
.game-controls {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
    background: rgba(5, 1, 15, 0.7);
    border-top: 1px solid rgba(22, 242, 242, 0.2);
    position: relative;
    z-index: 10;
    grid-row: 2;
    grid-column: 1;
}

/* Home exit link */
.game-exit {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: color 0.2s ease-out;
}

.game-exit:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 6px var(--neon-cyan);
}

/* Controls legend - flexbox for internal layout */
.controls-legend {
    display: flex;
    gap: 1.75rem;
    padding: 0.4rem 1rem;
    background: rgba(10, 2, 30, 0.55);
    border: 1px solid rgba(22, 242, 242, 0.25);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    white-space: nowrap;
    justify-self: center;
}

.controls-legend b {
    color: var(--neon-cyan);
    text-shadow: 0 0 6px var(--neon-cyan);
    font-weight: 700;
}

.controls-legend #sound-state,
.controls-legend #sfx-state {
    color: var(--neon-magenta);
    text-shadow: 0 0 6px var(--neon-magenta);
}

/* Modern modal dialog using native HTML5 <dialog> element */
.gameover {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    background-color: rgba(5, 1, 15, 0.92);
    border: 2px solid var(--neon-purple);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    max-width: 90vw;
    max-height: 90vh;
    margin: auto;
    backdrop-filter: blur(4px);
}

/* Remove default dialog styling */
.gameover::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

.name-input {
    display: block;
    margin: 0 auto 1rem auto;
    padding: 0.6rem 1rem;
    width: min(80vw, 22rem);
    background: rgba(10, 2, 30, 0.8);
    border: 2px solid var(--neon-cyan);
    border-radius: 6px;
    color: #eaf6ff;
    font-family: inherit;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    text-align: center;
    text-transform: uppercase;
}

    .name-input:focus {
        outline: none;
        box-shadow: 0 0 12px var(--neon-cyan);
    }

.submit-error {
    color: #ff6b6b;
    text-shadow: 0 0 8px rgba(255, 107, 107, 0.6);
}

@keyframes blink {
    50% { opacity: 0; }
}

#blazor-error-ui {
    color: #eaf6ff;
    background: #2a0033;
    bottom: 0;
    box-shadow: 0 -1px 8px rgba(255, 47, 208, 0.4);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.loading-progress {
    display: block;
    width: 6rem;
    height: 6rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #2a1a4a;
        stroke-width: 0.5rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: var(--neon-cyan);
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    text-align: center;
    color: var(--neon-cyan);
    font-weight: bold;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

/* ---------------------------------------------------------------------------
   Footer styling for app-wide footer
   --------------------------------------------------------------------------- */
.app-footer {
    background: rgba(5, 1, 15, 0.95);
    border-top: 2px solid var(--neon-purple);
    padding: 2rem 1rem 1rem 1rem;
    margin-top: auto;
    flex-shrink: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 1.5rem auto;
    align-items: start;
}

.footer-section {
    text-align: left;
}

.footer-text {
    margin: 0.4rem 0;
    color: var(--text-dim);
    font-size: 0.85rem;
    line-height: 1.5;
}

.footer-text span {
    color: var(--neon-cyan);
    font-weight: 600;
}

.footer-legal {
    margin-top: 0.8rem;
    color: rgba(154, 167, 208, 0.8);
    font-size: 0.8rem;
}

.footer-link {
    color: var(--neon-cyan);
    text-decoration: none;
    text-shadow: 0 0 6px var(--neon-cyan);
    transition: all 0.2s ease-out;
    font-weight: 600;
}

.footer-link:hover {
    color: var(--neon-magenta);
    text-shadow: 0 0 10px var(--neon-magenta);
}

.footer-bottom {
    border-top: 1px solid rgba(138, 43, 226, 0.3);
    padding-top: 1rem;
    text-align: center;
}

.footer-small {
    font-size: 0.75rem;
    color: rgba(154, 167, 208, 0.6);
}

/* Responsive footer layout */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-section {
        text-align: center;
    }

    .app-header {
        padding: 1rem 1rem 0.25rem 1rem;
    }

    .app-header .neon-title {
        font-size: clamp(1.5rem, 6vw, 3rem);
    }

    /* Game page responsive adjustments */
    .game-controls {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0.75rem;
    }

    .game-exit {
        justify-self: start;
        font-size: 0.75rem;
    }

    .controls-legend {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-self: center;
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

    .gameover {
        padding: 1.5rem;
        max-width: 95vw;
        max-height: 95vh;
    }

    .name-input {
        width: min(95vw, 18rem);
        font-size: 1rem;
        padding: 0.5rem 0.8rem;
    }

    .start-link {
        padding: 0.4rem 1.2rem;
        font-size: 0.9rem;
    }
}