:root {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --panel-bg: #1c1b1bf0;
    --accent: #1eeba0;
    --accent-rgb: 0, 217, 138;
    --accent-glow: 0 0 8px rgba(var(--accent-rgb), 0.4);
    --accent-glow-strong: 0 0 15px rgba(var(--accent-rgb), 0.6);
    --ui-surface-bg: rgba(8, 8, 8, 0.626);
    --ui-surface-bg-hover: rgba(8, 8, 8, 0.46);
    --ui-surface-border: rgba(var(--accent-rgb), 0.3);
    --ui-surface-border-hover: rgba(var(--accent-rgb), 0.5);
    --ui-surface-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    --ui-surface-padding: 12px 16px;
    --ui-radius: 8px;
    --ui-radius-lg: 12px;
    --ui-blur: 10px;
    --ui-blur-sm: 8px;
    --ui-mono-font: "SFMono-Regular", "Consolas", "Courier New", monospace;
}


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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    overflow: hidden;
}

#app {
    display: flex;
    width: 100%;
    height: 100%;
}

#canvas-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000;
    overflow: hidden;
}

canvas {
    image-rendering: pixelated;
    /* Critical for crisp pixels */
}



/* HUD Panels (Translucent Boxes) */
.hud-panel {
    pointer-events: none;
    color: white;
    /* Ensure text is readable */
}

.glass-overlay {
    background: var(--ui-surface-bg);
    -webkit-backdrop-filter: blur(var(--ui-blur));
    backdrop-filter: blur(var(--ui-blur));
    border: 1px solid var(--ui-surface-border);
    border-radius: var(--ui-radius);
    padding: var(--ui-surface-padding);
    box-shadow: var(--ui-surface-shadow);


    font-family: var(--ui-mono-font);
    font-size: 0.85em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);


    transition: all 0.3s ease;


    -webkit-user-select: none;
    user-select: none;
    pointer-events: none;
}

#topStatusBar {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    z-index: 105;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0px 5px;
    gap: 14px;
    width: 535px;
    height: 34px;
}

#topStatusBar #rulesetDisplay {
    flex: 0 0 auto;
    white-space: wrap;
}

#topStatusBar #spawnOverlay {
    flex: 1 1 auto;
    text-align: right;
    white-space: nowrap;
}


#hotkeyOverlay {
    position: absolute;
    bottom: 10px;
    left: 10px;
    z-index: 100;
    color: var(--text-color);
}

#hotkeyOverlay:hover {
    background: var(--ui-surface-bg-hover);
    border-color: var(--ui-surface-border-hover);
}

#hotkeyOverlay strong {
    color: var(--accent);
    font-size: 1.1em;
    transition: transform 0.35s ease, background 0.0s ease, border-color 0.2s ease, opacity 0.0s ease;
    transform: translateX(0);
}

#hotkeyOverlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--ui-radius);
    padding: 2px;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

#hotkeyOverlay.updating {
    animation: pulse 0.3s ease;
}

#statsOverlay {
    position: absolute;
    top: 56px;
    left: 10px;
    z-index: 100;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 280px;
    transition: transform 0.35s ease, background 0.0s ease, border-color 0.2s ease, opacity 0.0s ease;
    transform: translateX(0);
}

#stepOverlay {
    opacity: 0.75;
}

.step-overlay-value {
    display: none;
}

#statsOverlay:hover .step-overlay-value {
    display: inline;
}

#statsOverlay:hover .step-overlay-hint {
    display: none;
}

#hotkeyHintOverlay {
    position: absolute;
    left: 10px;
    bottom: 10px;
    z-index: 110;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.85);
    transition: transform 0.35s ease, background 0.0s ease, border-color 0.2s ease, opacity 0.0s ease;
    transform: translateX(0);
}

#hotkeyHintOverlay.is-open {
    transform: translateX(var(--hotkey-hint-offset, 0px));
}

#spawnOverlay {
    font-size: 0.9em;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

#rulesetDisplay {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

#speedOverlay {
    font-size: 0.9em;
    font-weight: normal;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

#ruleSummary {
    font-family: var(--ui-mono-font);
    font-size: 0.85em;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    white-space: pre-wrap;
    word-break: break-word;
    margin: 2px 0 0 0;
}

#controls {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--ui-surface-bg);
    -webkit-backdrop-filter: blur(var(--ui-blur));
    backdrop-filter: blur(var(--ui-blur));
    border: 1px solid var(--ui-surface-border);
    padding: 0;
    border-radius: var(--ui-radius);
    color: var(--accent);
    text-shadow: var(--accent-glow);
    font-family: var(--ui-mono-font);
    display: flex;
    flex-direction: column;
    width: 300px;
    min-width: 300px;
    max-width: 400px;
    transition: min-height 0.3s ease, padding 0.3s ease, min-width 0.3s ease, max-width 0.3s ease, width 0.3s ease;
    gap: 5px;
    box-shadow: var(--ui-surface-shadow);
}

#controls.minimized {
    width: auto;
    min-width: 0;
    max-width: none;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    padding: 0;
    gap: 0;
    pointer-events: none;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    padding-bottom: 0;
    padding: 10px 10px 5px 10px;
}

.panel-title {
    font-weight: bold;
    font-size: 1.2em;
    margin: 0;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}



#controls:not(.minimized) #showHideBtn.hud-toggle-btn {
    background-color: rgba(8, 8, 8, 0.15);
    backdrop-filter: blur(var(--ui-blur-sm));
    border: 1px solid var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    font-size: 11px;
    font-weight: bold;
    border-radius: 7px;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    transition: all 0.2s ease;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

#controls:not(.minimized) #showHideBtn.hud-toggle-btn:hover {
    background-color: rgba(7, 6, 6, 0.418);
    box-shadow: var(--accent-glow-strong);
}

#controls:not(.minimized) #showHideBtn.hud-toggle-btn:active {
    transform: translateY(1px);
}

#controls.minimized #showHideBtn.hud-toggle-btn {
    font-size: 0.9em;
    font-family: var(--ui-mono-font);
    font-weight: bold;
    min-width: auto;
    width: auto;
    padding: 6px 10px;
    height: auto;
    background: rgba(20, 20, 20, 0.85);
    backdrop-filter: blur(var(--ui-blur));
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    border-radius: var(--ui-radius);
    color: var(--accent);
    text-shadow: var(--accent-glow);
    transition: all 0.2s ease;
    position: absolute;
    top: 10px;
    right: 10px;
}

#controls.minimized #showHideBtn.hud-toggle-btn:hover {
    background: rgba(20, 20, 20, 0.95);
    border-color: rgba(var(--accent-rgb), 0.5);
}

#controls.minimized .panel-header {
    margin-bottom: 0;
    border-bottom: none;
    padding: 0;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;

}

#controls.minimized .panel-title {
    display: none;
}


#controls.minimized #controls-content {
    display: none;


}


#controls-content {
    padding: 0 10px 10px 10px;
    /* Pad the content area */
}

.control-group {
    margin-bottom: 8px;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

button,
select,
input[type="number"] {
    background-color: #555;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.9em;
    min-height: 32px;
    padding: 5px 10px;

}

button:hover {
    background-color: #666;
}

button:active {
    background-color: #777;
}

#controls button,
#controls select,
#controls input[type="number"] {
    background: var(--ui-surface-bg);
    border: 1px solid var(--ui-surface-border);
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

#controls button:hover,
#controls select:hover,
#controls input[type="number"]:hover {
    background: var(--ui-surface-bg-hover);
    border-color: var(--ui-surface-border-hover);
}

select {
    width: 100%;
}

.main-actions {
    display: flex;
    gap: 5px;
    margin-bottom: 8px;
}

.main-actions button {
    flex: 1;
    font-size: 0.9em;
    padding: 5px 0;
}

#controls button,
#controls select {
    min-height: 32px;
    font-size: 0.9em;
    color: var(--accent);
    text-shadow: var(--accent-glow);
}

.slider-container {
    margin-bottom: 10px;
}

.slider-container label {
    display: flex;
    justify-content: space-between;
}

input[type="range"] {
    width: 100%;
    cursor: pointer;
}

.control-separator {
    border: 0;
    border-top: 1px solid #555;
    margin: 10px 0;
}

details.config-details {
    border: 1px solid #444;
    border-radius: 3px;
    padding: 5px;
    background-color: #2a2a2a;
}

details.config-details summary {
    cursor: pointer;
    font-size: 0.9em;
    color: #ccc;
    outline: none;
}

details.config-details summary:hover {
    color: white;
}

.config-section {
    margin-top: 10px;
    padding-top: 5px;
    border-top: 1px solid #444;
}

#controls textarea {
    width: 100%;
    background-color: #222;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    border: 1px solid #555;
    border-radius: 3px;
    font-family: var(--ui-mono-font);
    font-size: 0.8em;
    resize: vertical;
    box-sizing: border-box;
}



.accent-btn {
    background: linear-gradient(135deg, #ff00cc, #3333ff);
    border: none;
    color: white;
    font-weight: bold;
    margin-top: 4px;
    width: 100%;
}

.accent-btn:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.color-picker-container {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
    background: rgba(20, 20, 20, 0.9);
    -webkit-backdrop-filter: blur(var(--ui-blur));
    backdrop-filter: blur(var(--ui-blur));
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    /* Extra breathing room */
    overflow-y: auto;
    transition: all 0.3s ease;
}

#showHideBtn {
    /* Resetting previous absolute positioning */
    position: static;
    background: none;
    border: none;
    font-family: var(--ui-mono-font);
    font-weight: bold;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    transition: all 0.2s ease;


    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(var(--ui-blur-sm));
    border: 1px solid var(--accent);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#showHideBtn:hover {
    opacity: 1;
    text-decoration: underline;
}

.color-swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s;
    position: relative;
    overflow: hidden;
}

.color-swatch:hover {
    transform: scale(1.2);
    border-color: white;
}

.color-swatch input[type="color"] {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    padding: 0;
    border: none;
}

#applyRulesBtn {
    margin-top: 5px;
    width: 100%;
    background-color: #444;
}

#applyRulesBtn:hover {
    background-color: #555;
}

.secondary-btn {
    background-color: #444;
    border: 1px solid #666;
    margin-right: 15px;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    margin-top: 5px;
    width: 100%;
}

.secondary-btn:hover {
    background-color: #555;
    border-color: #888;

}

.main-actions .secondary-btn {
    width: auto;
    flex: 1;
    margin-top: 0;
}


.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: max-content;
}

.glass-overlay.hud-toggle-btn {
    padding: 10px 20px;
    font-size: 16px;
    color: var(--accent);
    text-shadow: var(--accent-glow);
    border-radius: var(--ui-radius-lg);
    pointer-events: auto;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.hud-toggle-btn:hover {
    background: var(--ui-surface-bg-hover);
    border-color: var(--ui-surface-border-hover);
    box-shadow: var(--accent-glow-strong);
}

#autoRandomizeBtn {
    position: fixed;
    right: 10px;
    bottom: 10px;
    z-index: 110;
    width: auto;
    min-height: 28px;
    padding: 6px 10px;
    font-size: 0.8em;
}

#ultimateRandomizeBtn {
    position: fixed;
    right: 10px;
    bottom: 48px;
    z-index: 110;
    width: auto;
    min-height: 28px;
    padding: 6px 10px;
    font-size: 0.8em;
    opacity: 0.65;
    transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

#ultimateRandomizeBtn.is-active {
    opacity: 1;
    color: #0a0a0a;
    border: none;
    background: linear-gradient(120deg, #ff6b6b, #ffd93d, #6bff8a, #4dd4ff, #b86bff);
    background-size: 240% 240%;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
    animation: ultimate-randomize-shift 4s ease infinite;
}

#ultimateRandomizeBtn.is-active:hover {
    transform: translateY(-1px);
}

@keyframes ultimate-randomize-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#autoRandomizeBtn:active {
    transform: translateY(1px);
}

#controls #showHideBtn.hud-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-height: 28px;
    padding: 2px 10px;
    font-size: 0.8em;
}

#controls #showHideBtn.hud-toggle-btn:active {
    transform: translateY(1px);
}