@import url('https://fonts.googleapis.com/css2?family=Teko:wght@400;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
    --bg: #0a0a0a;
    --panel: #111111;
    --red: #ff2a2a;
    --red-dim: #991a1a;
    --white: #f0f0f0;
    --gray: #888;
    --dark: #222;
}

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

body, html {
    width: 100%; height: 100%; overflow: hidden;
    background: var(--bg);
    font-family: 'IBM Plex Mono', monospace;
    color: var(--white);
    text-transform: uppercase;
    font-size: 14px;
}

canvas { display: block; }

.ui-layer {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
}

/* ================================ MENU ================================ */
#menu-screen {
    display: flex;
    background: var(--bg);
    background-image:
        linear-gradient(45deg, #111 25%, transparent 25%, transparent 75%, #111 75%),
        linear-gradient(45deg, #111 25%, transparent 25%, transparent 75%, #111 75%);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

.menu-box {
    margin: auto;
    background: var(--bg);
    border: 4px solid var(--white);
    padding: 3rem 4rem;
    display: flex; flex-direction: column; gap: 1rem;
    pointer-events: auto;
    box-shadow: 12px 12px 0 var(--red);
    text-align: center;
    min-width: 360px;
    transform: skewX(-4deg);
    animation: menuLoad 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes menuLoad {
    0% { opacity: 0; transform: scale(0.9) translateY(40px) skewX(-4deg); }
    100% { opacity: 1; transform: scale(1) translateY(0) skewX(-4deg); }
}

h1 {
    font-family: 'Teko', sans-serif;
    font-size: 5rem; line-height: 0.9;
    color: var(--white);
    text-shadow: 4px 4px 0 var(--red);
    letter-spacing: 3px;
}

.subtitle { color: var(--gray); font-weight: 600; letter-spacing: 2px; margin-bottom: 1rem; }

.menu-btn {
    background: transparent; color: var(--white);
    border: 2px solid var(--white);
    padding: 0.8rem 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.1rem; font-weight: 600;
    cursor: pointer; transition: all 0.15s;
    text-transform: uppercase;
    position: relative; overflow: hidden;
}
.menu-btn::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--white); z-index: -1;
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.2s ease;
}
.menu-btn:hover { color: var(--bg); }
.menu-btn:hover::before { transform: scaleX(1); }

.menu-hint {
    margin-top: 1rem; font-size: 0.75rem; color: var(--gray);
    letter-spacing: 1px;
}

/* ================================ TOP BAR ================================ */
.top-bar {
    position: absolute; top: 0; left: 0; right: 0;
    background: var(--panel);
    border-bottom: 3px solid var(--red);
    padding: 0.4rem 1.5rem;
    display: flex; gap: 2rem;
    pointer-events: auto;
    align-items: center; justify-content: space-between;
    z-index: 10;
}

.hud-stats { display: flex; gap: 2rem; }

.stat-box {
    font-family: 'Teko', sans-serif;
    font-size: 1.3rem; letter-spacing: 1px;
    display: flex; align-items: center; gap: 0.4rem;
}
.stat-box span { color: var(--red); font-size: 1.6rem; line-height: 1; }

.btn-back {
    background: var(--red); color: var(--white); border: none;
    padding: 0.4rem 1.2rem;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600; font-size: 0.85rem;
    cursor: pointer; text-transform: uppercase;
    transform: skewX(-8deg);
    transition: background 0.1s;
}
.btn-back:hover { background: var(--red-dim); }

.hint-bar {
    position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,0.7); padding: 0.4rem 1.2rem;
    border: 1px solid var(--dark); font-size: 0.75rem; color: var(--gray);
    pointer-events: none;
}

/* ================================ EDITOR ================================ */
.editor-toolbar {
    position: absolute; left: 0;
    top: 42px; bottom: 0;
    width: 260px;
    background: var(--panel);
    border-right: 3px solid var(--white);
    padding: 1rem;
    display: flex; flex-direction: column;
}

.toolbar-title {
    font-family: 'Teko', sans-serif;
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px dashed var(--dark);
    color: var(--red);
}

.palette {
    display: flex; flex-direction: column; gap: 4px;
    overflow-y: auto; flex: 1;
}
.palette::-webkit-scrollbar { width: 4px; }
.palette::-webkit-scrollbar-thumb { background: var(--red); }

.tile-btn {
    background: transparent;
    border: 1px solid var(--dark);
    color: var(--gray);
    padding: 6px 8px;
    cursor: pointer;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    transition: all 0.1s;
    text-transform: uppercase;
    display: flex; align-items: center; gap: 8px;
}
.tile-btn canvas {
    border: 1px solid var(--dark);
    border-radius: 2px;
    flex-shrink: 0;
}
.tile-btn:hover { border-color: var(--white); color: var(--white); }
.tile-btn.active {
    background: var(--white); color: var(--bg);
    border-color: var(--white); font-weight: bold;
}

.editor-hint {
    margin-top: auto; padding-top: 0.5rem;
    border-top: 1px solid var(--dark);
    font-size: 0.7rem; color: var(--gray);
    line-height: 1.6;
}
.editor-hint p { margin: 0; }

/* ================================ TRAIN PANEL ================================ */
.train-panel {
    position: absolute; right: 0;
    top: 42px; bottom: 0;
    width: 300px;
    background: var(--panel);
    border-left: 3px solid var(--red);
    padding: 1rem;
    display: flex; flex-direction: column; gap: 0.75rem;
    pointer-events: auto;
    overflow-y: auto;
}
.train-panel::-webkit-scrollbar { width: 4px; }
.train-panel::-webkit-scrollbar-thumb { background: var(--red); }

.ctrl-group {
    display: flex; flex-direction: column; gap: 6px;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--dark);
}

.ctrl-row {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 2px 8px;
    align-items: center;
}
.ctrl-row label {
    font-size: 0.7rem; color: var(--gray);
    grid-column: 1; grid-row: 1;
}
.ctrl-row span {
    font-size: 0.8rem; color: var(--red);
    font-weight: bold;
    grid-column: 2; grid-row: 1;
    text-align: right;
}
.ctrl-row input[type="range"] {
    grid-column: 1 / -1; grid-row: 2;
    width: 100%; height: 6px;
    -webkit-appearance: none; appearance: none;
    background: var(--dark); border-radius: 3px;
    outline: none;
}
.ctrl-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px;
    background: var(--red); border-radius: 0;
    cursor: pointer;
    transform: rotate(45deg);
}

.text-input {
    grid-column: 1 / -1; grid-row: 2;
    width: 100%;
    background: var(--dark); border: 1px solid #333;
    color: var(--white);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    padding: 4px 8px;
    text-align: center;
}

select.text-input {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--red);
    padding: 6px 12px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23e32b2b" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 8px center;
}

select.text-input:focus {
    outline: none;
    border-color: var(--white);
}

select.text-input option {
    background: var(--panel);
    color: var(--white);
}

.ctrl-buttons {
    display: flex; gap: 6px;
}

.ctrl-btn {
    flex: 1;
    background: transparent;
    border: 1px solid var(--dark);
    color: var(--gray);
    padding: 0.5rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem; font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.1s;
}
.ctrl-btn:hover { border-color: var(--white); color: var(--white); }
.ctrl-btn.accent { border-color: var(--red); color: var(--red); }
.ctrl-btn.accent:hover { background: var(--red); color: var(--white); }
.ctrl-btn.danger { border-color: #991a1a; color: #991a1a; }
.ctrl-btn.danger:hover { background: #991a1a; color: var(--white); }

.train-hint {
    font-size: 0.65rem; color: var(--gray);
    text-align: center; margin-top: auto;
}

/* Tooltip Help Icon */
.help-icon {
    display: inline-block;
    color: var(--red);
    font-size: 10px;
    font-weight: bold;
    margin-left: 5px;
    cursor: help;
    position: relative;
    vertical-align: top;
}

.help-icon:hover {
    color: var(--white);
}

.help-icon[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 140%;
    left: -10px;
    transform: none;
    background: #111115;
    color: var(--white);
    padding: 8px 10px;
    border: 1px solid #3a3a45;
    border-radius: 4px;
    white-space: pre-wrap;
    width: 200px;
    font-size: 10px;
    font-weight: normal;
    text-transform: none;
    line-height: 1.4;
    z-index: 100;
    pointer-events: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.5);
}

/* Custom Toggle Checkbox */
input[type="checkbox"].ui-toggle {
    appearance: none;
    -webkit-appearance: none;
    width: 30px;
    height: 16px;
    background: var(--dark);
    border: 1px solid #333;
    border-radius: 8px;
    position: relative;
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
    grid-column: 2;
    margin: 0;
    justify-self: end;
}
input[type="checkbox"].ui-toggle:checked {
    background: var(--red);
    border-color: var(--red);
}
input[type="checkbox"].ui-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    background: var(--gray);
    border-radius: 5px;
    transition: all 0.2s;
}
input[type="checkbox"].ui-toggle:checked::after {
    left: 16px;
    background: var(--white);
}