:root {
    --bg: #10141f;
    --panel: #171e2d;
    --panel-strong: #202a3f;
    --text: #edf3ff;
    --muted: #9ca9bf;
    --accent: #66e3b4;
    --accent-strong: #42c99b;
    --danger: #ff7575;
    --border: #2d3a52;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 10%, rgba(102, 227, 180, 0.14), transparent 28rem),
        radial-gradient(circle at 85% 20%, rgba(111, 154, 255, 0.14), transparent 30rem),
        var(--bg);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

button,
input,
select,
textarea {
    font: inherit;
}

.app-shell {
    width: min(1480px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0;
}

.hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    max-width: 820px;
    margin-bottom: 12px;
    font-size: clamp(32px, 5vw, 35px);
    line-height: 0.95;
}

h2 {
    margin-bottom: 14px;
    font-size: 18px;
}

.hero-text {
    max-width: 740px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 17px;
}

.workspace {
    display: grid;
    grid-template-columns: 380px minmax(420px, 1fr);
    gap: 18px;
    align-items: start;
}

.panel {
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(23, 30, 45, 0.92);
    box-shadow: var(--shadow);
}

.controls-panel {
    position: sticky;
    top: 18px;
    padding: 20px;
}

.editor-panel,
.output-panel {
    padding: 20px;
}

.editor-panel {
    position: sticky;
    top: 18px;
}

.output-panel {
    grid-column: 2;
}

.hidden {
    display: none;
}

.panel-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.panel-title p {
    margin-bottom: 0;
    color: var(--muted);
}

.drop-zone {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
    padding: 28px 18px;
    border: 2px dashed var(--border);
    border-radius: 18px;
    background: var(--panel-strong);
    color: var(--muted);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.drop-zone input {
    display: none;
}

.drop-zone strong {
    color: var(--text);
}

.drop-zone small {
    line-height: 1.4;
}

.field,
.range-field {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.field span,
.range-field span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #0f1522;
    color: var(--text);
    outline: none;
}

input,
select {
    min-height: 42px;
    padding: 0 12px;
}

input[type="color"] {
    padding: 4px;
}

input[type="range"] {
    min-height: auto;
    padding: 0;
    accent-color: var(--accent);
}

textarea {
    min-height: 120px;
    padding: 12px;
    resize: vertical;
    line-height: 1.45;
}

.grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.checks,
.eraser-toggle {
    display: grid;
    gap: 10px;
    margin: 4px 0 20px;
    color: var(--muted);
}

.checks label,
.eraser-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checks input,
.eraser-toggle input {
    width: auto;
    min-height: auto;
}

.copy-button,
.secondary-button {
    border: 0;
    border-radius: 999px;
    color: #07130f;
    background: var(--accent);
    cursor: pointer;
    font-weight: 800;
    white-space: nowrap;
    transition: background 0.2s, transform 0.2s;
}

.copy-button {
    padding: 14px 22px;
}

.muted-button {
    color: var(--text);
    background: var(--panel-strong);
}

.secondary-button {
    margin-bottom: 20px;
    padding: 11px 16px;
}

.compact-button {
    margin-bottom: 0;
    padding: 8px 12px;
    font-size: 12px;
}

.copy-button:hover,
.secondary-button:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
}

.muted-button:hover {
    background: #2b3752;
}

.editor-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 16px;
    align-items: start;
}

.editor-main {
    display: grid;
    gap: 14px;
}

.canvas-wrap {
    overflow: auto;
    max-width: 100%;
    min-height: 480px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background:
        linear-gradient(45deg, #182033 25%, transparent 25%),
        linear-gradient(-45deg, #182033 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #182033 75%),
        linear-gradient(-45deg, transparent 75%, #182033 75%),
        #101827;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0;
    background-size: 24px 24px;
}

.emoji-panel {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
    background: rgba(15, 21, 34, 0.82);
}

.emoji-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.emoji-panel h3 {
    margin: 0 0 8px;
    font-size: 15px;
}

.emoji-panel-header h3 {
    margin: 0;
}

.emoji-panel p {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.emoji-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    margin-bottom: 12px;
}

.emoji-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.emoji-button {
    min-width: 42px;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel-strong);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
}

.emoji-button:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

#editorCanvas {
    display: block;
    image-rendering: pixelated;
    touch-action: none;
    cursor: crosshair;
}

.mini-preview-panel {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
    background: rgba(15, 21, 34, 0.82);
}

.mini-preview-panel h3 {
    margin: 0 0 12px;
    font-size: 15px;
}

.mini-preview-wrap {
    overflow: auto;
    min-height: 180px;
    max-height: 360px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
}

.palette-panel {
    margin-bottom: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    background: rgba(32, 42, 63, 0.62);
}

.palette-panel h3 {
    margin: 0 0 8px;
}

.palette-panel p {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.palette-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

#miniPreviewCanvas {
    display: block;
    image-rendering: pixelated;
    max-width: none;
    max-height: none;
}

.frames-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 16px 0 10px;
}

.frames-header h3 {
    margin: 0;
}

.frame-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.animation-controls {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: start;
    margin-bottom: 12px;
}

.animation-controls .field {
    margin-bottom: 0;
}

.frames-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.frame-thumb {
    position: relative;
    display: grid;
    gap: 6px;
    min-width: 86px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    color: var(--muted);
    background: #0f1522;
    cursor: pointer;
}

.delete-frame-button {
    position: absolute;
    top: -7px;
    right: -7px;
    width: 22px;
    height: 22px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    color: #ffffff;
    background: var(--danger);
    cursor: pointer;
    font-size: 16px;
    font-weight: 900;
    line-height: 18px;
    padding: 0;
}

.delete-frame-button:hover {
    filter: brightness(1.1);
}

.frame-thumb.active {
    border-color: var(--accent);
    color: var(--text);
}

.frame-thumb canvas {
    width: 64px;
    height: 64px;
    object-fit: contain;
    image-rendering: pixelated;
    background:
        linear-gradient(45deg, #263149 25%, transparent 25%),
        linear-gradient(-45deg, #263149 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #263149 75%),
        linear-gradient(-45deg, transparent 75%, #263149 75%),
        #111827;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-size: 16px 16px;
}

.frame-thumb span {
    font-size: 12px;
    font-weight: 700;
}

#outputCode {
    min-height: 360px;
    font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
    font-size: 13px;
    white-space: pre;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 20px;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 8, 15, 0.72);
    backdrop-filter: blur(6px);
}

.modal-card {
    position: relative;
    z-index: 1;
    width: min(980px, 100%);
    max-height: min(86vh, 920px);
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 20px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

@media (max-width: 1050px) {
    .hero,
    .panel-title {
        align-items: stretch;
        flex-direction: column;
    }

    .workspace {
        grid-template-columns: 1fr;
    }

    .controls-panel {
        position: static;
    }

    .editor-panel {
        position: static;
    }

    .editor-layout {
        grid-template-columns: 1fr;
    }

    .output-panel {
        grid-column: auto;
    }
}

@media (max-width: 560px) {
    .app-shell {
        width: min(100% - 18px, 1480px);
        padding: 12px 0;
    }

    .grid-two {
        grid-template-columns: 1fr;
    }

    .panel {
        border-radius: 18px;
    }
}