:root {
    --background-color: #000000;
    --accent-color: #6b6bef;
    --text-color: #9696ff;
    --border-color: #6b6bef;
    --scrollbar-thumb-color: #2b2b60;
    --input-bg-color: #202048;
    --font-family: 'Courier New', Courier, monospace;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    padding: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 98vh;
    accent-color: var(--accent-color) !important;
    scrollbar-color: var(--scrollbar-thumb-color) var(--background-color);
}

input {
    appearance: none;
    position: relative;
    width: 1rem;
    height: 1.3rem;
    border: 1px solid;
    font-family: var(--font-family);
    line-height: 1;
    background: var(--input-bg-color);
    color: var(--border-color);
}

    input[type="range"] {
      width: 100%;
      margin-bottom: 15px;
    }
    input[type="checkbox"]::before {
        position: absolute;
        width: 100%;
        height: 100%;
        text-align: center;
        white-space: pre;
        content: " ";
    }

    input[type="checkbox"]:checked::before {
        content: "\2713";
    }
    
input[type="color"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 100%;
    height: 25px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

    input[type="color"]::-webkit-color-swatch-wrapper {
        padding: 0;
    }

    input[type="color"]::-webkit-color-swatch {
        border: none;
    }

.app-shell {
    position: relative;
    width: 80%;
    height: 90%;
}

.format-nav {
    position: absolute;
    right: 0;
    padding: 5px;
    bottom: calc(100% + 8px);
    display: flex;
    gap: 6px;
}

.format-nav a {
    display: inline-block;
    padding: 5px 10px;
    color: var(--text-color);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    text-decoration: none;
}

.app-container {
    display: flex;
    border: 2px solid var(--border-color);
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 10px;
    position: relative;
    min-width: 0; 
}

.image-view-container {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    position: relative;
    display: grid;
    place-items: center;
    overflow: auto;
}

#canvasOutput {
  display: block;
  max-width: none;
  max-height: none;
  transform-origin: center;
  user-select: none;
  -webkit-user-drag: none;
  cursor: compare;
}

.zoom-controls {
    position: absolute;
    background-color: transparent;
    bottom: 20px;
    right: 35px;
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
}

.zoom-controls span {
    padding: 0 20px;
}

.zoom-controls button {
    background-color: transparent;
    border: none;
    border-left: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 5px 10px;
    cursor: pointer;
}

#zoomLabel { min-width: 70px; border-left: 0; color: var(--muted); }
.zoom-buttons { display: flex; }
.zoom-controls button:hover:not(:disabled) { color: var(--acid); }
.zoom-controls button:disabled {cursor: default; }

.workspace {
    width: 25%;
    flex-shrink: 0;
    border-left: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
}

.top-buttons {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 20;
    display: flex;
    gap: 6px;
}

.top-buttons button {
    width: 30px;
    height: 30px;
    padding: 0;
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
}

.top-buttons button:hover {
    background: var(--input-bg-color);
}

textarea {
    width: 100%;
    height: 100px;
    background-color: var(--background-color);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
    resize: none;
    font-family: inherit;
    padding: 5px;
    box-sizing: border-box;
}

.dual-slider {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.dual-slider > div {
    flex: 1;
}

.dual-slider label {
    display: block;
    margin-bottom: 5px;
    font-size: 12px;
}

.control-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
}

.theme-popup {
    display: none; /* Hidden by default */
    position: absolute;
    top: 50px;
    right: 12px;
    width: 300px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    z-index: 1000;
    padding: 10px;
}

.theme-popup-header {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 10px;
}

.popup-button {
    width: 100%;
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    font-family: inherit;
    padding: 5px;
    cursor: pointer;
    margin-top: 5px;
}

    .popup-button:hover {
        border-color: var(--text-color);
    }
    
    .drag-over {
    border-style: dashed !important;
    border-color: var(--text-color) !important;
}

.tuner-controls {
    margin-bottom: 15px;
}

.tuner {
   padding: 15px;
    flex-grow: 1;
    overflow-y: auto;
}

.sliders {
    padding-top: 15px;
}

.workspace[data-source="hdr"] [data-source="sdr"] { display: none !important; }

.preview-wrap { background: var(--sunken); min-height: 330px; position: relative; display: grid; place-items: center; overflow: hidden; }
.preview-wrap img { width: 100%; height: 100%; position: absolute; object-fit: contain; }
.preview-wrap span { position: absolute; left: 12px; bottom: 12px; background: rgba(10,14,12,.85); color: var(--ink); padding: 7px 9px; font-size: 10px; }

@media (max-width: 1080px) {
    body {
        height: auto;
        min-height: 100vh;
        padding-top: 48px;
        align-items: flex-start;
    }

    .app-shell {
        width: 100%;
        height: auto;
    }

    .app-container {
        flex-direction: column;
        height: auto;
    }

    .main-content {
        flex: none;
        width: 100%;
        height: 60vh;
        height: 60svh;
        min-height: 360px;
    }

    .workspace {
        width: 100%;
        flex: none;
        border-left: 0;
        border-top: 2px solid var(--border-color);
    }

    .tuner {
        overflow-y: visible;
    }
}