:root {
    --accent: var(--app-accent);
    --accent-strong: var(--app-accent-strong);
    --text-main: var(--app-text);
    --text-sub: var(--app-muted);
    --line-soft: var(--app-line);
    --card-bg: var(--app-card);
    --gap: 14px;
}

#main_bg {
    background-image: url(../assets/images/background/miku_ocean.webp);
    background-size: cover;
    background-position: center;
    position: fixed;
    min-height: 100vh;
    width: 100%;
    z-index: -1;
}

#panel {
    font-family: var(--app-font-serif);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: linear-gradient(135deg, var(--app-glass), rgba(245,252,249,0.62));
    border: 1px solid rgba(255,255,255,0.45);
}

.mi-head h1 { font-size: 22px; color: var(--text-main); margin-bottom: 6px; }
.mi-head p { font-size: 13px; color: var(--text-sub); margin-bottom: 16px; }

/* ???? Layout: two equal columns, top-aligned ???? */
.mi-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: start;
}

@media (max-width: 1100px) {
    .mi-layout { grid-template-columns: 1fr; }
}

.mi-col {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

/* ???? Section card ???? */
.mi-section {
    background: var(--card-bg);
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    padding: 14px;
    backdrop-filter: blur(6px);
}

.mi-section h2 {
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 10px;
    padding-bottom: 7px;
    border-bottom: 1px solid var(--line-soft);
}

/* ???? Upload drop zone ???? */
.mi-drop-zone {
    border: 1px dashed var(--app-line-strong);
    border-radius: 10px;
    padding: 24px 14px;
    text-align: center;
    background: linear-gradient(160deg, var(--app-glass-strong), rgba(234,248,242,0.72));
    cursor: pointer;
    transition: all 0.24s ease;
    display: block;
}

.mi-drop-zone:hover {
    background: linear-gradient(160deg, var(--app-surface-input), rgba(227,246,239,0.78));
    border-color: var(--app-accent);
}

.mi-drop-zone.drag-over {
    border-color: var(--app-accent);
    background: var(--app-accent-hover);
}

.mi-drop-zone p { font-size: 14px; color: var(--app-text); margin-bottom: 4px; }
.mi-drop-zone small { font-size: 12px; color: var(--text-sub); }

/* ???? Preview canvas ???? */
.mi-preview-wrap {
    background: #0f172a;
    border-radius: 10px;
    padding: 8px;
    text-align: center;
    position: relative;
}

.mi-preview-wrap canvas {
    max-width: 100%;
    max-height: 340px;
    height: auto;
    border-radius: 6px;
    display: block;
    margin: 0 auto;
    image-rendering: auto;
    background: #0f172a;
}

/* ???? Color picker row (swatch + values side by side) ???? */
.mi-color-info {
    display: flex;
    align-items: stretch;
    gap: 8px;
    margin-top: 10px;
}

.mi-color-swatch {
    width: 52px;
    min-width: 52px;
    border-radius: 6px;
    border: 1px solid #ccc;
    flex-shrink: 0;
    background: #000;
}

.mi-color-values {
    flex: 1;
    background: var(--app-overlay-dark);
    color: var(--app-text-inverse);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 11px;
    font-family: "Consolas", monospace;
    line-height: 1.6;
    display: flex;
    align-items: center;
    box-sizing: border-box;
}

/* ???? Info grid ???? */
.mi-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.mi-info-item {
    background: var(--app-card);
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    padding: 8px 10px;
}

.mi-info-item .label {
    font-size: 11px;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.mi-info-item .value {
    font-size: 13px;
    color: var(--text-main);
    font-weight: 600;
    font-family: "Consolas", monospace;
    word-break: break-all;
}

.mi-info-item.full {
    grid-column: 1 / -1;
}

/* ???? Histogram ???? */
.mi-histogram-wrap {
    background: #0f172a;
    border-radius: 10px;
    padding: 8px;
}

.mi-histogram-wrap canvas {
    width: 100%;
    height: 120px;
    display: block;
    border-radius: 6px;
}

.mi-hist-legend {
    display: flex;
    gap: 14px;
    margin-top: 6px;
    flex-wrap: wrap;
    padding: 0 4px;
}

.mi-hist-legend span {
    font-size: 11px;
    color: var(--app-text-inverse-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.mi-hist-legend .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ???? POT badge ???? */
.mi-pot-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
}

.mi-pot-badge.yes { background: var(--app-success-bg); color: var(--app-success); }
.mi-pot-badge.no { background: var(--app-error-bg); color: var(--app-error); }

/* ???? Aspect ratio list ???? */
.mi-ratio-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.mi-ratio-item {
    padding: 4px 10px;
    background: var(--app-glass);
    border: 1px solid var(--line-soft);
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-main);
}

.mi-ratio-item.match {
    background: var(--app-accent-glow);
    border-color: var(--accent);
    font-weight: 600;
}