/* Palette Extractor Styles */

.pe-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* ─── Upload Section (shared image-editor pattern) ──────────── */

.pe-upload-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 5px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-primary);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background-color: var(--bg-tertiary);
}

.upload-zone i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    color: var(--accent-primary);
}

.upload-zone p {
    margin: 5px 0;
    font-size: 0.95rem;
}

.upload-zone .upload-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

#fileInput {
    display: none;
}

/* ─── Extractor Layout ───────────────────────────────────────── */

.pe-extractor-section {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.pe-image-panel {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pe-image-frame {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-shadow: 0 0 4px var(--shadow-color);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(97vh - 260px);
    min-height: 320px;
    overflow: hidden;
}

.pe-image-frame img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 3px;
}

.pe-hidden-canvas {
    display: none;
}

.pe-image-panel .toolbar-btn {
    align-self: flex-start;
}

/* ─── Palette Panel ──────────────────────────────────────────── */

.pe-palette-panel {
    width: 340px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-shadow: 0 0 4px var(--shadow-color);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pe-panel-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pe-count-stepper {
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: none;
    letter-spacing: normal;
}

.pe-count-stepper span {
    font-family: Consolas, Monaco, monospace;
    color: var(--text-primary);
    min-width: 14px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.pe-step-btn {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 0.65rem;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.pe-step-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.pe-step-btn:disabled {
    opacity: 0.4;
    cursor: default;
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Continuous horizontal bar, one segment per swatch */
.pe-swatch-bar {
    display: flex;
    height: 64px;
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.pe-swatch-bar-seg {
    flex: 1;
    cursor: pointer;
    transition: flex-grow 0.2s;
    position: relative;
}

.pe-swatch-bar-seg:hover {
    flex-grow: 1.3;
}

/* Detail rows below the bar */
.pe-swatch-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pe-swatch-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s;
}

.pe-swatch-row:hover {
    background: var(--bg-hover);
}

.pe-swatch-chip {
    width: 26px;
    height: 26px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.pe-swatch-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.pe-swatch-hex {
    font-family: Consolas, Monaco, monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
}

.pe-swatch-rgb {
    font-family: Consolas, Monaco, monospace;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.pe-swatch-copy {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.15s;
}

.pe-swatch-row:hover .pe-swatch-copy {
    opacity: 1;
}

.pe-panel-actions {
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.pe-panel-actions .format-btn {
    width: 100%;
    margin-top: 0;
}

/* ─── Error ──────────────────────────────────────────────────── */

.pe-error {
    display: none;
    margin-top: 16px;
    padding: 10px 14px;
    background: color-mix(in srgb, var(--error-color) 12%, transparent);
    border: 1px solid var(--error-color);
    border-radius: 5px;
    color: var(--error-color);
    font-size: 13px;
}

/* ─── Copy Notification (shared) ─────────────────────────────── */

.copy-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.copy-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ─── Responsive ─────────────────────────────────────────────── */

@media (max-width: 900px) {
    .pe-extractor-section {
        flex-direction: column;
    }

    .pe-palette-panel {
        width: 100%;
    }

    .pe-image-frame {
        height: 40vh;
        min-height: 240px;
    }
}

@media (max-width: 540px) {
    .upload-zone {
        padding: 40px 15px;
    }
}