/* Pull in common stylesheet */
@import url("common.css");

/* Halftone Tool Styles */

/* Main Layout */
.generator-layout {
    display: flex;
    flex-direction: column;
    gap: 48px;
    margin-top: 64px;
    margin-bottom: 64px;
}

.controls {
    width: 100%;
}

.preview-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Control rows */
.control-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.control-row > label:first-child {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-default-secondary);
}

.control-row input[type="number"],
.control-row select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--color-border-default);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font-default-body), sans-serif;
    background-color: var(--color-background-white);
    transition: border-color 0.2s;
    color: var(--color-text-default-primary);
}

.control-row input[type="number"]:focus,
.control-row select:focus {
    outline: none;
    border-color: var(--color-brand-primary);
}

/* Number input with degree symbol */
.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input[type="number"] {
    padding-right: 28px;
}

.unit-label {
    position: absolute;
    right: 12px;
    font-size: 0.95rem;
    color: var(--color-text-default-secondary);
    pointer-events: none;
}

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--color-border-default);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    min-height: 64px;
    display: flex;
    align-items: center;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--color-brand-primary);
    background-color: var(--color-background-default-secondary);
}

.upload-zone input[type="file"] {
    display: none;
}

.upload-prompt {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.upload-prompt-main {
    font-size: 0.9rem;
    color: var(--color-text-default-secondary);
    font-weight: 500;
}

.upload-prompt-sub {
    font-size: 0.8rem;
    color: var(--color-text-default-secondary);
    opacity: 0.7;
}

.upload-file-info {
    display: none;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.upload-filename {
    font-size: 0.85rem;
    color: var(--color-text-default-secondary);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Toggle chips (text-label radio buttons) */
.toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.toggle-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 8px;
    background: var(--color-background-default-secondary);
    border: 1px solid var(--color-border-default);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-default-secondary);
    user-select: none;
    transition: all 0.2s;
}

.toggle-chip input[type="radio"] {
    display: none;
}

.toggle-chip:hover {
    border-color: var(--color-brand-primary);
    color: var(--color-text-default-primary);
}

.toggle-chip:has(input:checked) {
    background: var(--color-brand-primary);
    border-color: var(--color-brand-primary);
    color: var(--color-text-white);
}

/* CMYK angles grid */
.cmyk-angles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 20px;
    padding-left: 142px;
}

.cmyk-channel {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cmyk-channel label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-default-secondary);
    text-align: center;
    letter-spacing: 0.05em;
}

.cmyk-channel-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}

.cmyk-channel-head input[type="checkbox"] {
    width: 13px;
    height: 13px;
    accent-color: var(--color-brand-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.cmyk-channel.disabled {
    opacity: 0.4;
}

.cmyk-channel input[type="number"] {
    width: 100%;
    padding: 8px 6px;
    border: 2px solid var(--color-border-default);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: var(--font-default-body), sans-serif;
    background-color: var(--color-background-white);
    text-align: center;
    transition: border-color 0.2s;
    color: var(--color-text-default-primary);
    box-sizing: border-box;
}

.cmyk-channel input[type="number"]:focus {
    outline: none;
    border-color: var(--color-brand-primary);
}

/* Action bar */
.action-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-default-body), sans-serif;
}

.btn:disabled {
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-brand-primary);
    color: var(--color-background-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    background-color: var(--color-background-disabled);
    color: var(--color-text-disabled);
    box-shadow: none;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-brand-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-small {
    padding: 0 12px;
    height: 32px;
    font-size: 0.8rem;
    background: var(--color-background-neutral-light);
    white-space: nowrap;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-default-primary);
    border-radius: 6px;
}

.btn-small:hover {
    background: var(--color-background-neutral-medium);
}

/* Preview area */
.preview-area {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: repeating-conic-gradient(#e5e5e5 0% 25%, #f5f5f5 0% 50%) 0 0 / 16px 16px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder {
    padding: 48px 24px;
    text-align: center;
}

.preview-placeholder p {
    color: var(--color-text-default-secondary);
    font-size: 0.95rem;
    opacity: 0.6;
}

#halftoneCanvas {
    display: none;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.rosette-powered {
    /* border: 1px solid var(--color-neutral-500); */
    margin-top: 10px;
    width: 145px;
    border-radius: 10px;
    padding: 12px;
    background-color: #85c6ba;
}

/* Responsive */
@media (max-width: 768px) {
    .subtitle {
        font-size: 0.9rem;
    }

    .control-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .cmyk-angles-grid {
        padding-left: 0;
        grid-template-columns: repeat(2, 1fr);
    }

    .action-bar {
        justify-content: stretch;
    }

    .action-bar .btn {
        width: 100%;
        justify-content: center;
    }

    .generator-layout {
        flex-direction: column-reverse;
        margin-top: 32px;
    }
}

/* Gamma slider */
.slider-with-value {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gamma-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--color-border-default);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.gamma-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-brand-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.gamma-slider::-webkit-slider-thumb:hover {
    background: var(--color-brand-primary-dark);
    transform: scale(1.15);
}

.gamma-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--color-brand-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}

.gamma-slider::-moz-range-thumb:hover {
    background: var(--color-brand-primary-dark);
}

.slider-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-default-primary);
    min-width: 28px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Desktop side-by-side */
@media (min-width: 1024px) {
    .generator-layout {
        display: grid;
        grid-template-columns: 400px 1fr;
        gap: 64px;
        align-items: start;
    }

    .controls {
        position: sticky;
        top: 120px;
    }

    .preview-panel {
        min-width: 0;
    }
}