/* MattPaint - Ribbon Styles (Windows 10 Paint Clone) */
/* Fixed layout - no overlapping elements */

/* Ribbon Tabs */
#ribbon-tabs {
    display: flex;
    gap: 0;
    background: var(--win-ribbon-bg);
    padding: 0 4px;
    border-bottom: 1px solid var(--win-border);
    height: 28px;
    flex-shrink: 0;
}

.ribbon-tab {
    padding: 6px 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 12px;
    color: var(--win-text);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.1s;
    position: relative;
}

.ribbon-tab:hover {
    background: var(--win-hover);
}

.ribbon-tab.active {
    background: var(--win-white);
    border-bottom-color: var(--win-accent);
    font-weight: 500;
}

.ribbon-tab.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--win-accent);
}

/* Ribbon Container */
#ribbon {
    background: var(--win-white);
    border-bottom: 1px solid var(--win-border);
    height: 100px;
    min-height: 100px;
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    overflow-y: visible;
    flex-shrink: 0;
}

.ribbon-content {
    display: none;
    padding: 6px 6px 4px 6px;
    min-width: max-content;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
}

.ribbon-content.active {
    display: flex;
}

/* Ribbon Groups - Fixed sizing */
.ribbon-group {
    display: flex;
    flex-direction: column;
    padding: 0 6px;
    flex-shrink: 0;
    height: 100%;
}

.ribbon-group-content {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 4px;
    min-height: 0;
}

.ribbon-group-label {
    text-align: center;
    font-size: 11px;
    color: var(--win-text-secondary);
    padding: 4px 0 2px 0;
    border-top: 1px solid var(--win-border);
    white-space: nowrap;
    flex-shrink: 0;
}

.ribbon-separator {
    width: 1px;
    background: var(--win-border);
    margin: 4px 4px;
    align-self: stretch;
    flex-shrink: 0;
}

/* Ribbon Buttons */
.ribbon-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    padding: 3px 5px;
    border-radius: 3px;
    gap: 2px;
    transition: all 0.1s;
    flex-shrink: 0;
}

.ribbon-btn:hover {
    background: var(--win-hover);
    border-color: var(--win-border);
}

.ribbon-btn:active {
    background: var(--win-selected);
}

.ribbon-btn.active {
    background: var(--win-selected);
    border-color: var(--win-selected-border);
}

.ribbon-btn.large {
    width: auto;
    min-width: 48px;
}

.ribbon-btn.small {
    flex-direction: row;
    padding: 2px 6px;
    font-size: 11px;
    gap: 4px;
    height: 20px;
    min-height: 20px;
    max-height: 20px;
}

.ribbon-btn.small svg {
    width: 14px;
    height: 14px;
    fill: var(--win-text-secondary);
    flex-shrink: 0;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon svg {
    fill: var(--win-text-secondary);
}

.btn-icon.large {
    width: 26px;
    height: 26px;
}

.btn-icon.large svg {
    width: 22px;
    height: 22px;
}

.btn-label {
    font-size: 10px;
    color: var(--win-text);
    white-space: nowrap;
}

.btn-dropdown {
    font-size: 7px;
    color: var(--win-text-secondary);
    margin-left: 1px;
}

.ribbon-buttons-row {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

.ribbon-buttons-small {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex-shrink: 0;
}

/* Tool Buttons - Fixed grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 30px);
    grid-template-rows: repeat(2, 28px);
    gap: 2px;
    flex-shrink: 0;
}

.tool-btn {
    width: 30px;
    height: 28px;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    padding: 2px;
    transition: all 0.1s;
    flex-shrink: 0;
}

.tool-btn:hover {
    background: var(--win-hover);
    border-color: var(--win-border);
}

.tool-btn.active {
    background: var(--win-selected) !important;
    border-color: var(--win-accent) !important;
    box-shadow: inset 0 0 0 1px var(--win-accent);
}

.tool-btn svg {
    width: 18px;
    height: 18px;
}

/* Shapes - Fixed container */
.shapes-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.shapes-grid {
    display: grid;
    grid-template-columns: repeat(6, 24px);
    grid-template-rows: repeat(2, 22px);
    gap: 1px;
    flex-shrink: 0;
    overflow: hidden;
}

.shape-btn {
    width: 24px;
    height: 22px;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    transition: all 0.1s;
    flex-shrink: 0;
    padding: 0;
}

.shape-btn:hover {
    background: var(--win-hover);
    border-color: var(--win-border);
}

.shape-btn.active {
    background: var(--win-selected);
    border-color: var(--win-accent);
    box-shadow: inset 0 0 0 1px var(--win-accent);
}

.shape-btn svg {
    width: 14px;
    height: 14px;
}

.shape-options {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

/* Colors Group - Fixed width */
.colors-group {
    flex-shrink: 0;
}

.colors-group .ribbon-group-content {
    gap: 6px;
}

.color-selectors {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 2px;
    flex-shrink: 0;
}

.color-selector {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.color-selector span {
    color: var(--win-text-secondary);
    white-space: nowrap;
}

.color-box {
    width: 22px;
    height: 18px;
    border: 1px solid var(--win-border-dark);
    background: #000;
    cursor: pointer;
    transition: all 0.1s;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.3);
    flex-shrink: 0;
}

.color-box:hover {
    border-color: var(--win-accent);
    box-shadow: 0 0 0 1px var(--win-accent);
}

#color1 {
    background: #000000;
}

#color2 {
    background: #FFFFFF;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(10, 14px);
    grid-template-rows: repeat(3, 14px);
    gap: 1px;
    background: var(--win-border);
    border: 1px solid var(--win-border-dark);
    padding: 1px;
    flex-shrink: 0;
}

.color-swatch {
    width: 14px;
    height: 14px;
    cursor: pointer;
    border: none;
    transition: transform 0.1s;
    flex-shrink: 0;
}

.color-swatch:hover {
    outline: 2px solid var(--win-accent);
    outline-offset: 0;
    z-index: 1;
    position: relative;
    transform: scale(1.1);
}

.edit-colors-btn {
    background: transparent;
    border: none;
    color: var(--win-accent);
    cursor: pointer;
    font-size: 10px;
    text-decoration: underline;
    margin-top: 2px;
    transition: color 0.1s;
    white-space: nowrap;
    flex-shrink: 0;
}

.edit-colors-btn:hover {
    color: var(--win-accent-hover);
}

/* Text Options Group - Compact stacked layout */
#text-options-group {
    flex-shrink: 0;
}

.text-options-content {
    display: flex;
    align-items: flex-start;
}

.text-options-stack {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.text-size-row {
    display: flex;
    gap: 3px;
    align-items: center;
}

.text-font-select {
    width: 85px;
    height: 20px;
    font-size: 10px;
    border: 1px solid var(--win-border);
    border-radius: 2px;
    padding: 0 2px;
    background: var(--win-white);
}

.text-font-select:focus {
    border-color: var(--win-accent);
    outline: none;
}

.text-size-select {
    width: 36px;
    height: 20px;
    font-size: 10px;
    border: 1px solid var(--win-border);
    border-radius: 2px;
    padding: 0 2px;
    background: var(--win-white);
}

.text-size-select:focus {
    border-color: var(--win-accent);
    outline: none;
}

.text-style-buttons {
    display: flex;
    gap: 0;
    border: 1px solid var(--win-border);
    border-radius: 2px;
    padding: 1px;
    background: var(--win-white);
}

.text-style-btn {
    width: 18px;
    height: 18px;
    background: transparent;
    border: none;
    border-radius: 1px;
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s;
}

.text-style-btn:hover {
    background: var(--win-hover);
}

.text-style-btn.active {
    background: var(--win-selected);
}

/* View Tab - Checkboxes */
.ribbon-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px 0;
    flex-shrink: 0;
}

.ribbon-checkbox {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.ribbon-checkbox input {
    cursor: pointer;
    accent-color: var(--win-accent);
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* Dropdown triggers with arrow */
.ribbon-btn.has-dropdown::after {
    content: '';
}

/* Emoji sizing in buttons */
.tool-emoji {
    font-size: 15px;
    line-height: 1;
}

.brush-emoji {
    font-size: 18px;
    line-height: 1;
}

.shape-emoji {
    font-size: 11px;
    line-height: 1;
}

/* Narrow screens: the ribbon scrolls sideways (see paint.css), nothing is squeezed. */
@media (max-width: 1320px) {
    #ribbon {
        height: 112px;
        min-height: 112px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
}