266749a97b
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This commit fixes a visual bug where rows appeared to shrink slightly when a piece was moved and the last-move highlight was applied. Root Cause: 1. Grid used fractional units (1fr) which could cause subpixel recalculations 2. Box-shadow transition was missing, causing jarring visual changes 3. No explicit box-shadow on .last-move class Solution: 1. Changed grid from repeat(8, 1fr) to repeat(8, 75px) for fixed sizing - Prevents browser from recalculating fractional units - Ensures each square is exactly 75px × 75px 2. Added box-shadow to transition property on .square - Changed: transition: background-color 0.2s ease - To: transition: background-color 0.2s ease, box-shadow 0.2s ease - Added default: box-shadow: none 3. Explicitly set box-shadow: none on .square.last-move - Ensures smooth transition when square changes from .selected to .last-move These changes eliminate layout reflow and ensure smooth visual transitions. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
139 lines
3.1 KiB
CSS
139 lines
3.1 KiB
CSS
/* Chess Board Styling */
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.chess-board {
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display: grid;
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grid-template-columns: repeat(8, 75px);
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grid-template-rows: repeat(8, 75px);
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width: 600px;
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height: 600px;
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border: 4px solid var(--primary-color);
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box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
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background: white;
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}
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.square {
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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transition: background-color 0.2s ease, box-shadow 0.2s ease;
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box-shadow: none;
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}
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.square.light {
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background-color: #f0d9b5;
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}
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.square.dark {
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background-color: #b58863;
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}
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.square:hover {
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opacity: 0.8;
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}
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.square.selected {
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background-color: #baca44 !important;
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box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
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}
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.square.legal-move::after {
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content: '';
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position: absolute;
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width: 30%;
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height: 30%;
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background-color: rgba(0, 0, 0, 0.2);
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border-radius: 50%;
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pointer-events: none;
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}
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.square.legal-move.has-piece::after {
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width: 100%;
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height: 100%;
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background-color: transparent;
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border: 4px solid rgba(255, 0, 0, 0.4);
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border-radius: 50%;
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}
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.square.check {
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background-color: #ff6b6b !important;
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}
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.square.last-move {
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background-color: rgba(155, 199, 0, 0.4) !important;
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box-shadow: none;
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}
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/* Coordinates */
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.square.file-label::before,
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.square.rank-label::before {
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position: absolute;
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font-size: 0.7rem;
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font-weight: bold;
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pointer-events: none;
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}
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.square.file-label::before {
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bottom: 2px;
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right: 4px;
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}
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.square.rank-label::before {
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top: 2px;
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left: 4px;
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}
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.square.light::before {
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color: var(--dark-bg);
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}
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.square.dark::before {
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color: var(--light-bg);
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}
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/* File labels (a-h) */
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.square[data-file="0"].file-label::before { content: 'a'; }
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.square[data-file="1"].file-label::before { content: 'b'; }
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.square[data-file="2"].file-label::before { content: 'c'; }
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.square[data-file="3"].file-label::before { content: 'd'; }
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.square[data-file="4"].file-label::before { content: 'e'; }
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.square[data-file="5"].file-label::before { content: 'f'; }
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.square[data-file="6"].file-label::before { content: 'g'; }
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.square[data-file="7"].file-label::before { content: 'h'; }
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/* Rank labels (1-8) */
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.square[data-rank="0"].rank-label::before { content: '1'; }
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.square[data-rank="1"].rank-label::before { content: '2'; }
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.square[data-rank="2"].rank-label::before { content: '3'; }
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.square[data-rank="3"].rank-label::before { content: '4'; }
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.square[data-rank="4"].rank-label::before { content: '5'; }
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.square[data-rank="5"].rank-label::before { content: '6'; }
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.square[data-rank="6"].rank-label::before { content: '7'; }
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.square[data-rank="7"].rank-label::before { content: '8'; }
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/* Drag and Drop */
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.square.drag-over {
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background-color: rgba(52, 152, 219, 0.3) !important;
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}
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/* Responsive Board */
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@media (max-width: 768px) {
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.chess-board {
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width: 90vw;
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height: 90vw;
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max-width: 500px;
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max-height: 500px;
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}
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}
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@media (max-width: 480px) {
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.chess-board {
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border-width: 2px;
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}
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.square.file-label::before,
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.square.rank-label::before {
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font-size: 0.6rem;
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}
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}
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