/**


 * Mind Tiles - Styles


 *


 * @author      Mike Fairbrother


 * @copyright   2024-2026 Mike Fairbrother. All rights reserved.


 */





/* ---- Color Tokens ---- */


:root {


    --mt-c1: #7ec8e3;   /* soft sky blue */


    --mt-c2: #c9a0dc;   /* soft lavender */


    --mt-c3: #82ddb0;   /* soft mint */


    --mt-c4: #f7b977;   /* soft peach */


    --mt-c5: #f291a3;   /* soft rose */


    --mt-c6: #a0c4ff;   /* soft periwinkle */


    --mt-empty: rgba(255, 255, 255, 0.06);


    --mt-given-opacity: 1;


    --mt-placed-opacity: 0.9;


    --mt-conflict: #ff4757;


    --mt-success: #2ed573;


    --mt-title-a: #0abde3;


    --mt-title-b: #60a5fa;


}





/* ---- Title ---- */


.mt-title {


    font-size: 48px;


    font-weight: 900;


    line-height: 1;


    background: linear-gradient(135deg, var(--mt-title-a), var(--mt-title-b));


    -webkit-background-clip: text;


    -webkit-text-fill-color: transparent;


    background-clip: text;


    margin-bottom: 4px;


}





.mt-subtitle {


    font-size: 15px;


    color: var(--gp-text-secondary);


    margin-bottom: 24px;


    letter-spacing: 0.5px;


}





/* ---- Logo ---- */


.mt-logo {


    margin-bottom: 16px;


}





.mt-logo-grid {


    display: grid;


    grid-template-columns: repeat(3, 28px);


    grid-template-rows: repeat(3, 28px);


    gap: 4px;


}





.mt-logo-tile {


    width: 28px;


    height: 28px;


    border-radius: 6px;


    background: var(--c);


    opacity: 0.85;


    animation: mt-logo-pulse 3s ease-in-out infinite;


}





.mt-logo-tile:nth-child(2) { animation-delay: 0.3s; }


.mt-logo-tile:nth-child(3) { animation-delay: 0.6s; }


.mt-logo-tile:nth-child(4) { animation-delay: 0.9s; }


.mt-logo-tile:nth-child(6) { animation-delay: 1.2s; }


.mt-logo-tile:nth-child(7) { animation-delay: 0.4s; }


.mt-logo-tile:nth-child(8) { animation-delay: 0.7s; }


.mt-logo-tile:nth-child(9) { animation-delay: 1.0s; }





.mt-logo-empty {


    background: var(--mt-empty);


    border: 2px dashed rgba(255, 255, 255, 0.15);


}





@keyframes mt-logo-pulse {


    0%, 100% { transform: scale(1); opacity: 0.85; }


    50% { transform: scale(1.08); opacity: 1; }


}





/* ---- Difficulty Selector ---- */


.mt-difficulty-selector {


    display: flex;


    gap: 8px;


    margin-bottom: 20px;


}





.mt-diff-btn {


    display: flex;


    flex-direction: column;


    align-items: center;


    padding: 10px 18px;


    border: 2px solid rgba(255, 255, 255, 0.1);


    border-radius: var(--gp-radius-sm);


    background: rgba(255, 255, 255, 0.04);


    color: var(--gp-text-secondary);


    font-size: 14px;


    font-weight: 700;


    font-family: var(--gp-font-stack);


    cursor: pointer;


    transition: all 0.2s ease;


}





.mt-diff-btn.active {


    border-color: var(--mt-title-a);


    background: rgba(10, 189, 227, 0.12);


    color: var(--mt-title-a);


}





.mt-diff-size {


    font-size: 11px;


    font-weight: 500;


    opacity: 0.7;


    margin-top: 2px;


}





/* ---- Menu Stats ---- */


.mt-menu-stats {


    display: flex;


    gap: 24px;


    margin-bottom: 28px;


}





.mt-menu-stat {


    display: flex;


    flex-direction: column;


    align-items: center;


}





.mt-menu-stat-value {


    font-size: 24px;


    font-weight: 800;


    font-variant-numeric: tabular-nums;


    color: #fff;


}





.mt-menu-stat-label {


    font-size: 11px;


    color: var(--gp-text-secondary);


    text-transform: uppercase;


    letter-spacing: 0.8px;


    font-weight: 600;


}





/* ---- Game Area ---- */


#game-area {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    gap: 16px;


}





#mt-grid-wrap {
    position: relative;
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
}



#mt-grid {


    display: grid;


    gap: 4px;


    padding: 8px;


    background: rgba(255, 255, 255, 0.03);


    border-radius: var(--gp-radius-md);


    border: 1px solid rgba(255, 255, 255, 0.06);


}





/* ---- Cells ---- */


.mt-cell {


    position: relative;


    border-radius: 8px;


    cursor: pointer;


    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;


    display: flex;


    align-items: center;


    justify-content: center;


    -webkit-tap-highlight-color: transparent;


}





.mt-cell.mt-empty {


    background: var(--mt-empty);


    border: 2px dashed rgba(255, 255, 255, 0.08);


}





.mt-cell.mt-given {


    opacity: var(--mt-given-opacity);


    cursor: default;


    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.12);


}





.mt-cell.mt-given::after {


    content: '';


    position: absolute;


    bottom: 4px;


    right: 4px;


    width: 5px;


    height: 5px;


    border-radius: 50%;


    background: rgba(255, 255, 255, 0.35);


}





.mt-cell.mt-placed {


    opacity: var(--mt-placed-opacity);


    border: 2px solid transparent;


}





.mt-cell.mt-placed:active {


    transform: scale(0.92);


}





.mt-cell.mt-selected {


    box-shadow: 0 0 0 3px var(--mt-title-a), 0 0 16px rgba(10, 189, 227, 0.3);


}





/* Conflict flash */


.mt-cell.mt-conflict {


    animation: mt-conflict-flash 0.5s ease;


}





@keyframes mt-conflict-flash {


    0%, 100% { box-shadow: none; }


    25% { box-shadow: 0 0 0 3px var(--mt-conflict), 0 0 20px rgba(255, 71, 87, 0.4); }


    50% { box-shadow: 0 0 0 3px var(--mt-conflict), 0 0 20px rgba(255, 71, 87, 0.2); }


    75% { box-shadow: 0 0 0 2px var(--mt-conflict); }


}





/* Success glow */


.mt-cell.mt-valid {


    animation: mt-valid-glow 0.6s ease;


}





@keyframes mt-valid-glow {


    0% { box-shadow: none; }


    50% { box-shadow: 0 0 0 3px var(--mt-success), 0 0 16px rgba(46, 213, 115, 0.3); }


    100% { box-shadow: 0 0 0 2px rgba(46, 213, 115, 0.15); }


}





/* Celebration */


.mt-cell.mt-celebrate {


    animation: mt-celebrate 0.6s ease forwards;


}





@keyframes mt-celebrate {


    0% { transform: scale(1); }


    30% { transform: scale(1.15) rotate(3deg); }


    60% { transform: scale(0.95) rotate(-2deg); }


    100% { transform: scale(1) rotate(0); box-shadow: 0 0 12px rgba(46, 213, 115, 0.3); }


}





/* Hint pulse */


.mt-cell.mt-hint {


    animation: mt-hint-pulse 1s ease infinite;


}





@keyframes mt-hint-pulse {


    0%, 100% { box-shadow: 0 0 0 2px rgba(255, 217, 61, 0.3); }


    50% { box-shadow: 0 0 0 4px rgba(255, 217, 61, 0.6), 0 0 16px rgba(255, 217, 61, 0.2); }


}





/* ---- Color Palette ---- */


#mt-palette {


    display: flex;


    gap: 8px;


    padding: 10px 16px;


    background: rgba(255, 255, 255, 0.04);


    border-radius: var(--gp-radius-md);


    border: 1px solid rgba(255, 255, 255, 0.06);


}





.mt-palette-swatch {


    width: 40px;


    height: 40px;


    border-radius: 10px;


    cursor: pointer;


    transition: transform 0.15s ease, box-shadow 0.2s ease;


    border: 3px solid transparent;


    -webkit-tap-highlight-color: transparent;


}





.mt-palette-swatch:active {


    transform: scale(0.9);


}





.mt-palette-swatch.active {


    border-color: #fff;


    box-shadow: 0 0 12px rgba(255, 255, 255, 0.25);


    transform: scale(1.1);


}





.mt-palette-eraser {


    width: 40px;


    height: 40px;


    border-radius: 10px;


    cursor: pointer;


    background: var(--mt-empty);


    border: 3px solid transparent;


    display: flex;


    align-items: center;


    justify-content: center;


    font-size: 18px;


    transition: transform 0.15s ease, box-shadow 0.2s ease;


    -webkit-tap-highlight-color: transparent;


    color: var(--gp-text-secondary);


}





.mt-palette-eraser:active {


    transform: scale(0.9);


}





.mt-palette-eraser.active {


    border-color: #fff;


    box-shadow: 0 0 12px rgba(255, 255, 255, 0.25);


    transform: scale(1.1);


}





/* ---- Game Footer Actions ---- */


.mt-game-footer {
    display: flex;
    flex-shrink: 0;
    gap: 8px;
    padding: 8px 16px 16px;
    justify-content: center;
}



.mt-action-btn {


    padding: 10px 24px;


    border: none;


    border-radius: var(--gp-radius-sm);


    font-size: 15px;


    font-weight: 700;


    font-family: var(--gp-font-stack);


    cursor: pointer;


    background: linear-gradient(135deg, var(--mt-title-a), var(--mt-title-b));


    color: #fff;


    transition: transform 0.15s ease;


}





.mt-action-btn:active {


    transform: scale(0.95);


}





.mt-action-secondary {


    background: rgba(255, 255, 255, 0.08);


    color: var(--gp-text-secondary);


}





/* ---- Complete Screen ---- */


.mt-complete-title {


    font-size: 32px;


    font-weight: 900;


    background: linear-gradient(135deg, var(--mt-success), var(--mt-title-a));


    -webkit-background-clip: text;


    -webkit-text-fill-color: transparent;


    background-clip: text;


    margin-bottom: 8px;


}





.mt-new-best {


    display: inline-block;


    padding: 6px 16px;


    border-radius: 20px;


    background: linear-gradient(135deg, var(--gp-accent), var(--gp-fire-b));


    color: #1a1640;


    font-size: 14px;


    font-weight: 800;


    margin-bottom: 16px;


    animation: gp-badge-pop 0.4s ease forwards;


}





.mt-complete-stats {


    display: flex;


    gap: 28px;


    margin: 20px 0 32px;


}





.mt-complete-stat {


    display: flex;


    flex-direction: column;


    align-items: center;


}





.mt-complete-stat-value {


    font-size: 28px;


    font-weight: 800;


    font-variant-numeric: tabular-nums;


    color: #fff;


}





.mt-complete-stat-label {


    font-size: 11px;


    color: var(--gp-text-secondary);


    text-transform: uppercase;


    letter-spacing: 0.8px;


    font-weight: 600;


}





/* ---- Help Modal ---- */


.mt-help-section {


    display: flex;


    gap: 12px;


    align-items: flex-start;


    margin-bottom: 16px;


}





.mt-help-icon {


    font-size: 22px;


    flex-shrink: 0;


    width: 32px;


    text-align: center;


}





.mt-help-text {


    font-size: 14px;


    color: var(--gp-text-secondary);


    line-height: 1.5;


    text-align: left;


}





.mt-help-text strong {


    color: var(--gp-text-primary);


}





/* ---- Responsive Grid Sizing ---- */


#mt-grid.mt-size-4 {


    grid-template-columns: repeat(4, 1fr);


    grid-template-rows: repeat(4, 1fr);


}


#mt-grid.mt-size-5 {


    grid-template-columns: repeat(5, 1fr);


    grid-template-rows: repeat(5, 1fr);


}


#mt-grid.mt-size-6 {


    grid-template-columns: repeat(6, 1fr);


    grid-template-rows: repeat(6, 1fr);


}





/* Cell sizing based on grid */


#mt-grid.mt-size-4 .mt-cell { width: 68px; height: 68px; }


#mt-grid.mt-size-5 .mt-cell { width: 56px; height: 56px; }


#mt-grid.mt-size-6 .mt-cell { width: 46px; height: 46px; }





/* Smaller screens */


@media (max-width: 380px) {


    #mt-grid.mt-size-4 .mt-cell { width: 60px; height: 60px; }


    #mt-grid.mt-size-5 .mt-cell { width: 50px; height: 50px; }


    #mt-grid.mt-size-6 .mt-cell { width: 40px; height: 40px; }


    .mt-palette-swatch, .mt-palette-eraser { width: 34px; height: 34px; }


}





/* Taller screens: give more breathing room */


@media (min-height: 750px) {


    #game-area { gap: 24px; }


}





/* ---- Celebration Particles ---- */


.mt-particle {


    position: fixed;


    width: 8px;


    height: 8px;


    border-radius: 50%;


    pointer-events: none;


    z-index: 200;


    animation: mt-particle-fly 1s ease-out forwards;


}





@keyframes mt-particle-fly {


    0% {


        opacity: 1;


        transform: translate(0, 0) scale(1);


    }


    100% {


        opacity: 0;


        transform: translate(var(--dx), var(--dy)) scale(0.3);


    }


}





/* ---- Daily badge ---- */


.mt-daily-badge {


    display: inline-block;


    padding: 4px 10px;


    border-radius: 12px;


    background: linear-gradient(135deg, var(--mt-title-a), var(--mt-title-b));


    color: #fff;


    font-size: 11px;


    font-weight: 700;


    letter-spacing: 0.5px;


    margin-bottom: 4px;


}





/* ---- Screen game layout ---- */


#screen-game {
    display: flex;
    flex-direction: column;
}

#screen-game.active {
    display: flex;
}

/* Android standalone/PWA: reserve space inside gameplay chrome itself. */
.pwa-standalone #screen-game {
    padding-top: calc(var(--safe-top) + var(--gameplay-top-inset, 0px));
    padding-bottom: calc(var(--safe-bottom) + var(--gameplay-bottom-inset, 0px));
}

.pwa-standalone #screen-game .gp-footer-gameplay {
    display: none;
}

#mt-debug-overlay {
    display: none;
    position: fixed;
    top: calc(var(--mt-debug-target-top, 0px) + 12px);
    left: 12px;
    right: 12px;
    z-index: 1000;
    max-width: min(360px, calc(100vw - 24px));
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    background: rgba(9, 11, 28, 0.84);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    pointer-events: none;
}

@media (min-width: 440px) {
    #mt-debug-overlay {
        left: auto;
    }
}

.mt-debug-title {
    margin-bottom: 6px;
    color: #ffe04a;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.1px;
    text-transform: uppercase;
}

#mt-debug-output {
    margin: 0;
    color: #fff;
    font-size: 11px;
    line-height: 1.45;
    white-space: pre-wrap;
    font-family: Consolas, Menlo, Monaco, monospace;
}

.mt-debug-guide {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    height: 0;
    border-top: 2px dashed transparent;
    pointer-events: none;
    z-index: 999;
    opacity: 0.95;
}

.mt-debug-guide::before {
    position: absolute;
    left: 12px;
    top: -10px;
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(9, 11, 28, 0.92);
    color: inherit;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

#mt-debug-guide-target-top {
    top: var(--mt-debug-target-top, 0px);
    border-top-color: #94ff72;
    color: #94ff72;
}

#mt-debug-guide-target-top::before {
    content: 'target top';
}

#mt-debug-guide-hud-top {
    top: var(--mt-debug-hud-top, 0px);
    border-top-color: #ff6b7a;
    color: #ff6b7a;
}

#mt-debug-guide-hud-top::before {
    content: 'hud top';
}

#mt-debug-guide-target-bottom {
    top: var(--mt-debug-target-bottom, 0px);
    border-top-color: #ffd85a;
    color: #ffd85a;
}

#mt-debug-guide-target-bottom::before {
    content: 'target bottom';
}

#mt-debug-guide-footer-bottom {
    top: var(--mt-debug-footer-bottom, 0px);
    border-top-color: #4de1ff;
    color: #4de1ff;
}

#mt-debug-guide-footer-bottom::before {
    content: 'footer bottom';
}

/* ---- Daily Leaderboard ---- */
.mt-lb-loading {
    text-align: center;
    color: rgba(255,255,255,0.4);
    padding: 16px;
    font-size: 0.85rem;
}

.mt-lb-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.03);
    margin-bottom: 6px;
}

.mt-lb-entry.mt-lb-me {
    background: rgba(10, 189, 227, 0.1);
    border: 1px solid rgba(10, 189, 227, 0.25);
}

.mt-lb-rank {
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255,255,255,0.4);
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.mt-lb-entry:nth-child(1) .mt-lb-rank { color: #ffe04a; }
.mt-lb-entry:nth-child(2) .mt-lb-rank { color: #c0c0c0; }
.mt-lb-entry:nth-child(3) .mt-lb-rank { color: #cd7f32; }

.mt-lb-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mt-lb-time {
    font-size: 0.8rem;
    color: var(--mt-title-a);
    font-weight: 600;
    flex-shrink: 0;
}

.mt-lb-hints {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    flex-shrink: 0;
}