:root {
            --primary-color: #4a6fa5;
            --secondary-color: #166088;
            --error-color: #aa2b2b;
            --hint-color: #4cb944;
            --highlight-color: #1a1a1a30;
            --influence-color: #ffef9f;
            --bg-color: #f8f9fa;
            --cell-color: #e9ecef;
            --fixed-cell-color: #d2d5d9;
            --border-color: #90a8c0;
            --area-color: rgba(100, 181, 246, 0.2);
            --hint-cell-color: #4CAF50;
            --highlight-row: rgba(255, 165, 0, 0.15);
            --highlight-col: rgba(0, 191, 255, 0.15);
            --highlight-box: rgba(144, 238, 144, 0.15);
            --conflict-number: #ffcccc;
        }
.sudoku-game .cell.selected.error {
    color: var(--error-color);
}
     .sudoku-game    .game-wrapper {
            display: flex;
            flex-direction: column;
            width: 100%;
            max-width: 1200px;
            gap: 20px;margin: 0 auto;        direction: ltr;
        }
.hint-content ul {    margin-top: 8px;}





        @media (min-width: 1000px) {
           .sudoku-game  .game-wrapper {
                flex-direction: row;
                flex-wrap: wrap;
                align-items: flex-start;
            }
        }


.sudoku-game .bluredanda {filter: blur(4px)}
      .sudoku-game   .game-main {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 300px;
            position: relative;
        }

      .sudoku-game   .game-controls {
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
            margin-right: 183px;
        }

       .sudoku-game  .controls-group {
            padding: 8px;    border: 3px solid white;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            margin-bottom: 20px;
            display: flex;
            gap: 8px;    justify-content: space-evenly;
        }

@media (min-width: 1000px) and (max-width: 1200px) {
.sudoku-game .game-controls {
    width: 100%;
    max-width: 300px;
    margin: initial;
    margin-right: 43px;
}
.sudoku-game .game-main {

    max-width: 600px;
}
.sudoku-game .game-wrapper {

    justify-content: center;
}
}
      .sudoku-game .game-wrapper  button {
        background-color: #000;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 27px;
    transition: all 0.2s;
    width: 100%;
    margin: 0px 0;    border: 2px solid #8d8d8d;
             height: 60px;
                        display: flex;
            align-items: center;
            justify-content: center;
        }

    .sudoku-game  .game-wrapper   button:hover {
            background-color: #5f1212;
        }

     .sudoku-game .game-wrapper   button:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

    .sudoku-game     select {
            padding: 12px;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            font-size: 16px;
            width: 100%;
            margin-bottom: 15px;
        }

     .sudoku-game    .controls-group button {
    border-radius: 50%;
    width: 65px;
    background-color: #1a1a1a;
    color: white;
    position: relative;
    border: none;
    height: 65px;
    padding: 3.5px 16px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
    width: 65px;
    margin: 5px 0;
    display: flex
;
    justify-content: center;
    border: 3px dashed white;
        }

      .sudoku-game   .controls-group button:hover {
            background-color: #5f1212!important
        }

      .sudoku-game   .sudoku-board {
            display: grid;
            grid-template-columns: repeat(9, 1fr);
            grid-template-rows: repeat(9, 1fr);
            gap: 2px;
            border: 2px solid var(--border-color);
            margin: 20px 0;
            width: 100%;
            background:  var(--cell-color);
            max-width: 570px;
            aspect-ratio: 1/1;
        }

.sudoku-board {

        position: relative;
    overflow: hidden;


}
/* Тонкая сетка 1px */

.sudoku-board::before {

content: '';

position: absolute;

top: -55%;

left: -55%;

width: 500%;

height: 500%;

    background: 
        linear-gradient(transparent 48px, var(--border-color) 48px, var(--border-color) 50px, transparent 50px),
        linear-gradient(90deg, transparent 48px, var(--border-color) 48px, var(--border-color) 50px, transparent 50px);

background-size: 50px 50px;

animation: gridMove2 10s infinite linear;

}

/* Толстая сетка 6px - каждые 3 клетки (150px) */

.sudoku-board::after {

content: '';

position: absolute;

top: -55%;

left: -55%;

width: 500%;

height: 500%;

background:

linear-gradient(transparent 147px, var(--border-color) 147px, var(--border-color) 154px, transparent 154px),

linear-gradient(90deg, transparent 147px, var(--border-color) 147px, var(--border-color) 154px, transparent 154px);

background-size: 150px 150px; /* Толстые линии каждые 150px */

animation: gridMove 7s infinite linear;

}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    50% { transform: translate(100px, -100px); } /* Сдвигаем на 2 клетки */
    100% { transform: translate(-100px, 100px); } /* Сдвигаем на 2 клетки */
}

@keyframes gridMove2 {
    0% { transform: translate(0, 0); }
    50% { transform: translate(100px, 100px); } /* Сдвигаем на 2 клетки */
    100% { transform: translate(-100px, 100px); } /* Сдвигаем на 2 клетки */
}
      .sudoku-game   .sudoku-board.loaded   {              background: var(--border-color);
}
.sudoku-board.loaded::before {display: none;}
.sudoku-board.loaded::after {display: none;}

        .sudoku-game .cell {
            background-color: var(--cell-color);
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 2.8rem;    transition: none;
            font-weight: bold;
            cursor: pointer;
            user-select: none;
            min-height: 0;
            min-width: 0;
            position: relative;    transition: 0.3s background-color;
            padding: 5%;
                height: auto;    line-height: 1;
    width: auto;
        }

      .sudoku-game   .cell span {
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: font-size 0.2s;
        }

      .sudoku-game   .cell::after {
            content: '';
            display: block;
            padding-bottom: 100%;
        }

    .sudoku-game     .cell > * {
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

       .sudoku-game  .cell.fixed {
            background-color: var(--fixed-cell-color);
            color: #000;
        }

       .sudoku-game  .cell.highlighted {
            background-color: var(--highlight-color)!important;
        }

      .sudoku-game   .cell.error {
            color: var(--error-color);
        }

      .sudoku-game   .cell.hint {
            background-color: var(--hint-color);
            color: white;
            animation: pulse 1s;
        }

      .sudoku-game   .cell.selected {
             background-color: #85b3e1;
               color: white;
        }

      .sudoku-game   .cell:nth-child(3n) {
            border-right: 2px solid var(--border-color);
        }

      .sudoku-game   .cell:nth-child(9n+1) {
            border-left: 2px solid var(--border-color);
        }

      .sudoku-game   .cell:nth-child(n+19):nth-child(-n+27),
      .sudoku-game   .cell:nth-child(n+46):nth-child(-n+54) {
            border-bottom: 2px solid var(--border-color);
        }

      .sudoku-game   .cell:nth-child(n+1):nth-child(-n+9) {
            border-top: 2px solid var(--border-color);
        }

      .sudoku-game   .number-pad {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin: 20px 0;
            width: 100%;
            max-width: 500px;
            justify-items: center;
        }


     .sudoku-game    .number-btn.clear {
            grid-column: span 1;
            height: 60px;
            font-size: 1.2rem;
background-color: #1a1a1a;
            color: white;
            grid-column-end: 3;
            grid-column-start: 2;
        }

       .sudoku-game  .number-btn.clear:hover {
            background-color: #5f1212;
        }

    .sudoku-game     .timer {
            font-size: 1.4rem;
            margin: 15px 0;
            font-weight: 600;
            color: var(--secondary-color);
            text-align: center;
            display: none;
        }

     .sudoku-game    .stats {
            display: flex;
            gap: 20px;
            margin: 15px 0 0;
            justify-content: center;
        }
      .sudoku-game   .stat {
        
    background-color: #1a1a1a;
            padding: 12px 20px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            min-width: 100px;
            text-align: center;
            font-size: 1.5rem;
        }
.sudoku-board {    color: #2d3748;}
      .sudoku-game   .hint-explanation {
background-color: #1a1a1a;
    padding: 8px;
    border-radius: 8px;
    margin: 0 0 15px;
    width: 100%;
    max-width: 568px;
    display: none;
    font-size: 1.4rem;
    line-height: 1.4;
    border: 2px solid white;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

       .sudoku-game  .loading {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0,0,0,0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            color: white;
            font-size: 1.5rem;
            display: none;
            backdrop-filter: blur(3px);
        }

     .sudoku-game    .hint-influence-row {
            background-color: #ffffff73 !important;
        }

     .sudoku-game    .hint-influence-col {
            background-color: #ffffff73 !important;
        }

     .sudoku-game    .game-mode{       margin: 0 auto 10px;
    font-family: 'Indie Flower', -apple-system, cursive;
    border: 3px solid white;    direction: ltr;
    border-radius: 12px;
}
     .sudoku-game    .hint-cell {
            background-color: #85b3e1 !important;
            animation: pulse-hint 1.5s infinite;
        }

      .sudoku-game   .cell.error-hinter {
            color: black; 
            background-color: var(--highlight-color)!important;
        }
 .sudoku-game #handlerMode:hover img {
    animation: winnerimg 0.5s ease infinite alternate;
}

 .sudoku-game #reset-button:hover img {
    border-radius: 36px;
    animation: pulse-hint2 0.5s ease infinite alternate;
}
        @keyframes pulse-hint {
            0% { transform: scale(1); }
            50% { transform: scale(1); }
            100% { transform: scale(1); }
        }
 @keyframes pulse-hint2 {
            0% { transform: scale(1); }
            25% { transform: scale(1.05); }
            50% { transform: scale(1.1); }
            75% { transform: scale(1.15); }
            100% { transform: scale(1.2); }
        }
      .sudoku-game   .note-number {
            font-size: 1.4rem;
            color: #666;
            position: absolute;
            width: 33.33%;
            height: 33.33%;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
        }

     .sudoku-game    .note-number[data-number="1"] { left: 0; top: 0; }
     .sudoku-game    .note-number[data-number="2"] { left: 33.33%; top: 0; }
     .sudoku-game    .note-number[data-number="3"] { left: 66.66%; top: 0; }
     .sudoku-game    .note-number[data-number="4"] { left: 0; top: 33.33%; }
      .sudoku-game   .note-number[data-number="5"] { left: 33.33%; top: 33.33%; }
     .sudoku-game    .note-number[data-number="6"] { left: 66.66%; top: 33.33%; }
     .sudoku-game    .note-number[data-number="7"] { left: 0; top: 66.66%; }
     .sudoku-game    .note-number[data-number="8"] { left: 33.33%; top: 66.66%; }
     .sudoku-game    .note-number[data-number="9"] { left: 66.66%; top: 66.66%; }

    .sudoku-game     .controls-group svg {
            fill: white;
            width: 30px;
        }

     .sudoku-game    .controls-group #toggle-notes:after {
            color: #fff;
            content: "OFF";
            display: flex;
            font-size: 12px;
            justify-content: center;
            position: absolute;
            right: -8px;
            top: -9px;
            background: #707070;
            height: 23px;
            width: 35px;
            border-radius: 22px;
            align-content: center;
            align-items: center;
            outline: 2px solid white;
        }

    .sudoku-game     .controls-group #toggle-notes.active:after {
            content: "ON"; 
            background-color: var(--primary-color);
        }

   .sudoku-game      .controls-group #check-errors:after {
            color: #fff;
            content: "OFF";
            display: flex;
            font-size: 12px;
            justify-content: center;
            position: absolute;
            right: -8px;
            top: -9px;
            background: #707070;
            height: 23px;
            width: 35px;
            border-radius: 22px;
            align-content: center;
            align-items: center;
            outline: 2px solid white;
        }

    .sudoku-game     .controls-group #check-errors.active:after {
            content: "ON";
            background-color: var(--primary-color);
        }

   .sudoku-game      .controls-group #smart-hint:not(.active) {
            background-color: #515151;
            cursor: not-allowed;
            pointer-events: none;
        }

     .sudoku-game    .number-pad .number-btn.filled {
            font-size: 0;
            position: relative;
            background: grey;
            pointer-events: none;
        }

     .sudoku-game    .number-pad .number-btn.filled:before {
            content: "";
            display: block;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='43' height='43'%3E%3Cpath fill='%23FFFFFF' fill-rule='evenodd' d='M33.082 12.87a1.5 1.5 0 0 1 2.246 1.98l-.124.142L19.56 30.635a1.5 1.5 0 0 1-1.98.125l-.142-.125-7.324-7.324a1.5 1.5 0 0 1 1.98-2.246l.141.124 6.264 6.263z'/%3E%3C/svg%3E");
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            background-repeat: no-repeat;
            background-size: inherit;
            background-position: center center;
        }

   .sudoku-game      .cell.activated {
            background-color: #ffffff73;
            transition: background-color 0.2s;
        }

    .sudoku-game     .cell.selected.activated {
               background-color: #85b3e1;
               color: white;
        }
        .sudoku-game     .cell.selected.activated:not(.fixed) {  background-color: #85b3e1!important}
        @media (max-width: 1000px) {
      .sudoku-game       .game-controls {
                margin-right: auto;
            }
        }
        #handlerDiff div img{transition: 0.3s all;}
#handlerDiff:hover img {
     transform: rotate(-90deg);
}
#handlerDiff:hover {
    text-shadow: none;
}
#handlerDiff a:hover {
    text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 40px #fff;
text-decoration: none;
}
#handlerDiff .current a{    background: #5f5d5d;
    margin: 0 10px;
    border-radius: 7px;}
    #handlerDiff .current a::before{  content: "✔";
    position: absolute;
    left: 14px; }
#handlerDiff img {    filter: invert(0); 
    width: 19px;
    top: -2px;
    position: relative;
    transform: rotate(90deg);
    left: 4px;}
#handlerDiff > div{    display: flex;
    align-items: center;}
  #handlerDiff li {
    list-style: none;
    margin: 0;    white-space: nowrap;
   
}
  #handlerDiff li a{     padding: 4px 39px;    display: block;    margin: 0 10px;}
#handlerDiff:hover a{    color: white;}
        #handlerDiff ul {display: none;
    position: absolute;
    top: 50px;
    border: 3px solid white;   
    border-bottom-right-radius: 12px;
    right: 0;
        padding: 10px 0px;
    z-index: 22;
    background: #1a1a1a;
    text-align: left;
    border-bottom-left-radius: 12px;}
        #handlerDiff:hover ul {display: block;}
        @media (max-width: 768px) {

.sudoku-board::before {

content: '';

position: absolute;

top: -55%;

left: -55%;

width: 500%;

height: 500%;

    background: 
        linear-gradient(transparent 35px, var(--border-color) 35px, var(--border-color) 37px, transparent 37px),
        linear-gradient(90deg, transparent 35px, var(--border-color) 35px, var(--border-color) 37px, transparent 37px);

background-size: 37px 37px;

animation: gridMove2 10s infinite linear;

}

/* Толстая сетка 6px - каждые 3 клетки (150px) */

.sudoku-board::after {

content: '';

position: absolute;

top: -55%;

left: -55%;

width: 500%;

height: 500%;

background:

linear-gradient(transparent 95px, var(--border-color) 95px, var(--border-color) 98px, transparent 98px),

linear-gradient(90deg, transparent 95px, var(--border-color) 95px, var(--border-color) 98px, transparent 98px);

background-size: 110px 110px; /* Толстые линии каждые 150px */

animation: gridMove 7s infinite linear;

}




            #handlerDiff > div {

    margin-right: 17px;
}
        .sudoku-game     .sudoku-board {
                max-width: 90vw;
                font-size: 1.5rem;
            }

.game-controls {    display: flex
;
    flex-wrap: wrap;}
            .sudoku-game .controls-group {
        margin-bottom: 0;
    width: 100%;
}
.stats-part {order: 3;        width: 100%;}
.controls-group {order: 2;}
.number-pad {order: 1;         margin: 0px 0;}
.sudoku-game .stats {

    margin: 2px 0;
}
.sudoku-game .game-wrapper ul {
    margin-top: 7px;
    padding-left: 19px;
}
.sudoku-game .hint-explanation {
    background-color: #1a1a1a;
    padding: 10px;
    border-radius: 8px;
    margin: 0 0 15px;
     width: auto; 
    max-width: 550px;
    /* box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); */
    display: none;
    font-size: 1.25rem;
    line-height: 1.4;
    border: 2px solid white;
    margin: 0 16px 11px;
}
            .sudoku-game .game-wrapper .number-pad button {                       padding: 11px 4px;
        font-size: 32px;
           width: 18%;}
            .sudoku-game .number-pad {

            display: flex
;
    gap: 4px;
    margin: 20px 0;
    width: 100%;
    max-width: 500px;        margin: 0px 0 12px;
    justify-items: center;
        justify-items: center;
        flex-wrap: wrap;
        justify-content: center;

}

.sudoku-game .controls-group button {height: 68px; width: 68px;}
.sudoku-game .game-wrapper {

    gap: 0px;
}
.sudoku-game .controls-group  {border: none;}
.sudoku-game .number-btn.clear {    grid-column-end: none;
    grid-column-start: none;}
        .sudoku-game    .number-btn {
                height: 50px;
                font-size: 1.5rem;
            }
.sudoku-game .cell {

    font-size: 2.1rem;
        }

    }
   /* #smart-hint {    animation: andaborder2 0.7s ease infinite alternate;}*/

      
#smart-hint svg{
    animation: andaborder 8s ease infinite ; animation-delay: 5s;}
           @keyframes andaborder {
            0% {       fill: white; }
            5% {     fill: #ffc01b; }
            15% {     fill: white; }
            20% {     fill: #ffc01b; }
            30% {     fill: white; }
            100% {    fill: white; }
        }
           @keyframes andaborder2 {
            0% {      border-color: white; }
            50% {     border-color: #ffc01b;}
            100% {    border-color: white; }
        }
#smart-hint{
    animation: andaborder3 8s ease infinite ; animation-delay: 5s;}
           @keyframes andaborder3 {
            0% {       background-color: #1a1a1a; }
            5% {     background-color: #5f1212; }
            15% {     background-color: #1a1a1a; }
            20% {     background-color: #5f1212; }
            30% {     background-color: #1a1a1a; }
            100% {    background-color: #1a1a1a; }
        }
        .sudoku-game div.absolute {
			position: absolute;
			top: 32%;
			right: 0;    z-index: 333;    text-align: center;
			left: 0;
		}
		.sudoku-game .absolute p {
			display: inline-block;
		}
        .sudoku-game .absolute2 .buttonand.grey {
			background: #4f4f4fd9;
			color: white;
		}
		.sudoku-game .absolute2 .buttonand {
			background: #6c1717d9;
			color: white;
		}
        .sudoku-game .buttonand {
    border: 1px solid white;
    display: inline-block;
    padding: 26px 4px 21px;
    line-height: 1;
    cursor: pointer;
    font-size: 31px;
    width: 219px;
    background: #1a1a1a;
    border-radius: 10px;
    transition: 0.3s all;
}
.sudoku-game .buttonand:hover {
    background-color: #5f1212 !important;
}
p.winner {
    text-align: center;
    font-weight: bold;
    line-height: 60px;
    color: white;
    user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    border: 1px solid white;
    padding: 12px 10px 12px;
    line-height: 2.2;
    cursor: pointer;
    font-size: 28px;
    width: 95%;
    background: #1a1a1a00;
    line-height: 1.3;
}
.absolute2 .winner {
    line-height: 1.3;
    background: #000000c9;
}
        .podwin {
    max-width: 490px;
    margin: 0 auto;
}