/*
 * Copyright (c) 2025-2026 Evolution Creek Software. All rights reserved.
 *
 * Unauthorized copying, linking, or other unintended use of this file
 * (in part or in whole) is strictly prohibited.
 */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

#grid {
  width: min(400px, 90vw);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  margin-top: 2.5rem;
  border: 5px solid saddlebrown;
  border-radius: 15px;
  padding: 20px;
  background-color: peachpuff;
}

.cell {
  width: 100%;
  position: relative;
  box-sizing: border-box;
  aspect-ratio: 1/1;
  overflow: visible;
  font-family: 'Luckiest Guy', cursive;
  font-weight: normal;
  font-size: clamp(40px, 2vw, 3.5rem);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.2s, transform 0.2s ease, box-shadow 0.5s ease;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.cell.completed {
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.4);
}

.border {
  position: absolute;
  cursor: pointer;
  transition: background-color 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.border.top {
  top: 0;
  left: 0;
  width: 100%;
  height: 20px;
  transform: translateY(-50%);
}

.border.bottom {
  bottom: 0;
  left: 0;
  width: 100%;
  height: 20px;
  transform: translateY(50%);
}

.border.left {
  top: 0;
  left: 0;
  width: 20px;
  height: 100%;
  transform: translateX(-50%);
}

.border.right {
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  transform: translateX(50%);
}


.border::before {
  content: "";
  position: absolute;
  background-color: transparent;
  transition: background-color 0.2s;
}


.border.top::before,
.border.bottom::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 4px;
  transform: translateY(-50%);
}

.border.left::before,
.border.right::before {
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  transform: translateX(-50%);
}

.border:hover::before {
  background-color: steelblue;
}

.border.active-player::before {
  background-color: steelblue;
}

.border.active-cpu::before {
  background-color: darkred;
}

/*
.border.active-player::before {
  --start-color: dodgerblue;
  background-color: dodgerblue;
  animation: borderFadeToBlack 1s ease-out forwards;
}

.border.active-cpu::before {
  --start-color: crimson;
  background-color: crimson;
  animation: borderFadeToBlack 4s ease-out forwards;
}

@keyframes borderFadeToBlack {
  0% {
    background-color: var(--start-color);
  }
  100% {
    background-color: black;
  }
}
*/

.dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: radial-gradient(circle at 40% 40%, peru 45%, saddlebrown 55%);
  border-radius: 50%;
  z-index: 20;
}

.top-left { top: 0; left: 0; transform: translate(-50%, -50%); }
.top-right { top: 0; right: 0; transform: translate(50%, -50%); }
.bottom-left { bottom: 0; left: 0; transform: translate(-50%, 50%); }
.bottom-right { bottom: 0; right: 0; transform: translate(50%, 50%); }

@keyframes squareAnimation {
  0%   { box-shadow: 0 0 0px var(--glow-color); }
  50%  { box-shadow: 0 0 15px var(--glow-color); }
  100% { box-shadow: 0 0 0px var(--glow-color); }
}

.animate{
  animation: squareAnimation 0.6s ease-out;
}

#scoreBoard {
  display: flex;
  flex-direction: column;
  font-family: 'Caveat', cursive;
  font-size: clamp(20px, 3vw, 28px);
  margin-top: 1rem;
  min-width: 220px;
}

.scoreRow {
  display: grid;
  grid-template-columns: 6rem 4rem 4rem;
  text-align: center;
  gap: 0.25rem;
}

.scoreRow.header {
  border-bottom: 1px solid #aaa;
  margin-bottom: 0.2rem;
  font-size: clamp(16px, 2.5vw, 22px);
  color: #555;
}

#lifetimeStats {
  display: flex;
  gap: 1.5rem;
  font-family: 'Caveat', cursive;
  font-size: clamp(18px, 2.5vw, 26px);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

#statusMessage{
  font-family: 'Caveat', cursive;
  font-size: clamp(24px, 4vw, 40px);
  text-align: center;
  margin-top: 1rem;
  padding: 0 1rem;
  box-sizing: border-box;
}

#buttons{
  max-width: 90vw;
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.button {
  margin-top: clamp(15px, 3vw, 25px);
  width: 190px;
  display: flex;
  color: black;
  font-family: 'Caveat', cursive;
  white-space: nowrap;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  padding: 0.5em 1em;
  border: 2px solid black;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

@media (hover: hover) and (pointer: fine){
  #easyButton:hover {
    background-color: darkseagreen;
  }

  #mediumButton:hover {
    background-color: goldenrod;
  }

  #hardButton:hover {
    background-color: rgb(165, 42, 42);
  }

  .main:hover {
    background-color: lightblue;
  }
}

#easyButton{
  background-color: lightgreen;
}

#mediumButton{
  background-color: rgb(251, 236, 93);
}

#hardButton{
  background-color: indianred;
}
.button:active{
  transform: scale(0.95);
}

@media (hover: none) and (pointer: coarse) {
  .border:hover::before {
    background-color: transparent !important;
  }

  /* But keep the active states visible */
  .border.active-player::before {
    background-color: steelblue !important;
  }

  .border.active-cpu::before {
    background-color: darkred !important;
  }
}


@media (max-width: 600px) {

  #grid {
    width: 80vw;
  }

  #scoreBoard {
    font-size: clamp(22px, 5vw, 32px);
    min-width: 60vw;
  }

  .scoreRow {
    grid-template-columns: 6rem 3.5rem 3.5rem;
  }

  #buttons{
    max-width: 95vw;
    gap: 1rem;
  }

  .button {
    width: 30vw;
    font-size: 25px;
    padding: 0.5em 0.5em;
  }


  #statusMessage{
    font-size: clamp(30px, 5vw, 40px);
  }

  #easyButton:hover{
    background-color: lightgreen;
  }


  #mediumButton:hover{
    background-color: rgb(251, 236, 93);
  }


  #hardButton:hover{
    background-color: indianred;
  }

  .main:hover {
    background-color: lightcyan;
  }

}