/* Charity: water Brand Colors */

:root {
	/* Primary Colors: */
	--Yellow:     #FFC907;
	--Blue:       #2E9DF7;

	/* Secondary Colors: */
	--Light-Blue: #8BD1CB;
	--Green:      #4FCB53;
	--Orange:     #FF902A;
	--Red:        #F5402C;
	--Dark-Green: #159A48;
	--Pink:       #F16061;

	/* Neutral and utility colors for layout */
	--Ink: #153147;
	--Paper: #ffffff;
	--Paper-Soft: #f6fbff;
	--Border: #d5e6f5;
	--Shadow: 0 12px 30px rgba(21, 49, 71, 0.14);
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	padding: 28px 16px 36px;
	color: var(--Ink);
	font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
	background:
		radial-gradient(circle at 12% 12%, rgba(139, 209, 203, 0.45), transparent 35%),
		radial-gradient(circle at 88% 20%, rgba(255, 201, 7, 0.35), transparent 35%),
		linear-gradient(160deg, #eef8ff 0%, #f7fcff 45%, #edf9f4 100%);
}

body > * {
	margin-left: auto;
	margin-right: auto;
}

h1 {
	margin: 0 auto 20px;
	padding: 22px 20px;
	border: 2px solid var(--Border);
	border-radius: 18px;
	background: linear-gradient(90deg, var(--Blue), #67b9ff 58%, var(--Light-Blue));
	color: #08253b;
	text-align: center;
	letter-spacing: 0.3px;
	box-shadow: var(--Shadow);
}

p {
	margin: 12px 0 7px;
	line-height: 1.35;
	font-size: 1rem;
}

p span {
	font-weight: 700;
}

progress {
	width: 100%;
	height: 16px;
	border: 0;
	border-radius: 999px;
	overflow: hidden;
	background: #eaf3fb;
	box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.12);
}

progress::-webkit-progress-bar {
	background: #eaf3fb;
	border-radius: 999px;
}

progress::-webkit-progress-value {
	border-radius: 999px;
	transition: width 220ms ease;
}

progress::-moz-progress-bar {
	border-radius: 999px;
}

#distance-progress::-webkit-progress-value,
#distance-progress::-moz-progress-bar {
	background: linear-gradient(90deg, var(--Blue), var(--Light-Blue));
}

#water-progress::-webkit-progress-value,
#water-progress::-moz-progress-bar {
	background: linear-gradient(90deg, var(--Dark-Green), var(--Green));
}

#heat-progress::-webkit-progress-value,
#heat-progress::-moz-progress-bar {
	background: linear-gradient(90deg, var(--Orange), var(--Red));
}

button {
	margin: 16px 8px 10px 0;
	padding: 12px 18px;
	border: 0;
	border-radius: 12px;
	color: #083350;
	font-size: 0.97rem;
	font-weight: 700;
	cursor: pointer;
	transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
	box-shadow: 0 6px 16px rgba(8, 51, 80, 0.2);
}

button:hover {
	transform: translateY(-1px);
	filter: brightness(1.02);
}

button:active {
	transform: translateY(0);
}

button:disabled {
	opacity: 0.55;
	cursor: not-allowed;
	transform: none;
}

#walk-button {
	background: linear-gradient(135deg, var(--Yellow), #ffd84a);
}

#run-button {
	background: linear-gradient(135deg, var(--Orange), var(--Pink));
	color: #3f1205;
}

#reset-button {
	background: linear-gradient(135deg, var(--Light-Blue), var(--Blue));
}

#restart-button {
	background: linear-gradient(135deg, var(--Light-Blue), var(--Blue));
}

div {
	margin-top: 14px;
	padding: 14px 16px;
	border-radius: 14px;
	border: 1px solid var(--Border);
	background: var(--Paper);
	box-shadow: 0 6px 18px rgba(21, 49, 71, 0.08);
}

h3 {
	margin: 0 0 6px;
	color: #0e3f5e;
}

#message {
	color: #104665;
}

#result {
	font-weight: 700;
	color: #0f3855;
}

#leaderboard-list {
	margin: 0;
	padding-left: 22px;
}

#leaderboard-list li {
	margin: 4px 0;
}

.confetti-layer {
	position: fixed;
	width: 100%;
	top: 0;
	left: 0;
	pointer-events: none;
	height: 100vh;
	z-index: 9999;
  overflow: hidden;
  background: transparent !important;
  border: none;
  box-shadow: none;
  padding: 0;
  margin: 0;
}

.confetti-piece {
	position: absolute;
	width: 10px;
	height: 14px;
	border-radius: 2px;
	opacity: 0.95;
	animation-name: confetti-fall;
	animation-timing-function: linear;
	animation-fill-mode: forwards;
}

@keyframes confetti-fall {
	0% {
		transform: translateY(0) rotate(0deg);
		opacity: 1;
	}
	100% {
		transform: translateY(100vh) rotate(720deg);
		opacity: 0;
	}
}

.heat-overlay {
	position: fixed;
	inset: 0;
	background-color: rgba(245, 64, 44, 0.35);
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
	pointer-events: none;
	z-index: 8;
	animation: heat-pulse 0.6s ease-in-out;
}

@keyframes heat-pulse {
	0% {
		opacity: 0;
	}
	50% {
		opacity: 0.4;
	}
	100% {
		opacity: 0.35;
	}
}

@media (max-width: 680px) {
	body {
		padding: 18px 12px 26px;
	}

	h1 {
		font-size: 1.6rem;
		padding: 18px 14px;
	}

	button {
		width: 100%;
		margin-right: 0;
	}
}