:root {
	--font-family: Arial, sans-serif;
	--border-radius: 8px;
	--spacing: 30px;
	--primary-color: #FF9800;
	--hover-color: #cf7b00;
	--text-color: #fff;
	--background-color: #16181b;
}

html {
	min-height: 100%;
}

* {
	box-sizing: border-box;
}

body {
	min-height: 100%;
	background: #061d33;
	text-align: center;
	font-family: 'Open Sans', sans-serif;
	margin: 0;
}

.no-js-message {
	color: white;
	position: absolute;
	width: 100%;
	padding: 50px;
	background: #000000e0;
	border-radius: 10px;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	z-index: 100;
}

p {
	font-weight: 600;
}

ul {
	text-align: left;
	margin-top: 20px;
	padding: 0 20px;
}

li > button {
	font-weight: 800;
	background: none;
	border: none;
	float: right;
	color: #ffffff94;
}

.flex-container {
	width: 90%;
	margin: auto;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
}

.page-title {
	padding: 50px 0;
	font-weight: bold;
}

.page-title h1 {
	color: #fff;
	text-transform: uppercase;
	font-weight: 800;
	margin: 0;
	font-family: 'Adamina', 'Georgia', serif;
	letter-spacing: 5px;
	font-size: 30px;
}

.input-group {
	margin-bottom: 5px;
	text-align: left;
}

.input-group label {
	color: white;
}

.input-row {
	display: flex;
	justify-content: space-between;
	gap: 10px;
}

.input-row > * {
	flex: 1;
}


.social-share-buttons a {
	text-decoration: none;
}

.share-tool-section {
	text-align: center;
}

.share-tool-section .social-share-buttons {
	padding: 10px 20px;
	background: none;
}

.share-tool-section .social-share-buttons a {
	color: #ffffff99;
	padding: 8px;
}

.share-tool-section .social-share-buttons a i {
	border: 1px solid #ffffff21;
	padding: 10px;
	border-radius: 6px;
}


/* Error Messages */
.error-message {
	display: none;
	position: absolute;
	top: 40px;
	left: 0;
	color: var(--error-color);
	font-size: 14px;
	font-weight: 600;
	background-color: var(--error-bg);
	padding: 5px 10px;
	border-radius: 5px;
	box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
	width: 100%;
	text-align: left;
	margin-top: 5px;
}

.no-js-message {
	color: var(--error-color);
	background-color: var(--error-bg);
	padding: 15px;
	border-radius: 5px;
	font-size: 16px;
}


/* App styles */

.circle-of-fifths-app{
	margin-bottom: 40px;
	width: 100%;
	min-width: 250px;
}

.app-container {
	background: var(--background-color);
	padding: 40px;
	border-radius: var(--border-radius);
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	max-width: 500px;
	margin: auto;
	overflow: hidden;
}




.circle-of-fifths-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 auto 40px;
  padding: min(100px, 15vw);
}

.circle-of-fifths-container::before {
  content: "";
  display: block;
  padding-bottom: 100%;
}

.circle {
  position: absolute;
  top: min(100px, 15vw);
  left: min(100px, 15vw);
  right: min(100px, 15vw);
  bottom: min(100px, 15vw);
  border: 2px dashed #ffffff1a;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.key-btn {
    position: absolute;
	width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    font-size: 23px;
    transform: translate(-50%, -50%);
}


.key-btn:hover {
    background-color: var(--hover-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.key-btn.selected {
    box-shadow: 0 0 0 4px rgb(255 255 255 / 98%);
}

/* Perfect circular layout using transform rotation & translate */
.circle .key-btn:nth-child(1)  { transform: rotate(0deg)   translateY(-7em) rotate(-0deg); }
.circle .key-btn:nth-child(2)  { transform: rotate(30deg)  translateY(-7em) rotate(-30deg); }
.circle .key-btn:nth-child(3)  { transform: rotate(60deg)  translateY(-7em) rotate(-60deg); }
.circle .key-btn:nth-child(4)  { transform: rotate(90deg)  translateY(-7em) rotate(-90deg); }
.circle .key-btn:nth-child(5)  { transform: rotate(120deg) translateY(-7em) rotate(-120deg); }
.circle .key-btn:nth-child(6)  { transform: rotate(150deg) translateY(-7em) rotate(-150deg); }
.circle .key-btn:nth-child(7)  { transform: rotate(180deg) translateY(-7em) rotate(-180deg); }
.circle .key-btn:nth-child(8)  { transform: rotate(210deg) translateY(-7em) rotate(-210deg); }
.circle .key-btn:nth-child(9)  { transform: rotate(240deg) translateY(-7em) rotate(-240deg); }
.circle .key-btn:nth-child(10) { transform: rotate(270deg) translateY(-7em) rotate(-270deg); }
.circle .key-btn:nth-child(11) { transform: rotate(300deg) translateY(-7em) rotate(-300deg); }
.circle .key-btn:nth-child(12) { transform: rotate(330deg) translateY(-7em) rotate(-330deg); }


#selected-key {
	position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    margin: 0;
	font-size: 4.5em;
}


.key-info-panel {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    padding: 30px 20px;
    color: var(--text-color);
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 0 10px #00000050;
    text-align: left;
}

.key-info-panel h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.key-info-panel h3 {
    margin-top: 20px;
    color: var(--hover-color);
}

.key-details {
	margin-bottom: 30px;
}

.key-details p {
    margin: 8px 0;
    font-size: 16px;
	display: flex;
    justify-content: space-between;
}

.chords-section ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chords-section ol li {
    background-color: #ffffff0d;
    padding: 10px;
    border-radius: 5px;
    margin: 5px 0;
    font-size: 15px;
	font-weight: lighter;
	display: flex;
    justify-content: space-between;
}


@media (max-width: 600px) {
    .circle-of-fifths-container {
        padding: min(120px, 20vw); 
		margin: 0 auto 30px;
    }

  
	 .circle {
		top: min(120px, 20vw);
		left: min(120px, 20vw);
		right: min(120px, 20vw);
		bottom: min(120px, 20vw);
	  }

    .key-btn {
        width: 60px;
        height: 60px;
        font-size: 16px;
    }
	
	.circle .key-btn:nth-child(1)  { transform: rotate(0deg)   translateY(-8em) rotate(-0deg); }
	.circle .key-btn:nth-child(2)  { transform: rotate(30deg)  translateY(-8em) rotate(-30deg); }
	.circle .key-btn:nth-child(3)  { transform: rotate(60deg)  translateY(-8em) rotate(-60deg); }
	.circle .key-btn:nth-child(4)  { transform: rotate(90deg)  translateY(-8em) rotate(-90deg); }
	.circle .key-btn:nth-child(5)  { transform: rotate(120deg) translateY(-8em) rotate(-120deg); }
	.circle .key-btn:nth-child(6)  { transform: rotate(150deg) translateY(-8em) rotate(-150deg); }
	.circle .key-btn:nth-child(7)  { transform: rotate(180deg) translateY(-8em) rotate(-180deg); }
	.circle .key-btn:nth-child(8)  { transform: rotate(210deg) translateY(-8em) rotate(-210deg); }
	.circle .key-btn:nth-child(9)  { transform: rotate(240deg) translateY(-8em) rotate(-240deg); }
	.circle .key-btn:nth-child(10) { transform: rotate(270deg) translateY(-8em) rotate(-270deg); }
	.circle .key-btn:nth-child(11) { transform: rotate(300deg) translateY(-8em) rotate(-300deg); }
	.circle .key-btn:nth-child(12) { transform: rotate(330deg) translateY(-8em) rotate(-330deg); }
}

@media (max-width: 460px) {
    .circle-of-fifths-container {
        padding: 70px;
		margin: 10px auto 30px;
    }

    .key-btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
	
	.circle .key-btn:nth-child(1)  { transform: rotate(0deg)   translateY(-7em) rotate(-0deg); }
	.circle .key-btn:nth-child(2)  { transform: rotate(30deg)  translateY(-7em) rotate(-30deg); }
	.circle .key-btn:nth-child(3)  { transform: rotate(60deg)  translateY(-7em) rotate(-60deg); }
	.circle .key-btn:nth-child(4)  { transform: rotate(90deg)  translateY(-7em) rotate(-90deg); }
	.circle .key-btn:nth-child(5)  { transform: rotate(120deg) translateY(-7em) rotate(-120deg); }
	.circle .key-btn:nth-child(6)  { transform: rotate(150deg) translateY(-7em) rotate(-150deg); }
	.circle .key-btn:nth-child(7)  { transform: rotate(180deg) translateY(-7em) rotate(-180deg); }
	.circle .key-btn:nth-child(8)  { transform: rotate(210deg) translateY(-7em) rotate(-210deg); }
	.circle .key-btn:nth-child(9)  { transform: rotate(240deg) translateY(-7em) rotate(-240deg); }
	.circle .key-btn:nth-child(10) { transform: rotate(270deg) translateY(-7em) rotate(-270deg); }
	.circle .key-btn:nth-child(11) { transform: rotate(300deg) translateY(-7em) rotate(-300deg); }
	.circle .key-btn:nth-child(12) { transform: rotate(330deg) translateY(-7em) rotate(-330deg); }
	
	.key-info-panel {
		 padding: 30px 0px;
		 box-shadow: none;
	}
	
	.key-details p {
		 font-size: 15px;
	}
	
	.key-details p strong {
		 margin-right: 10px;
	}
	
}


@media (max-width: 400px) {
	 .circle-of-fifths-container {
    padding: min(90px, 15vw); 
  }
  
  .circle {
    top: min(90px, 15vw);
    left: min(90px, 15vw);
    right: min(90px, 15vw);
    bottom: min(90px, 15vw);
  }

}

/* End App styles */



.fade-out {
	opacity: 0;
	transition: opacity 1s ease-out;
	pointer-events: none;
}

.fade-in {
	opacity: 0;
	animation: fadeIn 1s forwards;
}


@keyframes fadeIn {
	from {
		opacity: 0;
	}

	to {
		opacity: 1;
	}
}

@keyframes pop {
	0% {
		transform: translate(-50%, -50%) scale(1);
		opacity: 1;
	}

	100% {
		transform: translate(-50%, -50%) scale(2);
		opacity: 0;
	}
}

footer {
	padding: 15px 20px;
	color: #ffffff6e;
	font-family: sans-serif;
	text-align: center;
	font-size: 15px;
	letter-spacing: .2px;
}

footer a {
	color: #ff9901;
	text-decoration: none;
	cursor: pointer;
	display: inline-block;
}

footer .made-by {
	color: white;
}

footer .footer-copyright {
	font-size: 14px;
	line-height: 1.4;
	font-weight: lighter;
}