/* Common CSS Variables and Reset */
:root {
  --color-light: #f3f4f6;
  --color-dark: #212121;
  --color-white: #ffffff;
  --color-black: #000000;

  --color-bg: var(--color-light);
  --color-text: var(--color-dark);
  --color-border: var(--color-dark);
  --color-surface: var(--color-white);

  --color-green: #28a745;
  --color-yellow: #ffc107;
  --color-red: #dc3545;
  --color-blue: #007bff;

  --space-sm: 0.25rem;  /* 4px */
  --space-md: 0.5rem;   /* 8px */
  --space-lg: 1rem;     /* 16px */
  --space-xl: 2rem;     /* 32px */
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--color-dark);
    --color-text: var(--color-light);
    --color-border: var(--color-light);
    --color-surface: var(--color-black);
  }

  header > img {
    filter: brightness(0) invert(1);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

img {
  border-radius: var(--space-md);
}

a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1px;
  transition: border-color 0.2s;
}

a:hover {
  border-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-border);
  outline-offset: 2px;
}

p, ul, li {
  margin-top: var(--space-md);
  line-height: 1.6;
}

h1, h2, h3 {
  line-height: 1.3;
}

h1 {
  margin-top: var(--space-md);
}

/* Additional global styles can be added here */
h3 {
  font-size: 14px;
  font-weight: 600;
}

.wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

header, main, footer {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-lg);
}

main, main > header {
  flex-direction: column;
}

main > header {
  padding: var(--space-lg) 0;
  gap: 0;
}

code {
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  background-color: var(--color-black);
  color: var(--color-light);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--space-sm);
  font-size: 0.9em;
}

footer {
  flex-direction: column;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.demo {
  display: flex;
  gap: calc(var(--space-xl) * 2);
}

@media (max-width: 600px) {
  .demo {
    flex-direction: column;
    align-items: center;
  }
}

.btn,
.mini-radio__play {
  all: unset;
  cursor: pointer;
  border-radius: var(--space-sm);
  transition: background-color 0.2s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  white-space: nowrap;
}

.controls .btn {
  min-width: 48px;
  padding: var(--space-md) var(--space-lg);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--color-border);
  border-radius: var(--space-md);
  color: var(--color-text);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.controls .btn:hover:not(:disabled) {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.url-list li .btn {
  height: 40px;
  padding: 0 var(--space-sm);
  font-size: 14px;
  border-radius: var(--space-sm);
  transition: background-color 0.2s;
}

.url-list li .btn-url {
  flex: 1 1 0%;
  min-width: 0;
  padding: 0 var(--space-md);
  display: block;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text);
  background-color: var(--color-surface);
  line-height: 40px;
}

.url-list li .btn-url:focus-visible {
  outline: none;
  border-color: var(--color-border);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-border);
}

.url-list li .btn-delete {
  width: 32px;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-white);
  background-color: var(--color-red);
  transition: background-color 0.2s ease;
}

.url-list li .btn-delete:hover {
  background-color: var(--color-green);
}

.url-list li .btn-delete:focus-visible {
  outline: none;
  background-color: var(--color-red);
  color: var(--color-white);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-red);
}

.mini-radio {
  display: grid;
  grid-template-areas:
      "image title button"
      "image description button";
  grid-template-columns: 64px 128px 64px;
  gap: 0 var(--space-md);
  width: 280px;
  padding: var(--space-sm);
  background-color: var(--color-surface);
  border-radius: var(--space-md);
}

.mini-radio__image {
  grid-area: image;
  width: 64px;
  height: 64px;
  border-radius: var(--space-sm);
}

.mini-radio__title {
  grid-area: title;
  width: 128px;
  margin-top: var(--space-md);
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
}

.mini-radio__description {
  grid-area: description;
  width: 128px;
  margin: 0 0 var(--space-lg) 0;
  font-size: 12px;
  line-height: 1.33;
  opacity: 0.8;
}

.mini-radio__play {
  grid-area: button;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-left: auto;
  padding: 0;
  position: relative;
}

.mini-radio__play:hover {
  background-color: var(--color-bg);
}

.mini-radio__play::before,
.mini-radio__play::after {
  position: absolute;
  background-color: var(--color-border);
  content: '';
}

/* Play state */
.mini-radio__play--play::before {
  width: 0;
  height: 0;
  background-color: transparent;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 14px solid var(--color-border);
}

/* Pause state */
.mini-radio__play--pause::before,
.mini-radio__play--pause::after {
  top: 24px;
  width: 5px;
  height: 16px;
  border: none;
}

.mini-radio__play--pause::before { left: 25px; }
.mini-radio__play--pause::after { right: 25px; }

/* Loading state */
.mini-radio__play--loading { --offset: var(--space-sm); }

button:disabled.mini-radio__play--loading {
  opacity: 1 ;
}

.mini-radio__play--loading::before,
.mini-radio__play--loading::after {
  width: 8px;
  height: 8px;
  animation: spinDot 1s steps(4, end) infinite;
}

.mini-radio__play--loading::after { animation-delay: -0.5s; }

@keyframes spinDot {
  0%   { transform: translate(var(--offset), var(--offset)); }
  25%  { transform: translate(calc(var(--offset) * -1), var(--offset)); }
  50%  { transform: translate(calc(var(--offset) * -1), calc(var(--offset) * -1)); }
  75%  { transform: translate(var(--offset), calc(var(--offset) * -1)); }
  100% { transform: translate(var(--offset), var(--offset)); }
}

.player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  max-width: 300px;
}

.controls {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  border: none;
  margin: 0;
  padding: 0;
}

.badge-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  width: 280px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--space-sm);
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.badge.ok,
.badge.bad,
.badge.loading {
  color: var(--color-black);
}

.badge.ok { background-color: var(--color-green); }
.badge.bad { background-color: var(--color-red); }
.badge.loading { background-color: var(--color-yellow); }

.stream-history {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

#urlInput {
  width: 100%;
  height: 40px;
  padding: var(--space-md);
  font-size: 13px;
  color: var(--color-black);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--space-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#urlInput::placeholder {
  opacity: 0.6;
}

.url-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

.url-list li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--space-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-family: inherit;
  font-size: 14px;
  z-index: 9999;
  max-width: 320px;
  word-wrap: break-word;

  opacity: 0;
  animation: toastFade 3s forwards;
}

.toast.error {
  background: var(--color-red);
  color: white;
}

.toast.success {
  background: var(--color-green);
  color: white;
}

.toast.info {
  background: var(--color-blue);
  color: white;
}

@keyframes toastFade {
  0%   { opacity: 0; transform: translateY(10px); }
  10%  { opacity: 1; transform: translateY(0); }
  90%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

@media (max-width: 600px) {
  .toast {
    right: 10px;
    left: 10px;
    max-width: none;
  }
}

.equalizer {
  display: inline-flex;
  align-items: flex-end;
  gap: 4px;
  height: 1em;
  vertical-align: baseline;
  margin-left: var(--space-sm);
}

.eq-bar {
  width: 4px;
  height: 70%;
  background: var(--color-text);
  border-radius: 2px;
}

/* Animation */
.equalizer.playing .eq-bar {
  animation: equalize 0.8s ease-in-out infinite;
}

.equalizer.playing .eq-bar:nth-child(1) {
  animation-delay: 0s;
}

.equalizer.playing .eq-bar:nth-child(2) {
  animation-delay: 0.2s;
}

.equalizer.playing .eq-bar:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes equalize {
  0%, 100% { height: 40%; }
  50% { height: 90%; }
}