:root {
  --bg: #f5f8fa;
  --panel: #fff;
  --text: #253342;
  --accent: #007ec6;
  --accent-dark: #005d8a;
  --border: #e5e9ef;
  --btn-bg: #007ec6;
  --btn-tx: #fff;
  --badge-bg: #f0f5fa;
  --badge-tx: #253342;
  --shadow: 0 3px 18px 0 #007ec61a;
  --input-bg: #f9fbfd;
}

[data-theme="dark"] {
  --bg: #151c22;
  --panel: #1d232b;
  --text: #d6e6f6;
  --accent: #1da1f2;
  --accent-dark: #1987ca;
  --border: #293545;
  --btn-bg: #1da1f2;
  --btn-tx: #151c22;
  --badge-bg: #202834;
  --badge-tx: #d6e6f6;
  --shadow: 0 4px 18px 0 #1da1f220;
  --input-bg: #19212a;
}

html,
body {
  padding: 0;
  margin: 0;
  font-family: "Segoe UI", "Roboto", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.25s, color 0.2s;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-bottom: 1.5px solid var(--border);
  padding: 1.1rem 2.3rem;
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: var(--shadow);
  gap: 1rem;
}

#logo-app svg {
  vertical-align: middle;
  margin-right: 0.25em;
  transition: opacity 0.25s;
}

main {
  display: flex;
  gap: 2.2rem;
  justify-content: center;
  align-items: flex-start;
  padding: 2.3rem 1rem 2rem 1rem;
  max-width: 1300px;
  margin: auto;
}

.config-panel,
.preview-panel {
  background: var(--panel);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  padding: 2.2rem 2rem 1.7rem 2rem;
  min-width: 420px;
  max-width: 570px;
  width: 100%;
  border: 1.2px solid var(--border);
  margin-bottom: 1rem;
}

.config-panel h2,
.preview-panel h2 {
  margin-top: 0;
  font-size: 1.35rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.01em;
}

form label {
  display: block;
  margin-bottom: 1.15rem;
  font-size: 1.05rem;
  color: var(--accent-dark);
  font-weight: 500;
}

form input[type="text"],
form input[type="color"],
form input[type="url"],
form select,
form input[list] {
  font-size: 1.07rem;
  width: 100%;
  margin-top: 0.38rem;
  margin-bottom: 0.18rem;
  border: 1.2px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.54rem;
  background: var(--input-bg);
  color: var(--text);
  transition: border 0.15s, background 0.19s;
  box-sizing: border-box;
  outline: none;
}

form input[type="color"] {
  padding: 0.25rem 0.2rem;
  height: 2.25rem;
  min-width: 48px;
  background: transparent;
}

form input:focus,
form select:focus {
  border: 1.5px solid var(--accent);
  background: #fff2;
}

form button[type="submit"],
form button[type="button"] {
  margin-top: 1rem;
  background: var(--btn-bg);
  color: var(--btn-tx);
  border: none;
  padding: 0.67rem 1.7rem;
  border-radius: 0.9rem;
  font-weight: 600;
  font-size: 1.09rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  box-shadow: 0 2px 8px #007ec61a;
  margin-right: 0.45em;
  letter-spacing: 0.01em;
}

form button[type="submit"]:hover,
form button[type="button"]:hover {
  background: var(--accent-dark);
  color: #fff;
}

#badges-list {
  min-height: 80px;
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.badge-block {
  background: var(--badge-bg);
  border-radius: 1rem;
  box-shadow: 0 1px 4px #0002;
  padding: 1.3rem 1.1rem 0.7rem 1.1rem;
  margin-bottom: 0.5rem;
  border: 1.3px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: flex-start;
  min-width: 300px;
  max-width: 530px;
  width: 100%;
  transition: background 0.22s;
}

.badge-img {
  display: block;
  min-height: 28px;
  margin-bottom: 0.5rem;
  background: none;
}

.badge-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.32rem;
  flex-wrap: wrap;
}

.badge-actions button {
  background: var(--btn-bg);
  color: var(--btn-tx);
  border: none;
  padding: 0.36rem 1.19rem;
  border-radius: 0.6rem;
  font-size: 1.01rem;
  cursor: pointer;
  opacity: 0.94;
  font-weight: 500;
  transition: background 0.18s, opacity 0.15s;
  margin-bottom: 0.2em;
}
.badge-actions button:hover {
  opacity: 1;
  background: var(--accent-dark);
}

.badge-actions button[data-action="edit"] {
  background: #f6b859;
  color: #253342;
}
.badge-actions button[data-action="edit"]:hover {
  background: #e8a010;
  color: #fff;
}
.badge-actions button[data-action="delete"] {
  background: #e84d4d;
  color: #fff;
}
.badge-actions button[data-action="delete"]:hover {
  background: #c62828;
  color: #fff;
}

.badge-code {
  font-size: 1.01rem;
  background: var(--panel);
  padding: 0.28rem 0.68rem;
  border-radius: 0.43rem;
  border: 1.2px solid var(--border);
  font-family: "JetBrains Mono", "Menlo", monospace;
  margin-top: 0.22rem;
  user-select: all;
  word-break: break-all;
  color: var(--badge-tx);
  transition: background 0.22s, color 0.17s;
}

footer {
  margin-top: 3.2rem;
  text-align: center;
  color: #90a4b4;
  font-size: 1rem;
  padding: 1.35rem 0 0.7rem 0;
  letter-spacing: 0.01em;
}

@media (max-width: 1200px) {
  .config-panel,
  .preview-panel {
    min-width: 320px;
    max-width: 100%;
  }
  .badge-block {
    min-width: 220px;
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  main {
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
  }
  .config-panel,
  .preview-panel {
    max-width: 100%;
    min-width: 220px;
    width: 100%;
  }
  .badge-block {
    max-width: 100%;
    min-width: 150px;
    width: 100%;
  }
}