/* Milan – jednoduchý, čistý vzhled */
:root {
  --bg: #f7f5f0;
  --card: #ffffff;
  --ink: #1e1e1e;
  --muted: #6b6b6b;
  --accent: #c2571b;
  --accent-dark: #9c4413;
  --border: #e0dcd3;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

header { text-align: center; margin-bottom: 2rem; }

h1 {
  font-size: 2.75rem;
  margin: 0;
  letter-spacing: -0.02em;
}

.subtitle { color: var(--muted); margin-top: 0.5rem; }

h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }

/* Dropzone */
#dropzone {
  display: block;
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

#dropzone:hover, #dropzone.dragover { border-color: var(--accent); }

#dropzone-hint {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 2.5rem 1rem;
  color: var(--muted);
}

#dropzone-hint strong { color: var(--ink); font-size: 1.1rem; }

#preview, #result-img {
  max-width: 100%;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

/* Tlačítka stylů */
#style-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.style-btn {
  font: inherit;
  padding: 0.55rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}

.style-btn:hover { border-color: var(--accent); }

.style-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Hlavní tlačítko */
#generate-btn {
  font: inherit;
  font-size: 1.1rem;
  width: 100%;
  padding: 0.85rem;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s;
}

#generate-btn:hover:not(:disabled) { background: var(--accent-dark); }
#generate-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Spinner */
#spinner { text-align: center; color: var(--muted); padding: 2rem 0; }

.loader {
  width: 42px;
  height: 42px;
  margin: 0 auto 1rem;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

#error-msg {
  background: #fdecea;
  color: #9c2b1f;
  padding: 0.75rem 1rem;
  border-radius: 8px;
}

/* Akce u výsledku */
#result-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.25rem;
}

#download-link, #again-btn {
  font: inherit;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
}

#download-link {
  background: var(--accent);
  color: #fff;
}

#again-btn {
  background: var(--card);
  border: 1.5px solid var(--border);
  color: var(--ink);
}