body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f4f8;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
   // max-width: 900px;
    margin: 0 auto;
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}
.canvas-container{ overflow: hidden;}
h1 {
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 15px;
    margin-top: 0;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f9f9fc;
    border-radius: 6px;
    align-items: end;
}

.input-group {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9em;
    color: #555;
}

input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1rem;
}

#generateBtn {
    padding: 10px;
    font-size: 1rem;
    font-weight: bold;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    height: 42px; /* Srovnání s inputy */
}

#generateBtn:hover {
    background-color: #0056b3;
}

#outputContainer {
    margin-top: 20px;
}

.output-block {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 20px;
    background: black;
    color: white;
  

}


.resizer-controls {
    flex: 1;
    min-width: 150px;
    padding-left: 20px;
   
   
}

.resizer-controls label {
    font-weight: bold;
}

.resizer-controls input {
    margin-top: 8px;
    max-width: 150px;
}

.output-block canvas {
 
    height: auto;
    display: block;
    
}



/* --- Základní Dark Mode --- */

:root {
  --background-color: #1a1a1a;
  --element-background: #2c2c2c;
  --text-color: #e0e0e0;
  --text-color-muted: #888888;
  --accent-color: #007bff;
  --border-color: #444444;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 20px;
}

/* --- Typografie --- */
h1, h2, h3, h4, h5, h6 {
  color: #ffffff; /* Mírně bělejší pro důraz */
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  text-decoration: underline;
}

/* --- Formulářové prvky --- */
input, select, textarea, button {
  background-color: var(--element-background);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 10px;
  font-family: inherit;
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

button {
  background-color: var(--accent-color);
  color: #ffffff;
  font-weight: bold;
  cursor: pointer;
  border: none;
}

/* --- Kontejnerové prvky --- */
.card, .container {
  background-color: var(--element-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}