:root {
    --bg-color: #121212;
    --card-color: #1E1E1E;
    --text-color: #E0E0E0;
    --primary-color: #03DAC6; /* Обновили цвет для v2.0 */
    --border-color: #333;
    --input-bg: #2C2C2C;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}
header {
    text-align: center;
    margin-bottom: 2rem;
}
header h1 {
    color: var(--primary-color);
    margin: 0;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.tool-card {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}
.tool-card h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.2em;
}
.form-group {
    margin-bottom: 1rem;
}
label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9em;
    color: #a0a0a0;
}
input, textarea, button, select {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.2s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}
.result-box {
    margin-top: 1rem;
    min-height: 80px;
    white-space: pre-wrap;
    word-break: break-all;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}
.text-result-box {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    flex-grow: 1; /* Растягиваем блок с результатами */
}
button {
    background-color: var(--primary-color);
    color: var(--bg-color);
    font-weight: bold;
    cursor: pointer;
    border: none;
}
button:hover {
    opacity: 0.9;
}
button:disabled {
    background-color: #555;
    cursor: not-allowed;
}
.description {
    font-size: 0.9em;
    color: #a0a0a0;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}