:root {
    --primary-color: #6F4E37; /* Кофейный коричневый */
    --secondary-color: #A07F5E; /* Светлее коричневый */
    --background-color: #F8F4ED; /* Кремовый */
    --text-color: #333;
    --border-color: #D4C0A7;
    --light-gray: #EEE;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
    max-width: 900px;
    width: 100%;
    display: grid;
    gap: 25px;
    grid-template-columns: 1fr;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .container {
        grid-template-columns: 1fr 1.5fr;
    }
}

h1, h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 25px;
}

h1 {
    font-size: 2.2em;
    grid-column: 1 / -1;
}

h2 {
    font-size: 1.6em;
    margin-top: 0;
}

.section {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--light-gray);
}

.left-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group, .select-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--primary-color);
}

select, input[type="number"], input[type="text"] {
    width: calc(100% - 20px);
    padding: 12px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1em;
    box-sizing: border-box;
    background-color: #fff;
    color: var(--text-color);
}

select:focus, input[type="number"]:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(160, 127, 94, 0.2);
}

.grind-recommendation p {
    background-color: #E0E0E0;
    padding: 15px;
    border-radius: 8px;
    font-style: italic;
    color: var(--text-color);
}

.instructions ul {
    list-style: none;
    padding: 0;
}

.instructions li {
    background-color: #E0E0E0;
    margin-bottom: 10px;
    padding: 12px;
    border-radius: 8px;
    color: var(--text-color);
}

.instructions strong {
    color: var(--primary-color);
}

.fine-tuning .input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.fine-tuning .input-group label {
    flex-basis: 60%;
    margin-bottom: 0;
}

.fine-tuning .input-group input {
    flex-basis: 40%;
    width: auto;
}

button {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
    margin-top: 10px;
    width: 100%;
    box-sizing: border-box;
}

button:hover {
    background-color: var(--secondary-color);
}

.reset-button {
    background-color: #DC3545;
}

.reset-button:hover {
    background-color: #C82333;
}