* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #101010;
    color: #f4ead7;
    font-family: Georgia, serif;
}

.site-header {
    background: radial-gradient(circle at top left, #433018, #17110c 55%, #0b0907);
    border-bottom: 1px solid #7d5a2a;
    padding: 32px 20px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.site-header h1 {
    margin: 0 0 8px;
    font-size: 42px;
    color: #f7d88a;
    letter-spacing: 1px;
}

.site-header p {
    margin: 0;
    color: #e6cfa3;
    font-size: 18px;
}

.page-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 20px 50px;
}

.intro-card,
.panel {
    background: #18130f;
    border: 1px solid #6f552d;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.35);
    border-radius: 14px;
}

.intro-card {
    padding: 22px 24px;
    margin-bottom: 24px;
}

.intro-card h2,
.panel h2 {
    margin-top: 0;
    color: #f2d58a;
}

.intro-card p {
    margin-bottom: 0;
    color: #decba5;
    line-height: 1.6;
}

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.panel {
    padding: 22px;
}

.form-row {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #f2d58a;
    font-weight: bold;
}

.field-note {
    margin: 8px 0 0;
    color: #b9a98d;
    font-size: 14px;
    line-height: 1.5;
}

select,
textarea {
    width: 100%;
    background: #0e0c0a;
    color: #f4ead7;
    border: 1px solid #7d5a2a;
    border-radius: 10px;
    padding: 12px;
    font-family: Consolas, monospace;
    font-size: 15px;
}

select {
    font-family: Georgia, serif;
}

textarea {
    min-height: 420px;
    resize: vertical;
}

#outputCode {
    min-height: 420px;
}

.button-row,
.output-header {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.primary-btn,
.secondary-btn {
    border: 0;
    border-radius: 10px;
    padding: 11px 16px;
    cursor: pointer;
    font-weight: bold;
}

.primary-btn {
    background: #d0a85a;
    color: #17110c;
}

.primary-btn:hover {
    background: #f0c66d;
}

.secondary-btn {
    background: #2b241b;
    color: #f2d58a;
    border: 1px solid #7d5a2a;
}

.secondary-btn:hover {
    background: #3a2e20;
}

.preview-panel {
    margin-top: 24px;
}

.preview-area {
    background: #0f0f0f;
    border: 1px solid #3a3024;
    border-radius: 10px;
    padding: 24px;
    min-height: 180px;
    color: #f4ead7;
    overflow-x: auto;
}

.preview-area p {
    max-width: 760px;
}

.small-note {
    color: #b9a98d;
    font-size: 14px;
}

.error-text {
    color: #ff9b8f;
    font-weight: bold;
}

.site-footer {
    text-align: center;
    padding: 22px;
    color: #9f927a;
    border-top: 1px solid #2f271d;
}

@media (max-width: 850px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }

    .site-header h1 {
        font-size: 32px;
    }

    .button-row,
    .output-header {
        flex-direction: column;
        align-items: stretch;
    }
}