/* ============================================================
   Roman Numeral Converter — tool-specific styles on base.css.
   No :root / theme; consumes base tokens only.
   ============================================================ */

.rn-tool { background: var(--bg); transition: background 0.5s; }
.rn-tool .tool-instructions-wrapper { text-align: center; margin-bottom: 24px; }
.rn-tool .tool-section-title {
    font-family: var(--font-head); font-weight: 800;
    font-size: clamp(1.6rem, 4vw, 2.4rem); color: var(--text);
    margin: 0 0 12px; letter-spacing: -0.3px;
}
.rn-tool .text-primary-red { color: var(--accent-2); }
.rn-tool .tool-section-texte {
    color: var(--text-muted); font-size: 0.95rem; line-height: 1.7;
    max-width: 720px; margin: 0 auto;
}

.rn-panel {
    background: var(--panel-bg); border: 1px solid var(--panel-border);
    border-radius: var(--radius); box-shadow: var(--shadow-soft);
    padding: 24px; max-width: 560px; margin: 0 auto;
}

.rn-modes { display: flex; gap: 10px; justify-content: center; margin-bottom: 20px; flex-wrap: wrap; }
.rn-mode {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 999px; color: var(--text); font-size: 0.9rem; font-weight: 600; cursor: pointer;
    transition: var(--transition);
}
.rn-mode input { accent-color: var(--purple); cursor: pointer; }

.rn-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.rn-input {
    width: 100%; box-sizing: border-box; padding: 14px 16px; text-align: center;
    background: var(--card-bg); color: var(--text);
    border: 1.5px solid var(--border-color); border-radius: var(--radius-sm);
    font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; letter-spacing: 0.03em;
}
.rn-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(231,76,60,0.15); }
.rn-hint { font-size: 0.8rem; color: var(--text-muted); margin: 0; text-align: center; }

.rn-result-box {
    background: var(--gradient-result); color: #fff;
    border-radius: var(--radius); padding: 22px; text-align: center;
}
.rn-result-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.9; }
.rn-output {
    font-size: clamp(1.6rem, 5vw, 2.4rem); font-weight: 800; letter-spacing: 0.05em;
    margin: 8px 0 16px; word-break: break-word; min-height: 1.3em; font-family: var(--font-mono);
}
.rn-result-box .spin-btn { margin: 0; }