.mtc-wrap * { box-sizing: border-box; margin: 0; padding: 0; }
.mtc-wrap { font-family: inherit; max-width: 680px; padding: 1.5rem 0; }
.mtc-section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #888780; margin-bottom: 10px; }
.mtc-card { background: #fff; border: 1px solid #e8dede; border-radius: 12px; padding: 1.25rem; margin-bottom: 1rem; }
.mtc-tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mtc-tile-btn { border: 1px solid #e8dede; border-radius: 8px; padding: 14px 10px; cursor: pointer; background: #fff; text-align: left; transition: border-color 0.15s, background 0.15s; width: 100%; }
.mtc-tile-btn:hover { border-color: #eb2027; background: #fff5f5; }
.mtc-tile-btn.mtc-selected { border: 2px solid #eb2027; background: #fde8e9; }
.mtc-tile-btn.mtc-selected .mtc-tile-title { color: #7a0004; }
.mtc-tile-btn.mtc-selected .mtc-tile-sub { color: #a01518; }
.mtc-tile-icon { width: 28px; height: 28px; margin-bottom: 8px; }
.mtc-tile-title { font-size: 13px; font-weight: 600; color: #1a1a1a; line-height: 1.3; }
.mtc-tile-sub { font-size: 11px; color: #888780; margin-top: 3px; line-height: 1.4; }
.mtc-input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mtc-input-group { display: flex; flex-direction: column; gap: 6px; }
.mtc-input-group label { font-size: 13px; color: #5f5e5a; }
.mtc-input-group input, .mtc-input-group select { width: 100%; height: 40px; font-size: 14px; padding: 0 10px; border-radius: 8px; border: 1px solid #e8dede; background: #fff5f5; color: #1a1a1a; outline: none; font-family: inherit; }
.mtc-input-group input:focus, .mtc-input-group select:focus { border-color: #eb2027; }
.mtc-mode-toggle { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.mtc-mode-btn { font-size: 12px; padding: 5px 14px; border-radius: 20px; border: 1px solid #e8dede; background: #fff; color: #5f5e5a; cursor: pointer; font-family: inherit; }
.mtc-mode-btn.mtc-active { background: #fde8e9; border-color: #eb2027; color: #7a0004; font-weight: 600; }
.mtc-calc-btn { width: 100%; padding: 13px; background: #eb2027; color: #fff; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; margin-top: 0.5rem; letter-spacing: 0.02em; transition: background 0.15s; font-family: inherit; }
.mtc-calc-btn:hover { background: #c4181e; }
.mtc-reset-btn { width: 100%; padding: 10px; background: transparent; color: #888780; border: 1px solid #e8dede; border-radius: 8px; font-size: 13px; cursor: pointer; margin-top: 8px; font-family: inherit; }
.mtc-reset-btn:hover { background: #fff5f5; }
.mtc-error-msg { font-size: 12px; color: #eb2027; margin-top: 6px; display: none; }
.mtc-results { display: none; margin-top: 1rem; }
.mtc-results-header { display: flex; align-items: center; gap: 10px; margin-bottom: 1rem; }
.mtc-results-title { font-size: 16px; font-weight: 600; color: #1a1a1a; }
.mtc-metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 1rem; }
.mtc-metric-card { background: #fff5f5; border-radius: 8px; padding: 14px 16px; }
.mtc-metric-label { font-size: 12px; color: #888780; margin-bottom: 4px; }
.mtc-metric-value { font-size: 22px; font-weight: 600; color: #1a1a1a; }
.mtc-metric-unit { font-size: 12px; color: #888780; }
.mtc-breakdown { border: 1px solid #e8dede; border-radius: 8px; overflow: hidden; }
.mtc-breakdown-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; border-bottom: 1px solid #e8dede; font-size: 14px; }
.mtc-breakdown-row:last-child { border-bottom: none; }
.mtc-breakdown-row.mtc-total { background: #1a1a1a; font-weight: 600; }
.mtc-breakdown-row.mtc-total .mtc-breakdown-label { color: #fff; }
.mtc-breakdown-row.mtc-total .mtc-breakdown-val { color: #eb2027; }
.mtc-breakdown-label { color: #5f5e5a; }
.mtc-breakdown-val { color: #1a1a1a; font-weight: 600; }
.mtc-adhesive-banner { background: #fde8e9; border: 1px solid #eb2027; border-radius: 8px; padding: 14px 16px; margin-top: 1rem; }
.mtc-adhesive-title { font-size: 13px; font-weight: 600; color: #7a0004; }
.mtc-adhesive-desc { font-size: 12px; color: #a01518; margin-top: 3px; line-height: 1.5; }
.mtd-calc-placeholder { background: #f8f8f8; border: 1px dashed #ccc; border-radius: 8px; padding: 1rem; margin: 1rem 0; text-align: center; color: #666; }
@media (max-width: 480px) {
	.mtc-tile-grid, .mtc-input-row, .mtc-metric-grid { grid-template-columns: 1fr; }
}