:root {
    --fluwa-primary: #C8702A;
    --fluwa-primary-hover: #A85A1E;
    --fluwa-secondary: #2C1810;
    --fluwa-bg: #FDF8F3;
    --fluwa-card-bg: #FFFFFF;
    --fluwa-text: #2C1810;
    --fluwa-text-light: #6B5744;
    --fluwa-border: #E8DDD3;
    --fluwa-accent: #D4A76A;
    --fluwa-success: #4A7C59;
    --fluwa-radius: 12px;
    --fluwa-shadow: 0 2px 12px rgba(44, 24, 16, 0.08);
    --fluwa-shadow-hover: 0 6px 24px rgba(44, 24, 16, 0.14);
}
#fluwa-app { font-family: inherit; color: var(--fluwa-text); max-width: 720px; margin: 0 auto; padding: 1rem; }
#fluwa-app * { box-sizing: border-box; }
.fluwa-container { background: var(--fluwa-bg); border-radius: var(--fluwa-radius); overflow: hidden; }

.fluwa-welcome { text-align: center; padding: 3rem 1.5rem; }
.fluwa-logo-icon { font-size: 3.5rem; display: block; margin-bottom: 0.5rem; animation: fluwa-float 3s ease-in-out infinite; }
@keyframes fluwa-float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.fluwa-title { font-size: 2.2rem; font-weight: 800; color: var(--fluwa-secondary); margin: 0 0 0.25rem; letter-spacing: -0.02em; }
.fluwa-subtitle { font-size: 1.05rem; color: var(--fluwa-text-light); margin: 0 0 0.5rem; line-height: 1.5; }
.fluwa-meaning { font-size: 0.85rem; color: var(--fluwa-accent); font-style: italic; margin: 0 0 2rem; }

.fluwa-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; padding: 0.9rem 2rem; border: none; border-radius: 50px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; font-family: inherit; min-height: 48px; }
.fluwa-btn-primary { background: var(--fluwa-primary); color: #fff; }
.fluwa-btn-primary:hover:not(:disabled) { background: var(--fluwa-primary-hover); transform: translateY(-1px); box-shadow: var(--fluwa-shadow-hover); }
.fluwa-btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.fluwa-btn-secondary { background: transparent; color: var(--fluwa-text-light); border: 1.5px solid var(--fluwa-border); }
.fluwa-btn-secondary:hover { border-color: var(--fluwa-primary); color: var(--fluwa-primary); }
.fluwa-btn-skip { background: transparent; color: var(--fluwa-text-light); border: none; font-size: 0.9rem; text-decoration: underline; padding: 0.5rem 1rem; }

.fluwa-progress { height: 4px; background: var(--fluwa-border); border-radius: 2px; margin: 0 1.5rem 0.5rem; overflow: hidden; }
.fluwa-progress-bar { height: 100%; background: var(--fluwa-primary); border-radius: 2px; transition: width 0.4s ease; width: 0%; }
.fluwa-step-counter { text-align: center; font-size: 0.8rem; color: var(--fluwa-text-light); margin-bottom: 1rem; padding: 0 1.5rem; }

.fluwa-quiz { padding: 1.5rem 0; }
.fluwa-step { padding: 0 1.5rem; animation: fluwa-fadeIn 0.3s ease; }
@keyframes fluwa-fadeIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }
.fluwa-step-icon { font-size: 2rem; display: block; text-align: center; margin-bottom: 0.5rem; }
.fluwa-step-label { font-size: 1.2rem; font-weight: 700; text-align: center; margin: 0 0 0.3rem; color: var(--fluwa-secondary); }
.fluwa-step-hint { font-size: 0.85rem; color: var(--fluwa-text-light); text-align: center; margin: 0 0 1.2rem; }

.fluwa-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin-bottom: 1.5rem; }
.fluwa-option { padding: 0.7rem 0.5rem; border: 2px solid var(--fluwa-border); border-radius: var(--fluwa-radius); background: var(--fluwa-card-bg); text-align: center; font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.15s ease; font-family: inherit; color: var(--fluwa-text); min-height: 44px; display: flex; align-items: center; justify-content: center; user-select: none; line-height: 1.3; }
.fluwa-option:hover { border-color: var(--fluwa-accent); background: #FFF9F2; }
.fluwa-option.selected { border-color: var(--fluwa-primary); background: #FFF0E0; color: var(--fluwa-primary); font-weight: 700; box-shadow: 0 0 0 1px var(--fluwa-primary); }

.fluwa-nav { display: flex; justify-content: space-between; align-items: center; padding: 0 1.5rem 1.5rem; gap: 0.75rem; }
.fluwa-nav .fluwa-btn-primary, .fluwa-nav .fluwa-btn-secondary { flex: 1; }

.fluwa-loading { text-align: center; padding: 4rem 1.5rem; }
.fluwa-spinner { width: 48px; height: 48px; border: 4px solid var(--fluwa-border); border-top-color: var(--fluwa-primary); border-radius: 50%; animation: fluwa-spin 0.8s linear infinite; margin: 0 auto 1rem; }
@keyframes fluwa-spin { to{transform:rotate(360deg)} }
.fluwa-loading p { color: var(--fluwa-text-light); font-size: 0.95rem; }

.fluwa-results { padding: 1.5rem; }
.fluwa-results-title { font-size: 1.25rem; font-weight: 700; text-align: center; margin: 0 0 1.5rem; color: var(--fluwa-secondary); }
.fluwa-results-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; margin-bottom: 2rem; }

.fluwa-book-card { display: flex; gap: 1rem; background: var(--fluwa-card-bg); border-radius: var(--fluwa-radius); padding: 1rem; box-shadow: var(--fluwa-shadow); transition: box-shadow 0.2s ease; animation: fluwa-fadeIn 0.4s ease both; }
.fluwa-book-card:hover { box-shadow: var(--fluwa-shadow-hover); }
.fluwa-book-card:nth-child(1){animation-delay:0s} .fluwa-book-card:nth-child(2){animation-delay:.1s} .fluwa-book-card:nth-child(3){animation-delay:.2s} .fluwa-book-card:nth-child(4){animation-delay:.3s} .fluwa-book-card:nth-child(5){animation-delay:.4s}

.fluwa-book-cover { width: 90px; min-width: 90px; height: 130px; object-fit: cover; border-radius: 6px; background: var(--fluwa-border); }
.fluwa-book-info { flex: 1; min-width: 0; }
.fluwa-book-title { font-size: 1rem; font-weight: 700; margin: 0 0 0.15rem; color: var(--fluwa-secondary); line-height: 1.3; }
.fluwa-book-author { font-size: 0.85rem; color: var(--fluwa-text-light); margin: 0 0 0.3rem; }
.fluwa-book-origin { display: inline-block; font-size: 0.7rem; background: #F0E8DD; color: var(--fluwa-text-light); padding: 0.15rem 0.5rem; border-radius: 20px; margin-bottom: 0.4rem; font-weight: 600; }
.fluwa-book-why { font-size: 0.82rem; color: var(--fluwa-text-light); line-height: 1.45; margin: 0 0 0.6rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.fluwa-book-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.fluwa-book-actions a { font-size: 0.78rem; padding: 0.4rem 0.8rem; border-radius: 20px; text-decoration: none; font-weight: 600; transition: all 0.15s; min-height: 36px; display: inline-flex; align-items: center; }
.fluwa-btn-buy { background: var(--fluwa-primary); color: #fff !important; }
.fluwa-btn-buy:hover { background: var(--fluwa-primary-hover); }
.fluwa-btn-review { background: transparent; border: 1.5px solid var(--fluwa-border); color: var(--fluwa-text-light) !important; }
.fluwa-btn-review:hover { border-color: var(--fluwa-primary); color: var(--fluwa-primary) !important; }
.fluwa-match-badge { font-size: 0.7rem; color: var(--fluwa-success); font-weight: 700; margin-bottom: 0.3rem; display: block; }
.fluwa-results > .fluwa-btn { display: block; width: 100%; max-width: 280px; margin: 0 auto; }

@media (min-width: 480px) { .fluwa-options { grid-template-columns: 1fr 1fr 1fr; } }
@media (min-width: 640px) { #fluwa-app { padding: 2rem; } .fluwa-welcome { padding: 4rem 2rem; } .fluwa-book-cover { width: 110px; min-width: 110px; height: 160px; } }