:root {
    --surface: #fffaf7;
    --surface-strong: #ffffff;
    --ink: #1f2329;
    --muted: #667085;
    --line: #ebd7d2;
    --brand: #e13331;
    --brand-deep: #b41f24;
    --brand-soft: rgba(225, 51, 49, 0.12);
    --shadow: 0 18px 45px rgba(124, 71, 60, 0.12);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 999px;
    --font-ui: "SUIT Variable", "Pretendard Variable", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(225, 51, 49, 0.12), transparent 32%),
        linear-gradient(180deg, #fff9f3 0%, #fffdf9 48%, #fff8f6 100%);
    color: var(--ink);
    font-family: var(--font-ui);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 18px 24px;
    backdrop-filter: blur(18px);
    background: rgba(255, 250, 247, 0.82);
    border-bottom: 1px solid rgba(235, 215, 210, 0.85);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 1100px;
    margin: 0 auto;
}

.brand-mark {
    width: 48px;
    height: 48px;
    display: block;
    border-radius: 14px;
    flex-shrink: 0;
    box-shadow: 0 10px 24px rgba(230, 0, 18, 0.18);
}

.hero-mark {
    width: 58px;
    height: 58px;
    display: block;
    border-radius: 18px;
    flex-shrink: 0;
    box-shadow: 0 14px 32px rgba(230, 0, 18, 0.18);
}

.brand-title,
.brand-subtitle,
.hero-greeting,
.hero-description,
.result-meta,
.result-rank {
    margin: 0;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--brand);
}

.brand-subtitle {
    margin-top: 2px;
    color: var(--muted);
}

.shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 24px 148px;
}

.alert-banner,
.hero-card,
.message-bubble {
    border: 1px solid rgba(235, 215, 210, 0.9);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow);
}

.alert-banner {
    margin-bottom: 18px;
    padding: 16px 18px;
    border-radius: 20px;
    color: var(--brand-deep);
}

.hero-card {
    display: flex;
    gap: 18px;
    padding: 26px;
    border-radius: var(--radius-lg);
}

.hero-greeting {
    font-size: 1.45rem;
    font-weight: 800;
}

.hero-description {
    margin-top: 10px;
    color: var(--muted);
    line-height: 1.65;
}

.starter-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.starter-chip,
.filter-chip,
.badge {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(225, 51, 49, 0.24);
    background: white;
    color: var(--brand-deep);
    font: inherit;
}

.starter-chip {
    padding: 12px 16px;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.starter-chip:hover {
    transform: translateY(-1px);
    background: var(--brand-soft);
    border-color: rgba(225, 51, 49, 0.45);
}

.chat-log {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 24px;
}

.exchange {
    animation: rise-in 220ms ease;
}

.message-row {
    display: flex;
}

.message-row.user {
    justify-content: flex-end;
}

.message-row.assistant {
    justify-content: flex-start;
    margin-top: 10px;
}

.message-bubble {
    border-radius: 26px;
    padding: 20px 22px;
}

.user-bubble {
    max-width: min(620px, 82%);
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    color: white;
    border: none;
}

.assistant-bubble {
    width: min(920px, 100%);
}

.assistant-summary {
    margin: 0;
    font-size: 1rem;
    line-height: 1.65;
}

.quick-result-list {
    margin: 16px 0 0;
    padding-left: 0;
    list-style: none;
}

.quick-result-item + .quick-result-item {
    margin-top: 10px;
}

.quick-result-name {
    color: var(--brand);
    font-weight: 800;
    text-decoration: none;
}

.quick-result-name:hover {
    text-decoration: underline;
}

.quick-result-meta {
    color: var(--ink);
    line-height: 1.7;
}

.filter-row,
.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.filter-chip,
.badge {
    padding: 7px 11px;
    font-size: 0.88rem;
}

.filter-chip {
    background: #fff6f4;
}

.badge {
    background: #fff;
}

.result-grid {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.result-card {
    padding: 18px;
    border-radius: 22px;
    background: linear-gradient(180deg, #fff 0%, #fffbfa 100%);
    border: 1px solid var(--line);
}

.result-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.result-rank {
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.result-name {
    margin: 4px 0 0;
    font-size: 1.15rem;
}

.result-name-link {
    color: inherit;
    text-decoration: none;
}

.result-name-link:hover {
    color: var(--brand);
}

.result-meta {
    margin-top: 6px;
    color: var(--muted);
}

.price-pill,
.score-pill {
    flex-shrink: 0;
    align-self: flex-start;
    padding: 10px 14px;
    border-radius: 16px;
    background: #fff3f2;
    color: var(--brand);
    font-weight: 800;
}

.metric-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.92rem;
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.result-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(225, 51, 49, 0.24);
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.result-link.primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    border-color: transparent;
    color: white;
}

.result-link.secondary {
    background: #fff6f4;
    color: var(--brand-deep);
}

.result-link:hover {
    border-color: rgba(225, 51, 49, 0.45);
}

.reason-list {
    margin: 16px 0 0;
    padding-left: 18px;
    line-height: 1.7;
}

.review-snippet {
    margin: 16px 0 0;
    padding: 14px 16px;
    border-left: 3px solid rgba(225, 51, 49, 0.45);
    background: #fff8f6;
    color: #5b423f;
}

.warning-text {
    margin: 14px 0 0;
    color: #8b5f0b;
    font-size: 0.93rem;
}

.composer {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    width: min(1080px, calc(100vw - 24px));
    padding: 12px;
    border-radius: 28px;
    border: 1px solid rgba(235, 215, 210, 0.92);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.composer-field {
    flex: 1;
}

.composer-field input {
    width: 100%;
    padding: 16px 18px;
    border: none;
    background: transparent;
    color: var(--ink);
    font: inherit;
    outline: none;
}

.composer-submit {
    width: 58px;
    height: 58px;
    border: none;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
}

.composer.is-loading .composer-submit,
.composer-submit:disabled {
    cursor: wait;
    opacity: 0.75;
}

.composer.is-loading .composer-field input,
.composer-field input:disabled {
    opacity: 0.7;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 720px) {
    .topbar {
        padding: 14px 16px;
    }

    .shell {
        padding: 20px 16px 138px;
    }

    .hero-card {
        flex-direction: column;
        padding: 20px;
    }

    .result-head {
        flex-direction: column;
    }

    .composer {
        width: calc(100vw - 16px);
        bottom: 8px;
        padding: 8px;
    }

    .composer-submit {
        width: 52px;
        height: 52px;
        border-radius: 16px;
    }
}