styles.css

/* SPDX-License-Identifier: Apache-2.0
   Copyright 2026 CLSOFTLAB (씨엘소프트랩), Dr. Lee Il-guk (이일국)
   styles.css — 모바일 우선 반응형, prefers-color-scheme 라이트/다크 */

:root {
  --bg: #f7f7fb; --surface: #ffffff; --surface-2: #f0f0f6;
  --text: #1a1a22; --muted: #6b6b7a; --border: #e2e2ec;
  --brand: #e0577a; --brand-2: #7a5cff; --ok: #1b9e6b; --err: #d9455f;
  --shadow: 0 2px 12px rgba(20,20,40,.08); --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14141c; --surface: #1e1e29; --surface-2: #262633;
    --text: #ececf2; --muted: #a0a0b2; --border: #33333f;
    --brand: #ff7096; --brand-2: #9d84ff; --shadow: 0 2px 16px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); margin: .4em 0; }
h2 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
img, svg { max-width: 100%; display: block; }

/* topbar */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: .5rem;
  padding: .7rem clamp(1rem, 4vw, 2rem); background: var(--surface);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
}
.brand { font-weight: 800; font-size: 1.15rem; }
.mainnav { display: flex; flex-wrap: wrap; gap: .3rem; }
.mainnav a { padding: .4rem .7rem; border-radius: 999px; font-size: .92rem; color: var(--muted); }
.mainnav a.active, .mainnav a:hover { color: var(--text); background: var(--surface-2); }
.count { background: var(--brand); color: #fff; border-radius: 999px; padding: 0 .4em; font-size: .72rem; }
.count:empty { display: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 1rem clamp(1rem, 4vw, 2rem) 3rem; }

/* hero */
.hero-banner {
  background: linear-gradient(120deg, var(--brand), var(--brand-2)); color: #fff;
  border-radius: var(--radius); padding: clamp(1.4rem, 5vw, 2.6rem); margin-bottom: 1.2rem;
}
.hero-banner h1 { margin-top: 0; color: #fff; }
.hero-banner p { opacity: .95; max-width: 46ch; }
.theme-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.chip {
  background: rgba(255,255,255,.2); color: #fff; padding: .4rem .8rem;
  border-radius: 999px; font-size: .9rem; border: 1px solid rgba(255,255,255,.35);
}
.chip.active { background: #fff; color: var(--brand); font-weight: 700; }
.chip.clear { background: transparent; }

/* filters */
.filters {
  display: grid; grid-template-columns: 1fr; gap: .6rem; margin-bottom: 1rem;
  background: var(--surface); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow);
}
.filters input, .filters select {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--border);
  border-radius: 10px; background: var(--surface-2); color: var(--text); font: inherit;
}
.filters .range { font-size: .85rem; color: var(--muted); display: flex; flex-direction: column; gap: .2rem; }
@media (min-width: 640px) { .filters { grid-template-columns: repeat(2, 1fr); } .filters input[name=q] { grid-column: 1 / -1; } }
@media (min-width: 960px) { .filters { grid-template-columns: 2fr 1fr 1fr 1fr; } .filters input[name=q] { grid-column: auto; } .filters .range, .filters select[name=sort] { grid-column: span 2; } }

.result-count { color: var(--muted); font-size: .9rem; margin: .3rem 0 .8rem; }

/* grid + cards */
.grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
@media (min-width: 560px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.card {
  position: relative; background: var(--surface); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: transform .15s ease; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); }
.card-media svg { width: 100%; height: auto; aspect-ratio: 4/3; }
.card-body { padding: .8rem 1rem 1rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.card h3 { margin: .1rem 0; font-size: 1.05rem; }
.badge { background: var(--surface-2); color: var(--brand-2); font-size: .74rem; font-weight: 700; padding: .2rem .55rem; border-radius: 999px; }
.badge.sm { font-size: .68rem; }
.rating { display: inline-flex; align-items: center; gap: .3rem; font-size: .82rem; color: var(--muted); }
.stars { width: 74px; height: 15px; color: #f5a623; }
.loc { color: var(--muted); font-size: .88rem; margin: 0; }
.amen { display: flex; flex-wrap: wrap; gap: .3rem; margin: .2rem 0; }
.amen span { background: var(--surface-2); font-size: .72rem; padding: .15rem .5rem; border-radius: 6px; color: var(--muted); }
.price { margin: .2rem 0 0; } .price b { color: var(--brand); font-size: 1.05rem; } .price small { color: var(--muted); }
.wish {
  position: absolute; top: .6rem; right: .6rem; width: 38px; height: 38px; border: none;
  border-radius: 50%; background: rgba(0,0,0,.35); color: #fff; font-size: 1.2rem; cursor: pointer;
}
.wish.on { color: var(--brand); background: #fff; }
.wish.inline { position: static; width: auto; height: auto; border-radius: 999px; padding: .35rem .8rem; font-size: .85rem; background: var(--surface-2); color: var(--muted); }
.wish.inline.on { color: var(--brand); background: var(--surface-2); }

.back { display: inline-block; margin: .3rem 0 1rem; color: var(--muted); font-size: .9rem; }
.empty { text-align: center; color: var(--muted); padding: 2rem 1rem; }
.muted { color: var(--muted); }

/* detail */
.detail { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 860px) { .detail { grid-template-columns: 1fr 1fr; } }
.gallery-main svg { width: 100%; border-radius: var(--radius); aspect-ratio: 4/3; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-top: .5rem; }
.thumb { border: 2px solid transparent; border-radius: 10px; overflow: hidden; padding: 0; cursor: pointer; background: none; }
.thumb.on { border-color: var(--brand); }
.tagline { font-size: 1.05rem; color: var(--brand-2); font-weight: 600; }
.amenity-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: .3rem; font-size: .9rem; }
.rooms { display: flex; flex-direction: column; gap: .6rem; }
.room, .bk { display: flex; justify-content: space-between; align-items: center; gap: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: .8rem 1rem; }
.room-right { display: flex; flex-direction: column; align-items: flex-end; gap: .4rem; }

.btn { display: inline-block; background: var(--surface-2); color: var(--text); border: 1px solid var(--border); padding: .5rem .9rem; border-radius: 10px; font: inherit; cursor: pointer; text-align: center; }
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); width: 100%; font-weight: 700; padding: .8rem; }
.btn.primary:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn:hover:not(:disabled) { filter: brightness(1.05); }

/* location + reviews */
.loc-schematic, .reviews, .curation { margin-top: 2rem; }
.schematic svg { border-radius: var(--radius); border: 1px solid var(--border); color: var(--text); }
.landmarks { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .8rem; color: var(--muted); font-size: .9rem; }
.review { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: .8rem 1rem; margin-bottom: .6rem; }
.rv-head { display: flex; align-items: center; gap: .5rem; font-size: .88rem; }
.rv-date { color: var(--muted); font-size: .8rem; margin-left: auto; }

/* booking */
.booking { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 860px) { .booking { grid-template-columns: 1.4fr 1fr; align-items: start; } .summary { position: sticky; top: 5rem; } }
.steps { display: flex; gap: .5rem; margin: .6rem 0 1rem; flex-wrap: wrap; }
.steps span { font-size: .8rem; color: var(--muted); background: var(--surface-2); padding: .3rem .7rem; border-radius: 999px; }
.steps span.on { color: #fff; background: var(--brand-2); }
fieldset { border: 1px solid var(--border); border-radius: 12px; margin: 0 0 1rem; padding: 1rem; background: var(--surface); }
legend { font-weight: 700; padding: 0 .4rem; }
fieldset label { display: block; margin-bottom: .6rem; font-size: .9rem; }
fieldset input, fieldset select { display: block; width: 100%; margin-top: .25rem; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); color: var(--text); font: inherit; }
.ok { color: var(--ok); font-size: .88rem; } .err { color: var(--err); font-size: .88rem; }
.demo-note { background: rgba(217,69,95,.12); color: var(--err); padding: .5rem .7rem; border-radius: 8px; font-size: .82rem; }
.summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.summary svg { border-radius: 10px; margin: .5rem 0; }
.quote { width: 100%; border-collapse: collapse; font-size: .9rem; }
.quote td { padding: .35rem 0; border-bottom: 1px dashed var(--border); }
.quote td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.quote tr.total td { font-weight: 800; font-size: 1.05rem; color: var(--brand); border-bottom: none; padding-top: .6rem; }
.mini { font-size: .76rem; color: var(--muted); margin-top: .5rem; }

.booking-list { display: flex; flex-direction: column; gap: .7rem; }
.bk.cancelled { opacity: .6; }
.sub { color: var(--muted); }
.more { font-size: .85rem; color: var(--brand); font-weight: 600; }

/* footer + toast */
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem clamp(1rem, 4vw, 2rem); color: var(--muted); font-size: .82rem; text-align: center; }
.site-footer b { color: var(--err); }
#toast {
  position: fixed; left: 50%; bottom: 1.4rem; transform: translate(-50%, 2rem);
  background: var(--text); color: var(--bg); padding: .7rem 1.2rem; border-radius: 999px;
  font-size: .9rem; opacity: 0; pointer-events: none; transition: all .25s ease; z-index: 50;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* AI 도우미 (AI-KIT) */
.ai-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; margin: 1rem 0; box-shadow: var(--shadow); }
.ai-panel h2 { margin-top: 0; }
.ai-form { display: flex; flex-wrap: wrap; gap: .6rem; margin: .6rem 0; }
.ai-form input, .ai-form select { flex: 1 1 12rem; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); color: var(--text); font: inherit; }
.ai-form button { flex: 0 0 auto; }
.theme-quick { display: flex; flex-wrap: wrap; gap: .5rem; margin: .4rem 0 .2rem; }
.ai-output { white-space: pre-wrap; word-break: break-word; background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: .9rem 1rem; margin-top: .8rem; font-size: .92rem; line-height: 1.6; min-height: 2.5rem; }
.ai-output.streaming::after { content: "▍"; color: var(--brand); animation: ai-blink 1s steps(2) infinite; }
@keyframes ai-blink { 50% { opacity: 0; } }
.ai-note { font-size: .8rem; color: var(--muted); margin-top: .8rem; }
.ai-note code { background: var(--surface-2); padding: .1rem .35rem; border-radius: 6px; font-size: .92em; }
.ai-course { margin-top: 1.5rem; }