/* ───────────────────────────────────────────────────────────────
   BidEasy · Direction A "정밀 계기 (Precision Instrument)"
   Design tokens + base components · light + dark
   Theme switched via [data-theme="dark"] on the frame root.
   ─────────────────────────────────────────────────────────────── */

:root,
[data-theme="light"] {
  --canvas: #F6F8FB;
  --surface: #FFFFFF;
  --sunken: #F2F5F9;
  --ink: #11151C;
  --ink-2: #2A313C;
  --muted: #5A6472;
  --faint: #8B95A1;
  --line: #E6E9EE;
  --line-2: #D7DCE3;
  --accent: #2B50E0;
  --accent-press: #1E3DB0;
  --accent-soft: #EDF1FE;
  --on-accent: #FFFFFF;
  --safe: #0E9F6E;
  --safe-soft: #E7F6EF;
  --warn: #B7791F;
  --warn-soft: #FAF1DF;
  --danger: #E5484D;
  --danger-soft: #FDECEC;
  --grid-line: rgba(17,21,28,0.055);
  --shadow-sm: 0 1px 2px rgba(17,21,28,.05), 0 1px 3px rgba(17,21,28,.04);
  --shadow-md: 0 8px 24px rgba(17,21,28,.08);
  --shadow-lg: 0 24px 60px rgba(17,21,28,.12);
}

[data-theme="dark"] {
  --canvas: #0E1117;
  --surface: #161A21;
  --sunken: #1B202A;
  --ink: #EAEEF4;
  --ink-2: #C7CED8;
  --muted: #8A93A2;
  --faint: #69727F;
  --line: #262C36;
  --line-2: #323A45;
  --accent: #6E8BFF;
  --accent-press: #8AA1FF;
  --accent-soft: rgba(110,139,255,0.14);
  --on-accent: #08101F;
  --safe: #34E29B;
  --safe-soft: rgba(52,226,155,0.13);
  --warn: #E8B65A;
  --warn-soft: rgba(232,182,90,0.14);
  --danger: #FF6168;
  --danger-soft: rgba(255,97,104,0.14);
  --grid-line: rgba(255,255,255,0.045);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 10px 30px rgba(0,0,0,.45);
  --shadow-lg: 0 30px 70px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }

.bd {
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.bd ::selection { background: var(--accent-soft); }

/* ── Typography helpers ─────────────────────────────────────── */
.micro {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--accent); font-weight: 600; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 700; font-size: 15px;
  border-radius: 11px; border: 1px solid transparent; cursor: pointer;
  padding: 12px 20px; white-space: nowrap; text-decoration: none;
  transition: background .14s, border-color .14s, color .14s, transform .06s;
}
.btn:active { transform: translateY(0.5px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-press); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--faint); }
.btn-quiet { background: transparent; color: var(--muted); }
.btn-quiet:hover { color: var(--ink); background: var(--sunken); }
.btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 9px; }
.btn-lg { padding: 15px 26px; font-size: 16px; border-radius: 13px; }
.btn-block { width: 100%; }

/* ── Chips / badges ─────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 700; padding: 4px 9px; border-radius: 7px;
  white-space: nowrap;
}
.chip-accent { background: var(--accent-soft); color: var(--accent); }
.chip-safe { background: var(--safe-soft); color: var(--safe); }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-danger { background: var(--danger-soft); color: var(--danger); }
.chip-neutral { background: var(--sunken); color: var(--muted); }
.chip-outline { border: 1px solid var(--line-2); color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ── Cards / panels ─────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}
.panel { background: var(--sunken); border-radius: 12px; }
.hr { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ── Forms ──────────────────────────────────────────────────── */
.field-label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 7px; }
.input {
  width: 100%; padding: 12px 14px; font-size: 16px; font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-2); border-radius: 10px;
  transition: border-color .14s, box-shadow .14s;
}
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input::placeholder { color: var(--faint); font-family: var(--font-sans); }

.seg { display: flex; gap: 5px; background: var(--sunken); padding: 4px; border-radius: 11px; }
.seg button {
  flex: 1; padding: 9px; border: none; background: transparent; border-radius: 8px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600; color: var(--muted); cursor: pointer;
  transition: background .14s, color .14s, box-shadow .14s;
}
.seg button.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

/* range slider */
.slider { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: var(--line-2); outline: none; }
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--accent); cursor: pointer; box-shadow: var(--shadow-sm);
  transition: border-color .14s;
}
.slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--surface); border: 3px solid var(--accent); cursor: pointer; }

/* ── Data rows ──────────────────────────────────────────────── */
.drow { display: flex; align-items: baseline; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--line); }
.drow:first-child { border-top: none; }
.drow .k { font-size: 13.5px; color: var(--muted); white-space: nowrap; }
.drow .v { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 500; color: var(--ink); white-space: nowrap; }

/* ── Hairline grid backdrop (for "instrument" panels) ───────── */
.grid-bg {
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ── Product top nav ────────────────────────────────────────── */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topnav-in { max-width: 1180px; margin: 0 auto; padding: 13px 28px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 18px; letter-spacing: -0.4px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); display: grid; place-items: center; }
.brand-mark::after { content: ''; width: 9px; height: 9px; border-radius: 2px; background: var(--on-accent); }
.navlinks { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.navlink { font-size: 14px; font-weight: 600; color: var(--muted); text-decoration: none; padding: 7px 12px; border-radius: 8px; cursor: pointer; transition: color .14s, background .14s; }
.navlink:hover { color: var(--ink); background: var(--sunken); }
.navlink.active { color: var(--accent); background: var(--accent-soft); }

/* ── 계정 아바타 + 드롭다운 ("내 영역") ── */
.navmenu { position: relative; display: inline-flex; }
.navavatar {
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; color: var(--muted);
  background: var(--sunken); border: 1px solid var(--line-2);
  transition: color .14s, background .14s, border-color .14s;
}
.navavatar:hover { color: var(--ink); border-color: var(--accent); }
.navavatar[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.navmenu-pop {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  min-width: 170px; padding: 6px; display: none; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-md);
}
.navmenu-pop.open { display: flex; }
.navmenu-item {
  font-size: 14px; font-weight: 600; color: var(--ink); text-align: left;
  text-decoration: none; padding: 9px 12px; border-radius: 8px; cursor: pointer;
  background: none; border: 0; width: 100%; transition: background .12s, color .12s;
}
.navmenu-item:hover { background: var(--sunken); }
.navmenu-danger { color: var(--danger); }
.navmenu-danger:hover { background: var(--danger-soft); }

/* ── Skip-to-content link (a11y) — 평소엔 화면 밖에 숨김, 키보드 포커스 시에만 노출 ── */
.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 1000;
  padding: 9px 16px; border-radius: 0 0 10px 10px;
  background: var(--accent); color: var(--on-accent);
  font-size: 13px; font-weight: 700; text-decoration: none;
  transition: top .16s;
}
.skip-link:focus { top: 0; outline: none; box-shadow: var(--shadow-md); }

/* scrollbars hidden inside frames */
.bd-scroll::-webkit-scrollbar { width: 10px; height: 10px; }
.bd-scroll::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; border: 3px solid transparent; background-clip: content-box; }
.bd-scroll::-webkit-scrollbar-track { background: transparent; }

/* ── Skeleton shimmer (loading state) ── */
@keyframes bd-shimmer { 0% { background-position: -240px 0; } 100% { background-position: 240px 0; } }
.skel { background: linear-gradient(90deg, var(--sunken) 25%, var(--line) 37%, var(--sunken) 63%); background-size: 480px 100%; animation: bd-shimmer 1.25s linear infinite; border-radius: 6px; }

/* ── Screen transition (transform-only so paused animations never hide it) ── */
@keyframes bd-screen-in { from { transform: translateY(8px); } to { transform: none; } }
.screen-enter { height: 100%; animation: bd-screen-in .26s cubic-bezier(.16,1,.3,1); }

/* ── Toasts ── */
.bd-toaster { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 400; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
@keyframes bd-toast-in { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.bd-toast { display: flex; align-items: center; gap: 9px; background: #11151C; color: #F6F8FB; padding: 11px 17px; border-radius: 12px; font-size: 13.5px; font-weight: 600; box-shadow: 0 12px 34px rgba(0,0,0,.3); animation: bd-toast-in .28s cubic-bezier(.16,1,.3,1); white-space: nowrap; }
.bd-toast .tdot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  .screen-enter, .bd-toast { animation: none; }
}

/* reveal-on-mount used by landing — transform-only so content stays
   visible even if the animation clock is paused (off-screen preview). */
@keyframes bd-rise { from { transform: translateY(14px); } to { transform: none; } }
.rise { animation: bd-rise .6s cubic-bezier(.16,1,.3,1) both; }

@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; }
}

/* ── Responsive layout helpers ─────────────────────────────── */
.lp-x { padding-left: 28px; padding-right: 28px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feat-rev .feat-text { order: 2; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.cols-bid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; align-items: start; }
.cols-dash { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; align-items: start; }
.g2 { display: grid; grid-template-columns: 1fr 1fr; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.h-hero { font-size: clamp(30px, 5.4vw, 52px); }
.h-sec { font-size: clamp(24px, 3.6vw, 33px); }
.auth-grid { display: grid; grid-template-columns: 1.05fr 1fr; }

@media (max-width: 860px) {
  .hero-grid, .feat-grid, .cols-2, .cols-bid, .cols-dash, .g3, .auth-grid { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .hero-grid { gap: 30px; }
  .feat-grid { gap: 28px; }
  .feat-rev .feat-text { order: 0; }
  .sticky-col { position: static !important; top: auto !important; }
}
@media (max-width: 680px) {
  .navlinks { display: none; }
  .topnav-in { padding: 11px 16px; gap: 14px; }
}
@media (max-width: 520px) {
  .lp-x { padding-left: 18px; padding-right: 18px; }
}
@media (max-width: 600px) {
  .g4 { grid-template-columns: 1fr 1fr; }
}

/* ── Support chat widget ───────────────────────────────────── */
.bd-chat-fab { position: fixed; right: 22px; bottom: 22px; z-index: 600; width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: var(--on-accent); border: none; cursor: pointer; box-shadow: var(--shadow-lg); display: grid; place-items: center; transition: transform .12s, background .14s; }
.bd-chat-fab:hover { background: var(--accent-press); transform: translateY(-2px); }
.bd-chat-panel { position: fixed; right: 22px; bottom: 88px; z-index: 600; width: min(380px, calc(100vw - 32px)); height: min(560px, calc(100vh - 132px)); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-lg); display: none; flex-direction: column; overflow: hidden; }
.bd-chat-panel.open { display: flex; animation: bd-toast-in .22s cubic-bezier(.16,1,.3,1); }
.bd-chat-head { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.bd-chat-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; background: var(--canvas); }
.bd-chat-msg { max-width: 84%; padding: 10px 13px; border-radius: 13px; font-size: 14px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.bd-chat-msg.u { align-self: flex-end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 4px; }
.bd-chat-msg.a { align-self: flex-start; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.bd-chat-foot { padding: 11px; border-top: 1px solid var(--line); display: flex; gap: 8px; align-items: flex-end; flex-shrink: 0; }
.bd-chat-input { flex: 1; resize: none; border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 12px; font-family: var(--font-sans); font-size: 14px; color: var(--ink); background: var(--surface); max-height: 92px; outline: none; line-height: 1.4; }
.bd-chat-input:focus { border-color: var(--accent); }
.bd-chat-typing { align-self: flex-start; color: var(--faint); font-size: 13px; padding: 4px 2px; }
@media (max-width: 520px) { .bd-chat-panel { right: 12px; left: 12px; width: auto; bottom: 82px; } .bd-chat-fab { right: 16px; bottom: 16px; } }

/* ── Scroll reveal (classes added by JS only — absent ⇒ visible) ─ */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1); will-change: opacity, transform; }
.rv-in { opacity: 1; transform: none; }
.bars-arm .bar { transform: scaleY(0); transform-origin: bottom; }
.bars-go .bar { transform: none; transition: transform .7s cubic-bezier(.16,1,.3,1); }
@media (prefers-reduced-motion: reduce) {
  .rv, .rv-in { opacity: 1 !important; transform: none !important; transition: none; }
  .bars-arm .bar { transform: none; }
}