/* ============================================================
   Linkn — URL 단축기 공통 스타일
   테마: 인디고→블루 그라데이션 / 체인 모티프
   prefix: .lk-
   ============================================================ */

:root {
  --lk-indigo: #4f46e5;
  --lk-blue: #2563eb;
  --lk-grad: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%);
  --lk-grad-soft: linear-gradient(135deg, #eef2ff 0%, #eff6ff 100%);
  --lk-ink: #0f172a;
  --lk-muted: #64748b;
  --lk-line: #e5e7eb;
  --lk-surface: #ffffff;
  --lk-shadow: 0 4px 24px rgba(15, 23, 42, .06);
  --lk-shadow-lg: 0 12px 40px rgba(79, 70, 229, .14);
  --lk-radius: 20px;
}

.lk-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}
.lk-wrap--wide { max-width: 920px; }

/* ---------- 히어로 ---------- */
.lk-hero {
  text-align: center;
  margin-bottom: 2rem;
}
.lk-hero__icon {
  width: 68px;
  height: 68px;
  margin: 0 auto .9rem;
  border-radius: 20px;
  background: var(--lk-grad);
  display: grid;
  place-items: center;
  box-shadow: var(--lk-shadow-lg);
}
.lk-hero__icon svg { width: 34px; height: 34px; color: #fff; }
.lk-hero h1 {
  font-weight: 800;
  font-size: 1.9rem;
  letter-spacing: -.02em;
  color: var(--lk-ink);
  margin: 0;
}
.lk-hero p {
  color: var(--lk-muted);
  margin: .35rem 0 0;
  font-size: .98rem;
}

/* ---------- 페이지 헤더(목록/통계) ---------- */
.lk-phead {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
}
.lk-phead__badge {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: var(--lk-grad);
  display: grid; place-items: center;
  flex: none;
  box-shadow: var(--lk-shadow-lg);
}
.lk-phead__badge svg { width: 24px; height: 24px; color: #fff; }
.lk-phead h2 { font-weight: 800; margin: 0; letter-spacing: -.02em; color: var(--lk-ink); font-size: 1.4rem; }
.lk-phead__sub { color: var(--lk-muted); font-size: .86rem; margin: 0; }

/* ---------- 카드 ---------- */
.lk-card {
  background: var(--lk-surface);
  border: 1px solid var(--lk-line);
  border-radius: var(--lk-radius);
  box-shadow: var(--lk-shadow);
}
.lk-card__body { padding: 1.75rem; }
@media (min-width: 768px) { .lk-card__body { padding: 2.25rem; } }

/* ---------- 폼 ---------- */
.lk-field { margin-bottom: 1.15rem; }
.lk-label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--lk-ink);
  margin-bottom: .45rem;
}
.lk-label .lk-opt { color: var(--lk-muted); font-weight: 400; font-size: .82rem; }
.lk-hint { font-size: .78rem; color: var(--lk-muted); margin-top: .4rem; }
.lk-wrap .form-control,
.lk-wrap .form-select {
  border-radius: 12px;
  border: 1.5px solid var(--lk-line);
  padding: .7rem .9rem;
  font-size: .95rem;
  transition: border-color .15s, box-shadow .15s;
}
.lk-wrap .form-control:focus,
.lk-wrap .form-select:focus {
  border-color: var(--lk-indigo);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}
.lk-wrap .form-control-lg { font-size: 1.02rem; padding: .85rem 1rem; }

/* ---------- 버튼 ---------- */
.lk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 700;
  border-radius: 12px;
  padding: .7rem 1.25rem;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s, box-shadow .15s, background .15s, color .15s;
  font-size: .95rem;
  line-height: 1;
}
.lk-btn svg { width: 18px; height: 18px; }
.lk-btn:active { transform: translateY(1px); }
.lk-btn--primary {
  background: var(--lk-grad);
  color: #fff;
  box-shadow: var(--lk-shadow-lg);
}
.lk-btn--primary:hover { color: #fff; filter: brightness(1.05); }
.lk-btn--lg { padding: .95rem 1.4rem; font-size: 1.02rem; width: 100%; }
.lk-btn--ghost {
  background: #fff;
  border-color: var(--lk-line);
  color: var(--lk-ink);
}
.lk-btn--ghost:hover { border-color: var(--lk-indigo); color: var(--lk-indigo); }
.lk-btn--sm { padding: .45rem .8rem; font-size: .83rem; border-radius: 10px; }
.lk-btn--sm svg { width: 15px; height: 15px; }
.lk-btn:disabled, .lk-btn.is-disabled {
  background: #e2e8f0; color: #94a3b8; box-shadow: none; cursor: not-allowed;
}
.lk-btn--danger { background:#fff; border-color:#fecaca; color:#dc2626; }
.lk-btn--danger:hover { background:#dc2626; color:#fff; border-color:#dc2626; }
.lk-btn--solid-danger { background:#dc2626; color:#fff; }
.lk-btn--solid-danger:hover { color:#fff; filter:brightness(1.06); }

/* ---------- 알림 배너 ---------- */
.lk-note {
  border-radius: 14px;
  padding: .85rem 1.1rem;
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.25rem;
}
.lk-note svg { width: 18px; height: 18px; flex: none; }
.lk-note--info { background: var(--lk-grad-soft); color: #3730a3; border: 1px solid #e0e7ff; }
.lk-note--warn { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.lk-note a { color: inherit; font-weight: 700; }

/* 남은 횟수 pill */
.lk-quota {
  text-align: right;
  font-size: .82rem;
  color: var(--lk-muted);
  margin-bottom: .5rem;
}
.lk-quota strong { color: var(--lk-indigo); }
.lk-quota--full { color: #dc2626; font-weight: 600; }

/* ---------- 기능 3배지 ---------- */
.lk-feats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin-top: 2rem;
}
.lk-feat {
  background: var(--lk-grad-soft);
  border: 1px solid #e0e7ff;
  border-radius: 16px;
  padding: 1.1rem .6rem;
  text-align: center;
}
.lk-feat__ic {
  width: 38px; height: 38px;
  margin: 0 auto .5rem;
  border-radius: 11px;
  background: #fff;
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(79,70,229,.12);
}
.lk-feat__ic svg { width: 20px; height: 20px; color: var(--lk-indigo); }
.lk-feat__t { font-weight: 700; font-size: .85rem; color: var(--lk-ink); }
.lk-feat__d { font-size: .74rem; color: var(--lk-muted); margin-top: .1rem; }

/* ---------- 필터 탭 ---------- */
.lk-tabs {
  display: inline-flex;
  gap: .3rem;
  background: #f1f5f9;
  padding: .3rem;
  border-radius: 14px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.lk-tab {
  padding: .45rem .95rem;
  border-radius: 10px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--lk-muted);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.lk-tab:hover { color: var(--lk-ink); }
.lk-tab.is-active {
  background: #fff;
  color: var(--lk-indigo);
  box-shadow: 0 1px 4px rgba(15,23,42,.08);
}

/* ---------- 링크 목록 아이템 ---------- */
.lk-list { display: flex; flex-direction: column; gap: .9rem; }
.lk-item {
  background: #fff;
  border: 1px solid var(--lk-line);
  border-radius: 18px;
  padding: 1.15rem 1.25rem;
  transition: box-shadow .18s, transform .18s, border-color .18s;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.lk-item:hover {
  box-shadow: var(--lk-shadow);
  border-color: #c7d2fe;
  transform: translateY(-1px);
}
.lk-item.is-dim { opacity: .62; }
.lk-item__qr {
  width: 58px; height: 58px;
  border-radius: 12px;
  border: 1px solid var(--lk-line);
  flex: none;
  object-fit: contain;
  background: #fff;
  padding: 3px;
}
.lk-item__qr-fallback {
  width: 58px; height: 58px;
  border-radius: 12px;
  background: var(--lk-grad-soft);
  display: grid; place-items: center;
  flex: none;
}
.lk-item__qr-fallback svg { width: 24px; height: 24px; color: var(--lk-indigo); }
.lk-item__main { min-width: 0; flex: 1; }
.lk-item__title {
  display: flex; align-items: center; gap: .5rem;
  flex-wrap: wrap; margin-bottom: .4rem;
}
.lk-item__name { font-weight: 700; color: var(--lk-ink); font-size: .98rem; }
.lk-item__slug {
  display: inline-flex; align-items: center; gap: .35rem;
  margin-bottom: .35rem;
}
.lk-item__slug code {
  font-size: .9rem;
  color: var(--lk-indigo);
  background: #eef2ff;
  padding: .15rem .5rem;
  border-radius: 7px;
  font-weight: 600;
  text-decoration: none;
}
.lk-item__orig {
  color: var(--lk-muted);
  font-size: .8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.lk-item__side {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: .6rem; flex: none;
}
.lk-item__clicks { text-align: center; line-height: 1; }
.lk-item__clicks b { font-size: 1.3rem; font-weight: 800; color: var(--lk-ink); }
.lk-item__clicks span { display: block; font-size: .7rem; color: var(--lk-muted); margin-top: .15rem; }
.lk-item__acts { display: flex; gap: .3rem; flex-wrap: wrap; justify-content: flex-end; }

/* 아이콘 전용 버튼 */
.lk-ibtn {
  width: 34px; height: 34px;
  border-radius: 10px;
  border: 1.5px solid var(--lk-line);
  background: #fff;
  display: grid; place-items: center;
  color: var(--lk-muted);
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.lk-ibtn svg { width: 16px; height: 16px; }
.lk-ibtn:hover { border-color: var(--lk-indigo); color: var(--lk-indigo); background:#f5f3ff; }
.lk-ibtn--danger:hover { border-color:#dc2626; color:#dc2626; background:#fef2f2; }
.lk-ibtn--ok:hover { border-color:#059669; color:#059669; background:#ecfdf5; }
.lk-ibtn.is-copied { border-color:#059669; color:#059669; background:#ecfdf5; }

/* ---------- 배지 ---------- */
.lk-badge {
  font-size: .72rem;
  font-weight: 700;
  padding: .2rem .55rem;
  border-radius: 999px;
  display: inline-flex; align-items:center; gap:.25rem;
}
.lk-badge--success { background: #dcfce7; color: #15803d; }
.lk-badge--danger  { background: #fee2e2; color: #b91c1c; }
.lk-badge--muted   { background: #f1f5f9; color: #64748b; }
.lk-badge--soft    { background: #eef2ff; color: #4338ca; }

/* ---------- 통계 요약 카드 ---------- */
.lk-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin-bottom: 1.5rem; }
@media (max-width: 575px) { .lk-stats { grid-template-columns: repeat(2, 1fr); } }
.lk-stat {
  border-radius: 16px;
  padding: 1.1rem;
  text-align: center;
  color: #fff;
}
.lk-stat b { display: block; font-size: 1.7rem; font-weight: 800; line-height: 1; }
.lk-stat span { font-size: .78rem; opacity: .85; }
.lk-stat--primary { background: var(--lk-grad); }
.lk-stat--green { background: linear-gradient(135deg,#10b981,#059669); }
.lk-stat--amber { background: linear-gradient(135deg,#f59e0b,#d97706); }
.lk-stat--slate { background: #fff; border:1px solid var(--lk-line); color: var(--lk-ink); }
.lk-stat--slate span { color: var(--lk-muted); opacity: 1; }

.lk-panel { background:#fff; border:1px solid var(--lk-line); border-radius:18px; padding:1.5rem; margin-bottom:1.25rem; }
.lk-panel__t { font-weight:700; font-size:.95rem; color:var(--lk-ink); margin:0 0 1rem; display:flex; align-items:center; gap:.5rem; }
.lk-panel__t svg { width:18px; height:18px; color:var(--lk-indigo); }

/* 정보 테이블 */
.lk-info { width:100%; font-size:.88rem; }
.lk-info th { text-align:left; color:var(--lk-muted); font-weight:500; width:110px; padding:.5rem .5rem .5rem 0; vertical-align:top; }
.lk-info td { padding:.5rem 0; color:var(--lk-ink); word-break:break-all; }
.lk-info code { background:#eef2ff; color:var(--lk-indigo); padding:.1rem .4rem; border-radius:6px; }

/* 로그 테이블 */
.lk-log { width:100%; font-size:.82rem; }
.lk-log thead th { background:#f8fafc; color:var(--lk-muted); font-weight:600; padding:.5rem .6rem; text-align:left; }
.lk-log tbody td { padding:.5rem .6rem; border-top:1px solid #f1f5f9; color:var(--lk-ink); }
.lk-log tbody tr:hover td { background:#f8fafc; }
.lk-log .mono { font-family:ui-monospace,monospace; color:var(--lk-muted); }

/* ---------- 상태 페이지(만료/삭제) ---------- */
.lk-state { text-align:center; max-width:460px; margin:0 auto; padding:3rem 1rem; }
.lk-state__ic {
  width: 84px; height: 84px; margin: 0 auto 1.25rem;
  border-radius: 24px; display: grid; place-items: center;
}
.lk-state__ic svg { width: 42px; height: 42px; }
.lk-state__ic--warn { background:#fef3c7; color:#d97706; }
.lk-state__ic--stop { background:#f1f5f9; color:#64748b; }
.lk-state__ic--del  { background:#fee2e2; color:#dc2626; }
.lk-state h2 { font-weight:800; color:var(--lk-ink); margin-bottom:.5rem; }
.lk-state p { color:var(--lk-muted); margin-bottom:1.5rem; }

/* ---------- 완료 페이지 ---------- */
.lk-copybar { display:flex; border:1.5px solid var(--lk-line); border-radius:12px; overflow:hidden; }
.lk-copybar input {
  flex:1; border:0; padding:.75rem 1rem; font-size:.95rem; color:var(--lk-ink);
  background:#f8fafc; min-width:0;
}
.lk-copybar input:focus { outline:none; }
.lk-copybar button {
  border:0; background:var(--lk-grad); color:#fff; font-weight:700;
  padding:0 1.25rem; cursor:pointer; white-space:nowrap; font-size:.9rem;
}
.lk-copybar button.is-copied { background:#059669; }

.lk-metagrid { display:grid; grid-template-columns:1fr 1fr; gap:.6rem; margin-top:1rem; }
.lk-metabox { background:var(--lk-grad-soft); border:1px solid #e0e7ff; border-radius:14px; padding:.9rem; text-align:center; }
.lk-metabox span { font-size:.75rem; color:var(--lk-muted); display:block; }
.lk-metabox b { font-size:1rem; color:var(--lk-ink); font-weight:700; }

.lk-qrbox { text-align:center; }
.lk-qrbox img { max-width:220px; border:1px solid var(--lk-line); border-radius:16px; padding:8px; background:#fff; }

.lk-actions { display:flex; gap:.6rem; flex-wrap:wrap; justify-content:center; margin-top:1.5rem; }

/* 빈 상태 */
.lk-empty { text-align:center; padding:3.5rem 1rem; }
.lk-empty__ic {
  width:72px; height:72px; margin:0 auto 1rem; border-radius:20px;
  background:var(--lk-grad-soft); display:grid; place-items:center;
}
.lk-empty__ic svg { width:34px; height:34px; color:var(--lk-indigo); }
.lk-empty p { color:var(--lk-muted); margin-bottom:1.25rem; }