/* css/data-studio.css
   Data Studio "데이터셋" 탭 전용 스타일
   brand-dna 토큰: hero #00A1E0 / surface rgba(15,25,42,0.78) / radius moderate
   plan-harness:code / DATASET_REGISTER_FORM-001 */

/* ── 탭 헤더 ──────────────────────────────────────────────────────────── */
.ds-datasets-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.ds-datasets-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: #E8EDF3;
  margin: 0 0 4px;
}

.ds-datasets-subtitle {
  font-size: 11px;
  color: #6B7280;
  margin: 0;
}

.ds-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;          /* moderate radius */
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #00A1E0 0%, #5BC0EB 100%); /* hero */
  border: none;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.ds-add-btn:hover {
  box-shadow: 0 4px 16px rgba(0, 161, 224, 0.45); /* glow */
  transform: translateY(-1px);
}

/* ── 카드 그리드 ──────────────────────────────────────────────────────── */
.ds-dataset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

@media (max-width: 768px) {
  .ds-dataset-grid {
    grid-template-columns: 1fr;
  }
}

/* ── 카드 ─────────────────────────────────────────────────────────────── */
.ds-card {
  background: rgba(15, 25, 42, 0.78);         /* surface */
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;                          /* moderate */
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.ds-card:hover {
  transform: translateY(-3px);                 /* lift */
  box-shadow: 0 8px 24px rgba(0, 161, 224, 0.15);
  border-color: rgba(91, 192, 235, 0.35);
}

.ds-card-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ds-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ds-card-org {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ds-card-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
  color: #E8EDF3;
  margin: 0;
}

.ds-card-key {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: #5BC0EB;
  background: rgba(91, 192, 235, 0.08);
  border: 1px solid rgba(91, 192, 235, 0.15);
  border-radius: 4px;
  padding: 1px 6px;
  width: fit-content;
}

.ds-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ds-card-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #9CA3AF;
}

.ds-card-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 10px;
}

.ds-obtain-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: #9CA3AF;
  text-decoration: none;
  transition: color 0.15s;
}

.ds-obtain-link:hover {
  color: #5BC0EB;
}

.ds-warn-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
  margin-left: 4px;
}

/* ── 상태 배지 ────────────────────────────────────────────────────────── */
.ds-status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 9px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ds-status-badge.success  { background: rgba(34, 197, 94, 0.15); color: #4ADE80; border: 1px solid rgba(74,222,128,0.3); }
.ds-status-badge.failure  { background: rgba(201, 72, 91, 0.15);  color: #FB7185; border: 1px solid rgba(201,72,91,0.35); }
.ds-status-badge.pending  { background: rgba(156, 163, 175, 0.12); color: #9CA3AF; border: 1px solid rgba(156,163,175,0.25); }
.ds-status-badge.blocked  { background: rgba(254, 215, 102, 0.12); color: #FED766; border: 1px solid rgba(254,215,102,0.3); }

/* ── 난이도 배지 ──────────────────────────────────────────────────────── */
.ds-diff-badge {
  display: inline-flex;
  font-size: 9px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: auto;
}

.ds-diff-badge.easy   { background: rgba(34,197,94,0.12); color: #4ADE80; }
.ds-diff-badge.medium { background: rgba(254,215,102,0.12); color: #FED766; }
.ds-diff-badge.hard   { background: rgba(201,72,91,0.12); color: #FB7185; }

/* ── 키 상태 ──────────────────────────────────────────────────────────── */
.ds-key-ok      { color: #4ADE80; }
.ds-key-missing { color: #FED766; }

/* ── 스켈레톤 ─────────────────────────────────────────────────────────── */
.ds-card-skeleton {
  pointer-events: none;
}

.ds-skel {
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  animation: ds-pulse 1.4s ease-in-out infinite;
}

.ds-skel-sm { height: 10px; width: 60%; }
.ds-skel-lg { height: 18px; width: 80%; }
.ds-skel-md { height: 11px; width: 90%; }

@keyframes ds-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ── 빈 상태 ──────────────────────────────────────────────────────────── */
.ds-empty-msg {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #6B7280;
  padding: 24px 0;
}

/* ── 등록 모달 ────────────────────────────────────────────────────────── */
.ds-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ds-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 16, 31, 0.85);
  backdrop-filter: blur(8px);
}

.ds-modal-card {
  position: relative;
  z-index: 201;
  background: rgba(15, 25, 42, 0.96);
  border: 1px solid rgba(91, 192, 235, 0.28);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

.ds-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.ds-modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #E8EDF3;
  margin: 0;
}

.ds-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: none;
  background: rgba(255,255,255,0.05);
  color: #9CA3AF;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ds-modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: #E8EDF3;
}

/* ── 폼 ───────────────────────────────────────────────────────────────── */
.ds-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ds-form-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ds-form-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: #9CA3AF;
}

.ds-required { color: #FB7185; }

.ds-form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 12px;
  color: #E8EDF3;
  font-family: 'JetBrains Mono', monospace;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  box-sizing: border-box;
}

.ds-form-input:focus {
  border-color: #00A1E0;
  box-shadow: 0 0 0 2px rgba(0, 161, 224, 0.18);
}

.ds-form-select {
  appearance: none;
  cursor: pointer;
}

.ds-form-hint {
  font-size: 10px;
  color: #6B7280;
  margin: 0;
}

.ds-form-error {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #FB7185;
  background: rgba(201,72,91,0.1);
  border: 1px solid rgba(201,72,91,0.25);
  border-radius: 6px;
  padding: 8px 12px;
}

.ds-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.ds-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #00A1E0 0%, #5BC0EB 100%);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
}

.ds-btn-primary:hover { opacity: 0.88; }
.ds-btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }

.ds-btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #9CA3AF;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ds-btn-secondary:hover {
  background: rgba(255,255,255,0.09);
  color: #E8EDF3;
}

.ds-token-row { /* 토큰 입력 행 강조 */ }