/* 시니어안심살핌 (senior-caresafe) - 엔터프라이즈 모던 슬레이트 디자인 시스템 */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #cbd5e1;
  --color-border-subtle: #e2e8f0;
  --color-text-title: #0f172a;
  --color-text-body: #334155;
  --color-text-muted: #64748b;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-subtle: #eff6ff;
  --color-danger: #dc2626;
  --color-danger-subtle: #fef2f2;
  --color-success: #16a34a;
  --color-success-subtle: #f0fdf4;
  --color-warning: #d97706;
  --color-warning-subtle: #fffbeb;
  --font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", Roboto, "Malgun Gothic", sans-serif;
  --touch-target-min: 44px;
  --input-height: 42px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-body);
  line-height: 1.5;
  font-size: 15px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 상단 헤더 */
.app-header {
  background-color: var(--color-text-title);
  color: #ffffff;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #ffffff;
}

.session-indicator {
  font-size: 12px;
  color: #94a3b8;
  background-color: #1e293b;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid #334155;
}

/* 상단 탭 네비게이션 */
.app-tabs {
  display: flex;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.app-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex: 1;
  min-width: 90px;
  min-height: var(--touch-target-min);
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

/* 메인 컨테이너 */
.app-content {
  flex: 1;
  max-width: 768px;
  width: 100%;
  margin: 0 auto;
  padding: 16px;
}

/* 탭 패널 */
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

/* 카드 컴포넌트 */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 폼 그룹 */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: var(--input-height);
  padding: 0 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text-body);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-textarea {
  height: auto;
  min-height: 80px;
  padding: 10px 12px;
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input[readonly] {
  background-color: #f1f5f9;
  color: #64748b;
  cursor: not-allowed;
}

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target-min);
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-body);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background-color: #f1f5f9;
}

.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
}
.btn-danger-subtle {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger);
  border-color: #fecaca;
}

.btn-full {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* 참여자 리스트 동적 추가 */
.participant-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.participant-row .form-input {
  flex: 1;
}

/* 배지 */
.badge {
  display: inline-block;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  background-color: #e2e8f0;
  color: #334155;
}
.badge-danger {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger);
}
.badge-warning {
  background-color: var(--color-warning-subtle);
  color: var(--color-warning);
}
.badge-success {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
}
.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* 알림 박스 */
.alert-box {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 13.5px;
  line-height: 1.5;
  background-color: var(--color-primary-subtle);
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

/* 대장 테이블 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

.data-table th {
  background-color: #f1f5f9;
  font-weight: 700;
  color: var(--color-text-title);
}

.data-table tr:hover td {
  background-color: #f8fafc;
}

/* 중앙 정렬 페이지네이션 */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.pagination-info {
  font-size: 12px;
  color: var(--color-text-muted);
}

.pagination-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 6px;
  border: 1px solid var(--color-border);
  background-color: #ffffff;
  color: var(--color-text-body);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-btn.active {
  background-color: var(--color-text-title);
  color: #ffffff;
  border-color: var(--color-text-title);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 반응형 유동 레이아웃 */
@media (min-width: 768px) {
  .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}