/* ==========================================================================
   BUSAN TOURISM PMS - MODERN CORE DESIGN SYSTEM (style.css)
   ========================================================================== */

/* 1. 디자인 토큰 및 변수 설정 */
:root {
  /* 폰트 패밀리 */
  --font-heading: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
  --font-body: 'Inter', 'Noto Sans KR', sans-serif;

  /* 다크 테마 색상 팔레트 (기본) */
  --bg-app: hsl(224, 71%, 4%);
  --bg-gradient: radial-gradient(circle at top left, hsl(223, 73%, 9%) 0%, hsl(224, 71%, 4%) 100%);
  --bg-card: hsla(223, 47%, 10%, 0.65);
  --border-card: hsla(223, 47%, 20%, 0.45);
  --border-card-glow: hsla(183, 100%, 48%, 0.15);
  
  --color-primary: hsl(183, 100%, 48%);
  --color-primary-glow: hsla(183, 100%, 48%, 0.35);
  --color-secondary: hsl(273, 100%, 65%);
  --color-secondary-glow: hsla(273, 100%, 65%, 0.3);
  --color-accent: hsl(205, 100%, 55%);
  
  --text-main: hsl(210, 40%, 98%);
  --text-muted: hsl(215, 20%, 65%);
  --text-dark: hsl(222, 47%, 12%);
  
  --status-success: hsl(145, 80%, 45%);
  --status-success-bg: hsla(145, 80%, 45%, 0.15);
  --status-warning: hsl(35, 100%, 50%);
  --status-warning-bg: hsla(35, 100%, 50%, 0.15);
  --status-error: hsl(360, 85%, 55%);
  --status-error-bg: hsla(360, 85%, 55%, 0.15);
  
  --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 20px 0 hsla(183, 100%, 48%, 0.2);
  --glass-blur: blur(14px);
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 라이트 테마 색상 팔레트 */
.light-theme {
  --bg-app: hsl(210, 40%, 96%);
  --bg-gradient: linear-gradient(135deg, hsl(210, 40%, 94%) 0%, hsl(210, 40%, 98%) 100%);
  --bg-card: rgba(255, 255, 255, 0.75);
  --border-card: hsla(215, 20%, 80%, 0.5);
  --border-card-glow: hsla(205, 100%, 45%, 0.1);
  
  --color-primary: hsl(205, 90%, 48%);
  --color-primary-glow: hsla(205, 90%, 48%, 0.2);
  --color-secondary: hsl(273, 85%, 55%);
  --color-secondary-glow: hsla(273, 85%, 55%, 0.15);
  --color-accent: hsl(190, 90%, 42%);
  
  --text-main: hsl(222, 47%, 15%);
  --text-muted: hsl(217, 13%, 45%);
  
  --shadow-premium: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
  --shadow-glow: 0 0 20px 0 hsla(205, 90%, 48%, 0.15);
  --glass-blur: blur(14px);
}

/* 2. 전역 스타일 및 초기화 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-gradient);
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 프리미엄 스크롤바 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: var(--border-card);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* 3. 레이아웃 구조 */
.app-container {
  width: 100%;
  max-width: 1440px;
  padding: 24px;
  padding-bottom: 240px; /* 구글시트 시뮬레이터 공간 확보 */
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 4. 헤더 네비게이션 */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-brand h1 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.header-brand h1 span {
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary-glow);
}

/* 구글 시트 연결 표시기 */
.sheets-connection-badge-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sheets-connection-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-card);
  border-radius: 30px;
}
.light-theme .sheets-connection-badge {
  background: rgba(255, 255, 255, 0.8);
}
.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--status-success);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
  animation: pulse-green 2s infinite;
}
.sheets-info {
  display: flex;
  flex-direction: column;
}
.status-label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
}
.sheets-link {
  font-size: 12px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-smooth);
}
.sheets-link:hover {
  color: var(--color-primary);
}

/* 실시간 API 연동 패널 */
.live-sync-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-card);
  border-radius: 30px;
  padding: 6px 16px;
}
.light-theme .live-sync-panel {
  background: rgba(255, 255, 255, 0.8);
}

.sync-mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.url-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
  border-left: 1px solid var(--border-card);
  padding-left: 12px;
  animation: slideInX 0.3s ease forwards;
}

#apps-script-url {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  color: var(--text-main);
  font-size: 10px;
  padding: 4px 10px;
  width: 130px;
  outline: none;
  transition: var(--transition-smooth);
}
.light-theme #apps-script-url {
  background: rgba(0, 0, 0, 0.03);
}
#apps-script-url:focus {
  border-color: var(--color-primary);
  width: 200px;
}

/* 스위치 토글 디자인 */
.switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-card);
  transition: .4s;
}
.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
}
input:checked + .slider {
  background-color: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary-glow);
}
input:checked + .slider:before {
  transform: translateX(14px);
}
.slider.round {
  border-radius: 18px;
}
.slider.round:before {
  border-radius: 50%;
}

@keyframes slideInX {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 테마 토글 버튼 */
.icon-button {
  background: none;
  border: 1px solid var(--border-card);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.icon-button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.sun-icon { display: none; }
.light-theme .sun-icon { display: block; }
.light-theme .moon-icon { display: none; }

/* 권한 셀렉터 커스텀 */
.role-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}
.role-selector-wrapper label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}
.select-custom {
  position: relative;
}
.select-custom select {
  appearance: none;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-main);
  padding: 8px 32px 8px 16px;
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.light-theme .select-custom select {
  background: rgba(255, 255, 255, 0.9);
}
.select-custom select:focus,
.select-custom select:hover {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: var(--shadow-glow);
}
.select-custom::after {
  content: '▼';
  font-size: 8px;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* 5. 사업 전환 탭 바 */
.project-tabs-container {
  width: 100%;
}
.project-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-card);
  padding: 6px;
  border-radius: var(--border-radius-md);
  gap: 8px;
}
.light-theme .project-tabs {
  background: rgba(0, 0, 0, 0.04);
}
.project-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 12px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}
.project-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}
.light-theme .project-tab:hover {
  background: rgba(255, 255, 255, 0.5);
}
.project-tab.active {
  color: var(--text-main);
  background: var(--bg-card);
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--border-card);
}
.project-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
}

/* 6. 대시보드 뷰 컨테이너 */
.dashboard-body {
  width: 100%;
}
.dashboard-view {
  display: none;
  flex-direction: column;
  gap: 24px;
  animation: fadeIn 0.4s ease-out;
}
.dashboard-view.active {
  display: flex;
}

.view-intro {
  margin-bottom: 8px;
}
.view-intro h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
}
.highlight-text {
  color: var(--color-primary);
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.highlight-project-text {
  color: var(--color-secondary);
  font-weight: 700;
}
.view-intro .subtitle {
  color: var(--text-muted);
  font-size: 14px;
}

/* 대시보드 그리드 시스템 */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.span-full {
  grid-column: span 2;
}

/* 프리미엄 글래스모피즘 카드 */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition-smooth);
}
.glass-card:hover {
  border-color: var(--border-card-glow);
  box-shadow: 0 10px 40px 0 rgba(0, 0, 0, 0.5), var(--border-card-glow);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 12px;
}
.card-header h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* 7. 프로세스 파이프라인 (인턴 대시보드) */
.process-pipeline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 20px 10px;
  margin-top: 10px;
}
.process-pipeline::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-50%);
  z-index: 1;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
  flex: 1;
}
.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-app);
  border: 3px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}
.step-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

/* 파이프라인 상태 클래스 */
.process-step.active .step-dot {
  border-color: var(--color-primary);
  color: var(--text-main);
  box-shadow: 0 0 15px var(--color-primary-glow);
  background: var(--color-primary);
}
.process-step.active .step-label {
  color: var(--color-primary);
  font-weight: 700;
}
.process-step.completed .step-dot {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--text-main);
}
.process-step.completed .step-label {
  color: var(--color-secondary);
}

/* 8. 원형 차트 (Circular SVG Progress) */
.flex-center-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.progress-indicator-container {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 10px 0;
}
.circle-chart-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
}
.circle-chart {
  width: 100%;
  height: 100%;
}
.circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 2.8;
}
.circle-fill {
  fill: none;
  stroke: url(#progress-grad);
  stroke-width: 2.8;
  stroke-linecap: round;
  transition: stroke-dasharray 0.8s ease-in-out;
}
/* SVG 그라디언트를 위해 index.html에 동적으로 인젝션하거나 CSS에서 색 지정 */
.circle-fill {
  stroke: var(--color-primary);
}
.circle-percentage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
}
.indicator-desc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}
.indicator-desc h4 {
  font-size: 15px;
  font-weight: 700;
}
.indicator-desc p {
  font-size: 12px;
  color: var(--text-muted);
}

/* 9. 인턴십/아카데미 특화 위젯 */
.intern-detail-widget {
  width: 100%;
  border-top: 1px solid var(--border-card);
  margin-top: 20px;
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.widget-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.widget-label {
  font-size: 13px;
  color: var(--text-muted);
}
.widget-val {
  font-size: 13px;
  font-weight: 700;
}

/* 10. 공지사항 보드 */
.notice-board {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}
.notice-item {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-card);
  padding: 14px;
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--transition-smooth);
}
.light-theme .notice-item {
  background: rgba(255, 255, 255, 0.5);
}
.notice-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}
.notice-title {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}
.notice-date {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
}
.notice-content {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 11. 서류 드래그 앤 드롭 업로드 */
.file-upload-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.drag-drop-zone {
  border: 2px dashed var(--border-card);
  border-radius: var(--border-radius-md);
  padding: 30px;
  text-align: center;
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.drag-drop-zone:hover,
.drag-drop-zone.dragover {
  border-color: var(--color-primary);
  background: rgba(183, 100, 48, 0.03);
  box-shadow: var(--shadow-glow);
}
.upload-icon {
  color: var(--text-muted);
  transition: var(--transition-smooth);
}
.drag-drop-zone:hover .upload-icon {
  color: var(--color-primary);
  transform: translateY(-4px);
}
.upload-prompt {
  font-size: 13px;
  font-weight: 600;
}
.upload-prompt span {
  color: var(--color-primary);
  text-decoration: underline;
}
.upload-limit {
  font-size: 11px;
  color: var(--text-muted);
}

.document-type-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 16px;
}
.document-type-selector label {
  font-size: 13px;
  font-weight: 700;
}

/* 제출 서류 리스트 */
.submitted-docs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.submitted-docs-list h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}
.doc-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  font-size: 12px;
}
.light-theme .doc-item {
  background: rgba(255, 255, 255, 0.6);
}
.doc-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.doc-name {
  font-weight: 600;
}
.doc-meta {
  font-size: 10px;
  color: var(--text-muted);
}

/* 12. 매칭 인턴 관리 카드 */
.intern-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-height: 480px;
  overflow-y: auto;
  padding-right: 4px;
}
.intern-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-smooth);
}
.light-theme .intern-card {
  background: rgba(255, 255, 255, 0.6);
}
.intern-card:hover {
  border-color: var(--color-primary);
}
.intern-profile {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.intern-meta h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}
.intern-meta p {
  font-size: 11px;
  color: var(--text-muted);
}
.score-badge {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  color: var(--color-secondary);
  background: var(--color-secondary-glow);
  padding: 2px 8px;
  border-radius: 12px;
}
.intern-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.btn-sm {
  flex: 1;
  padding: 6px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid var(--border-card);
  background: none;
  color: var(--text-main);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.btn-sm:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-primary-sm {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-dark);
}
.btn-primary-sm:hover {
  background: none;
  color: var(--color-primary);
}

/* 13. 운영사 대시보드 및 지표 행 */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}
.metric-card {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.metric-icon {
  font-size: 32px;
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.metric-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.metric-details h4 {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.metric-value {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
}
.metric-sub {
  font-size: 11px;
  color: var(--text-muted);
}
.budget-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
}
.budget-bar-fill {
  height: 100%;
  width: 0;
  background: var(--color-primary);
  transition: width 1s ease-out;
}
.budget-bar-fill.matching {
  background: var(--color-secondary);
}
.budget-bar-fill.teams {
  background: var(--color-accent);
}

/* 운영사 서류 테이블 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.pms-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}
.pms-table th,
.pms-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-card);
}
.pms-table th {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.1);
}
.pms-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}
.light-theme .pms-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.01);
}

/* 다운로드용 G-Drive URL 링크 스타일 */
.drive-url-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.drive-url-link:hover {
  text-decoration: underline;
}

/* 14. 뱃지 스타일 */
.status-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}
.status-badge.pending {
  color: var(--status-warning);
  background: var(--status-warning-bg);
  border: 1px solid var(--status-warning);
}
.status-badge.approved {
  color: var(--status-success);
  background: var(--status-success-bg);
  border: 1px solid var(--status-success);
}
.status-badge.rejected {
  color: var(--status-error);
  background: var(--status-error-bg);
  border: 1px solid var(--status-error);
}
.live-tag {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 800;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
  animation: glow-pulse-cyan 2s infinite;
}

/* 15. 실시간 구글 시트 DB 라이브 모니터 */
.db-monitor-panel {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1440px;
  background: hsla(224, 71%, 4%, 0.95);
  border: 1px solid var(--border-card);
  border-top-left-radius: var(--border-radius-lg);
  border-top-right-radius: var(--border-radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.8);
  z-index: 100;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow: hidden;
}
.light-theme .db-monitor-panel {
  background: rgba(255, 255, 255, 0.98);
}
/* 접혀있는 상태 */
.db-monitor-panel.collapsed {
  transform: translate(-50%, calc(100% - 46px));
}

.monitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-card);
  cursor: pointer;
  user-select: none;
}
.monitor-title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.monitor-title h3 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.active-sheet-id {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 10px;
  border: 1px solid var(--border-card);
}
.light-theme .active-sheet-id {
  background: rgba(0, 0, 0, 0.04);
}

.monitor-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 800;
  color: var(--status-success);
}
.indicator-glow {
  width: 6px;
  height: 6px;
  background-color: var(--status-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--status-success);
}
.expand-btn {
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
}
.chevron-icon {
  transition: transform 0.3s ease;
}
.db-monitor-panel.collapsed .chevron-icon {
  transform: rotate(180deg);
}

.monitor-body {
  padding: 16px 24px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sheet-tabs {
  display: flex;
  gap: 8px;
}
.sheet-tab {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.light-theme .sheet-tab {
  background: rgba(0, 0, 0, 0.03);
}
.sheet-tab:hover {
  color: var(--text-main);
}
.sheet-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-dark);
}

/* 시트 데이터 테이블 */
.sheet-table-wrapper {
  max-height: 180px;
  overflow-y: auto;
  border: 1px solid var(--border-card);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.2);
}
.light-theme .sheet-table-wrapper {
  background: rgba(255, 255, 255, 0.8);
}
.sheet-table {
  width: 100%;
  border-collapse: collapse;
  font-family: monospace;
  font-size: 11px;
  text-align: left;
}
.sheet-table th,
.sheet-table td {
  padding: 8px 12px;
  border: 1px solid var(--border-card);
}
.sheet-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-weight: 700;
}
.light-theme .sheet-table th {
  background: rgba(0, 0, 0, 0.03);
}

/* DB 셀 동기화 점멸(Flash) 효과 */
@keyframes flash-highlight {
  0% { background-color: rgba(0, 242, 254, 0.4); }
  50% { background-color: rgba(79, 172, 254, 0.25); }
  100% { background-color: transparent; }
}
.flash-row {
  animation: flash-highlight 1.5s ease-out;
}

/* 16. 모달 팝업 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal.active {
  display: flex;
}
.modal-content {
  width: 100%;
  max-width: 500px;
  position: relative;
  animation: scaleUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.close-modal {
  position: absolute;
  right: 20px;
  top: 15px;
  font-size: 24px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}
.close-modal:hover {
  color: var(--color-primary);
}

/* 모달 컨텐츠 내부 디테일 */
.modal-detail-header {
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.modal-detail-header h3 {
  font-size: 18px;
  font-weight: 700;
}
.modal-detail-header p {
  font-size: 12px;
  color: var(--text-muted);
}
.resume-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
}
.resume-section h4 {
  font-size: 13px;
  font-weight: 700;
  border-left: 3px solid var(--color-primary);
  padding-left: 8px;
  margin-bottom: 6px;
}
.resume-section p {
  color: var(--text-muted);
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.1);
  padding: 8px 12px;
  border-radius: 6px;
}
.light-theme .resume-section p {
  background: rgba(0, 0, 0, 0.03);
}

/* 17. 애니메이션 정의 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(76, 175, 80, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}
@keyframes glow-pulse-cyan {
  0% { box-shadow: 0 0 4px var(--color-primary-glow); border-color: var(--color-primary); }
  50% { box-shadow: 0 0 12px var(--color-primary); border-color: var(--color-primary); }
  100% { box-shadow: 0 0 4px var(--color-primary-glow); border-color: var(--color-primary); }
}

/* 18. 반응형 레이아웃 */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .span-full {
    grid-column: span 1;
  }
  .metrics-row {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .header-controls {
    justify-content: space-between;
  }
  .project-tabs {
    flex-direction: column;
  }
  .progress-indicator-container {
    flex-direction: column;
  }
  .intern-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* 19. 락 오버레이 및 수료제한 블러 효과 */
.lock-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 15, 30, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  border-radius: var(--border-radius-lg);
  padding: 40px;
  animation: fadeIn 0.4s ease-out;
}
.light-theme .lock-overlay {
  background: rgba(230, 235, 245, 0.94);
}
.lock-icon {
  font-size: 54px;
  margin-bottom: 8px;
  animation: float-lock 3s ease-in-out infinite;
}
.lock-stats-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  margin: 10px 0;
  font-size: 14px;
}
.light-theme .lock-stats-box {
  background: rgba(0, 0, 0, 0.04);
}
.blurred {
  filter: blur(10px);
  pointer-events: none;
  user-select: none;
}

@keyframes float-lock {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* 아카데미 5회차 세션 출석 블록 UI */
.academy-sessions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 14px;
  width: 100%;
}
.session-block {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 12px 6px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}
.light-theme .session-block {
  background: rgba(0, 0, 0, 0.03);
}
.session-block.attended {
  border-color: var(--status-success);
  background: var(--status-success-bg);
}
.session-block.pending {
  border-color: var(--status-warning);
  background: var(--status-warning-bg);
}
.session-status-badge {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 800;
}
.session-status-badge.attended {
  color: var(--status-success);
  background: rgba(76, 175, 80, 0.15);
}
.session-status-badge.pending {
  color: var(--status-warning);
  background: rgba(255, 152, 0, 0.15);
}

/* 13. 인증 (Login/Signup) 뷰 */
.auth-container {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100vh;
  background: var(--bg-main);
  z-index: 9999;
  overflow-y: auto; /* 스크롤 허용 */
}
.auth-container.active {
  display: block; /* flex 대신 block으로 변경하여 상단 잘림 방지 */
  padding: 40px 20px; /* 모바일에서 상하 여백 확보 */
  box-sizing: border-box;
}
.auth-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  padding: 40px;
  margin: 0 auto; /* 가운데 정렬 */
  width: 100%;
  max-width: 480px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
  animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.auth-header {
  text-align: center;
  margin-bottom: 30px;
}
.auth-header svg {
  margin-bottom: 16px;
}
.auth-header h2 {
  font-size: 24px;
  font-family: 'Outfit', sans-serif;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.auth-header p {
  color: var(--text-muted);
  font-size: 14px;
}
.auth-tabs {
  display: flex;
  background: rgba(0,0,0,0.2);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 24px;
}
.light-theme .auth-tabs {
  background: rgba(0,0,0,0.05);
}
.auth-tab {
  flex: 1;
  padding: 10px 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  border-radius: 8px;
  transition: var(--transition-smooth);
}
.auth-tab.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 242, 254, 0.3);
}
.auth-forms {
  position: relative;
}
.auth-form {
  display: none;
}
.auth-form.active {
  display: block;
  animation: fadeIn 0.4s ease;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="date"] {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  transition: var(--transition-smooth);
}
.light-theme .form-group input {
  background: rgba(255,255,255,0.5);
}
.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.1);
}
.role-radio-group {
  display: flex;
  gap: 16px;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-main);
}
.signup-dynamic-fields {
  display: none;
  padding-top: 16px;
  border-top: 1px solid var(--border-card);
  margin-top: 16px;
}
.signup-dynamic-fields.active {
  display: block;
  animation: fadeIn 0.4s ease;
}