/* ============================================
   [서비스명] - Mockup Styles
   ============================================ */

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors - 다크 테마 기본 */
  --bg-primary: #0D0D1A;
  --bg-secondary: #1A1A2E;
  --bg-card: #252538;
  --bg-input: #2D2D42;
  --text-primary: #FFFFFF;
  --text-secondary: #9999AA;
  --text-muted: #666677;
  --accent-primary: #6C5CE7;
  --accent-secondary: #45B7D1;
  --accent-pink: #FF6B9D;
  --accent-gold: #FFD93D;
  --danger: #FF6B6B;
  --success: #4ECB71;
  --warning: #FFB84D;
  --border: #2D2D3A;

  /* Sizing */
  --header-height: 56px;
  --tab-height: 64px;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   App Container
   ============================================ */
.app {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  background: var(--bg-primary);
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--header-height);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  padding-top: var(--safe-area-top);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-center {
  flex: 1;
  text-align: center;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-primary);
}

.header-title {
  font-size: 16px;
  font-weight: 600;
}

.btn-back {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

/* ============================================
   Tab Bar
   ============================================ */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--tab-height);
  background: var(--bg-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: var(--safe-area-bottom);
  border-top: 1px solid var(--border);
  z-index: 100;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: all 0.2s;
}

.tab-item.active {
  color: var(--text-primary);
}

.tab-item.center {
  transform: scale(1.15);
  color: var(--accent-primary);
}

.tab-item.center .tab-icon {
  background: var(--accent-primary);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-icon {
  font-size: 20px;
  margin-bottom: 4px;
}

.tab-label {
  font-size: 10px;
  font-weight: 500;
}

.tab-badge {
  position: absolute;
  top: 0;
  right: 8px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}

/* ============================================
   Content Area
   ============================================ */
.content {
  padding-top: calc(var(--header-height) + var(--safe-area-top));
  padding-bottom: calc(var(--tab-height) + var(--safe-area-bottom));
  min-height: 100vh;
}

.content-no-header {
  padding-top: var(--safe-area-top);
}

.content-no-tab {
  padding-bottom: var(--safe-area-bottom);
}

/* ============================================
   Section
   ============================================ */
.section {
  padding: 16px;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 12px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-badge {
  background: var(--accent-primary);
  color: white;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 8px;
}

.card-body {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

/* ============================================
   List Items
   ============================================ */
.list {
  display: flex;
  flex-direction: column;
}

.list-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.list-item:hover {
  background: var(--bg-input);
}

.list-item-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: 12px;
  flex-shrink: 0;
}

.list-item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-item-content {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  margin-left: 12px;
}

.list-item-meta .time {
  font-size: 11px;
  color: var(--text-muted);
}

.list-item-meta .badge {
  background: var(--danger);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  flex: 1;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: #5a4bd4;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(108, 92, 231, 0.4);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(108, 92, 231, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(108, 92, 231, 0);
  }
}

/* ============================================
   Main Action (for center tab)
   ============================================ */
.main-action {
  position: fixed;
  bottom: calc(var(--tab-height) + 20px + var(--safe-area-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 64px);
  max-width: 366px;
}

.main-action .btn {
  width: 100%;
}

/* ============================================
   Overlay
   ============================================ */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Modal
   ============================================ */
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 24px;
  text-align: center;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  max-width: 320px;
  width: 90%;
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-message {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 8px;
}

.modal-actions .btn {
  flex: 1;
}

/* ============================================
   Bottom Sheet
   ============================================ */
.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  width: 100%;
  max-width: 430px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 1001;
  transition: transform 0.3s;
  padding-bottom: var(--safe-area-bottom);
}

.bottom-sheet.active {
  transform: translateX(-50%) translateY(0);
}

.bs-handle {
  width: 40px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 2px;
  margin: 12px auto;
}

.bs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px 16px;
  border-bottom: 1px solid var(--border);
}

.bs-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}

.bs-content {
  padding: 16px;
}

.bs-option {
  display: flex;
  align-items: center;
  padding: 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s;
}

.bs-option:hover {
  background: var(--bg-card);
}

.bs-option-icon {
  font-size: 20px;
  margin-right: 12px;
}

.bs-option-label {
  font-size: 15px;
}

/* ============================================
   Toast
   ============================================ */
.toast {
  position: fixed;
  bottom: calc(var(--tab-height) + 20px + var(--safe-area-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s;
  z-index: 1002;
  white-space: nowrap;
}

.toast.active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

/* ============================================
   Forms
   ============================================ */
.input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

.input:focus {
  border-color: var(--accent-primary);
}

.input::placeholder {
  color: var(--text-muted);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-message {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-primary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.p-16 { padding: 16px; }
.hidden { display: none; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }