/* ========================================
   Mobile-First Clean Theme (mkt24 Style)
   ======================================== */

/* Pretendard Font */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* CSS Variables */
:root {
  /* Brand Colors */
  --primary-color: #4c76ff;
  --primary-hover: #3d5fd9;
  --primary-light: rgba(76, 118, 255, 0.1);

  /* Grayscale */
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #505050;
  --gray-600: #767676;
  --gray-500: #999999;
  --gray-400: #BDBDBD;
  --gray-300: #D9D9D9;
  --gray-200: #EEEEEE;
  --gray-100: #F9F9F9;
  --white: #FFFFFF;

  /* Semantic Colors */
  --success-color: #00C896;
  --warning-color: #FFA800;
  --danger-color: #FF4D4F;
  --info-color: #1890FF;

  /* Background */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-100);
  --bg-elevated: var(--white);

  /* Text Colors */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --text-tertiary: var(--gray-600);
  --text-placeholder: var(--gray-500);
  --text-disabled: var(--gray-400);

  /* Border & Divider */
  --border-color: var(--gray-300);
  --divider-color: var(--gray-200);

  /* Shadow */
  --shadow-sm: 0px 1px 3px 0px rgba(0, 0, 0, 0.06);
  --shadow-md: 0px 2px 8px 0px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0px 4px 16px 0px rgba(0, 0, 0, 0.12);

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 440px;
  --header-height: 56px;
  --bottom-nav-height: 76px;

  /* Transition */
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset & Base
   ======================================== */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", sans-serif;
  font-size: 0.875rem; /* 14px */
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  letter-spacing: -0.02em;
  overflow-x: hidden;
}

/* Mobile Container */
.mobile-container {
  max-width: var(--max-width);
  margin: 0 auto;
  background-color: var(--bg-primary);
  min-height: 100vh;
  position: relative;
  box-shadow: 0 0 0 1px var(--border-color);
  display: flex;
  flex-direction: column;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

h1 { font-size: 1.5rem; } /* 24px */
h2 { font-size: 1.25rem; } /* 20px */
h3 { font-size: 1.125rem; } /* 18px */
h4 { font-size: 1rem; } /* 16px */
h5 { font-size: 0.875rem; } /* 14px */
h6 { font-size: 0.75rem; } /* 12px */

p {
  margin: 0 0 var(--space-4) 0;
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

/* ========================================
   Header (Fixed Top)
   ======================================== */
.mobile-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: var(--max-width);
  width: 100%;
  height: var(--header-height);
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.mobile-header-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-header-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
}

.mobile-header-icon:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* ========================================
   Bottom Navigation
   ======================================== */
.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: var(--max-width);
  width: 100%;
  height: var(--bottom-nav-height);
  background-color: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  padding: var(--space-2) 0;
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom));
  z-index: 1000;
  box-shadow: 0px -2px 8px 0px rgba(0, 0, 0, 0.06);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  padding: var(--space-2) var(--space-1);
  border-radius: var(--radius-md);
}

.mobile-nav-item i {
  font-size: 1.5rem;
}

.mobile-nav-item.active {
  color: var(--primary-color);
}

.mobile-nav-item:active {
  transform: scale(0.95);
}

/* Center FAB */
.mobile-nav-item.fab {
  position: relative;
  top: -28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 2px;
}

.mobile-nav-item.fab .fab-button {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  margin: 0;
  margin-bottom: 0;
}

.mobile-nav-item.fab span {
  margin-top: 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
}

/* ========================================
   Main Content
   ======================================== */
.mobile-content {
  padding-top: var(--header-height);
  flex: 1;
}

.mobile-section {
  padding: var(--space-4);
}

/* ========================================
   Cards
   ======================================== */
.card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--divider-color);
}

/* Compact Card */
.card-compact {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-5);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

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

.btn-full {
  width: 100%;
}

.btn-sm {
  height: 36px;
  padding: 0 var(--space-4);
  font-size: 0.8125rem;
}

.btn-lg {
  height: 52px;
  padding: 0 var(--space-6);
  font-size: 1rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  font-size: 0.875rem;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: var(--bg-elevated);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
  color: var(--text-placeholder);
}

textarea.form-control {
  height: auto;
  min-height: 100px;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23767676' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Select dropdown options styling */
select.form-control option {
  background-color: white !important;
  color: var(--text-primary) !important;
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 500;
}

select.form-control option:hover,
select.form-control option:focus {
  background-color: var(--primary-light) !important;
  color: var(--primary-color) !important;
  font-weight: 600;
}

select.form-control option:checked {
  background-color: var(--primary-color) !important;
  color: white !important;
  font-weight: 700;
}

/* Force dropdown menu background */
select {
  background-color: white !important;
}

select:focus {
  background-color: white !important;
}

/* Mobile select appearance fix */
@supports (-webkit-touch-callout: none) {
  select.form-control {
    background-color: white !important;
  }

  select.form-control option {
    background: white !important;
    color: var(--text-primary) !important;
  }
}

.form-helper {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.form-check input {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.form-check label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

/* ========================================
   List
   ======================================== */
.list {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.list-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--divider-color);
  transition: background-color var(--transition);
  cursor: pointer;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:active {
  background-color: var(--bg-secondary);
}

.list-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
}

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

.list-item-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.list-item-subtitle {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.list-item-action {
  color: var(--text-tertiary);
}

/* ========================================
   Badge & Tag
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  padding: 0 var(--space-2);
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-full);
}

.badge-success {
  background-color: rgba(0, 200, 150, 0.1);
  color: var(--success-color);
}

.badge-warning {
  background-color: rgba(255, 168, 0, 0.1);
  color: var(--warning-color);
}

.badge-danger {
  background-color: rgba(255, 77, 79, 0.1);
  color: var(--danger-color);
}

/* ========================================
   Alert
   ======================================== */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.alert-info {
  background-color: rgba(24, 144, 255, 0.1);
  color: var(--info-color);
}

.alert-success {
  background-color: rgba(0, 200, 150, 0.1);
  color: var(--success-color);
}

.alert-warning {
  background-color: rgba(255, 168, 0, 0.1);
  color: var(--warning-color);
}

.alert-danger {
  background-color: rgba(255, 77, 79, 0.1);
  color: var(--danger-color);
}

/* ========================================
   Stats
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.stat-card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ========================================
   Divider
   ======================================== */
.divider {
  height: 1px;
  background-color: var(--divider-color);
  margin: var(--space-6) 0;
}

.divider-thick {
  height: 8px;
  background-color: var(--bg-secondary);
  margin: 0 calc(var(--space-4) * -1);
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-4);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary-color { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.hidden { display: none; }

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 440px) {
  .mobile-container {
    max-width: 100%;
  }

  .mobile-header,
  .mobile-bottom-nav {
    max-width: 100%;
  }
}

/* ========================================
   Safe Area (iOS)
   ======================================== */
@supports (padding: env(safe-area-inset-top)) {
  .mobile-header {
    padding-top: calc(var(--space-2) + env(safe-area-inset-top));
    height: calc(var(--header-height) + env(safe-area-inset-top));
  }

  .mobile-content {
    padding-top: calc(var(--header-height) + env(safe-area-inset-top));
  }
}

/* ========================================
   Select2 Dropdown - Toss Style
   ======================================== */
.select2-container {
  width: 100% !important;
}

.select2-container--default .select2-selection--single {
  background-color: white !important;
  border: 1px solid #DFE3E8 !important;
  border-radius: 12px !important;
  height: 48px !important;
  padding: 14px 16px !important;
  display: flex !important;
  align-items: center !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04) !important;
  transition: all 0.2s ease !important;
}

.select2-container--default .select2-selection--single:hover,
.select2-container--default .select2-selection--single:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 2px 8px rgba(76, 118, 255, 0.15) !important;
}

.select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--primary-color) !important;
  box-shadow: 0 2px 8px rgba(76, 118, 255, 0.15) !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--text-primary) !important;
  font-size: 0.875rem !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
  padding: 0 !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 46px !important;
  right: 12px !important;
  top: 1px !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow b {
  border-color: var(--text-tertiary) transparent transparent transparent !important;
  border-style: solid !important;
  border-width: 6px 5px 0 5px !important;
  height: 0 !important;
  left: 50% !important;
  margin-left: -5px !important;
  margin-top: -3px !important;
  position: absolute !important;
  top: 50% !important;
  width: 0 !important;
}

.select2-container--default.select2-container--open .select2-selection--single .select2-selection__arrow b {
  border-color: transparent transparent var(--text-tertiary) transparent !important;
  border-width: 0 5px 6px 5px !important;
}

/* Dropdown */
.select2-dropdown {
  background-color: white !important;
  border: 1px solid #E8ECEF !important;
  border-radius: 12px !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
  overflow: hidden !important;
  margin-top: 4px !important;
}

.select2-container--default .select2-results__option {
  padding: 12px 16px !important;
  font-size: 0.8125rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  background-color: white !important;
  transition: all 0.15s ease !important;
}

.select2-container--default .select2-results__option--highlighted[aria-selected],
.select2-container--default .select2-results__option--highlighted[aria-selected]:hover {
  background-color: #F8F9FB !important;
  color: var(--primary-color) !important;
}

.select2-container--default .select2-results__option[aria-selected=true] {
  background-color: var(--primary-light) !important;
  color: var(--primary-color) !important;
  font-weight: 700 !important;
}

.select2-container--default .select2-results__option[aria-selected=true]:hover {
  background-color: var(--primary-light) !important;
  color: var(--primary-color) !important;
}

/* Search Box */
.select2-search--dropdown {
  padding: 12px !important;
  background-color: white !important;
  border-bottom: 1px solid #F0F2F5 !important;
}

.select2-search__field {
  border: 1px solid #DFE3E8 !important;
  border-radius: 10px !important;
  padding: 10px 12px !important;
  font-size: 0.875rem !important;
  width: 100% !important;
  background-color: #F8F9FB !important;
  transition: all 0.2s ease !important;
}

.select2-search__field:focus {
  outline: none !important;
  border-color: var(--primary-color) !important;
  background-color: white !important;
  box-shadow: 0 0 0 3px rgba(76, 118, 255, 0.1) !important;
}

.select2-search__field::placeholder {
  color: var(--text-tertiary) !important;
  font-size: 0.875rem !important;
}

/* Results Container */
.select2-results__options {
  max-height: 280px !important;
  overflow-y: auto !important;
}

/* Fix for hidden select */
.select2-hidden-accessible {
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
  height: 1px !important;
  margin: -1px !important;
  overflow: hidden !important;
  padding: 0 !important;
  position: absolute !important;
  width: 1px !important;
}

/* Mobile specific adjustments */
@media (max-width: 440px) {
  .select2-dropdown {
    max-width: calc(100vw - 32px) !important;
  }
}

/* ========================================
   KakaoTalk Floating Button
   ======================================== */
.kakao-floating-button {
  position: fixed !important;
  bottom: calc(var(--bottom-nav-height) + var(--space-4)) !important;
  right: var(--space-4) !important;
  width: 56px !important;
  height: 56px !important;
  background: linear-gradient(135deg, #FEE500, #FFD600) !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  z-index: 9999 !important;
  text-decoration: none !important;
  transition: transform 0.2s ease !important;
}

/* Desktop: position within viewport but aligned to container */
@media (min-width: 441px) {
  .kakao-floating-button {
    right: calc(50vw - var(--max-width) / 2 + var(--space-4)) !important;
  }
}

.kakao-floating-button:hover {
  transform: scale(1.05) !important;
  text-decoration: none !important;
}

.kakao-floating-button:active {
  transform: scale(0.95) !important;
}