:root {
  /* Primary Colors */
  --primary-color: #4CAF50;
  --primary-color-dark: #45a049;

  /* Semantic Colors */
  --success-color: #4CAF50;
  --danger-color: #f44336;
  --warning-color: #ff9800;
  --info-color: #2196F3;
  --secondary-color: #555;

  /* Neutral Colors */
  --white-color: #FFFFFF;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-500: #6C757D;
  --gray-700: #495057;
  --gray-900: #212529;
  
  /* UI Elements */
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --box-shadow-focus: 0 0 0 3px rgba(76, 175, 80, 0.3);

  /* Typography System */
  --font-size-base: 16px;
  --font-size-lg: 1.25rem;
  --font-size-md: 1.125rem;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-base: 1.6;

  /* Spacing System */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  margin: 0;
  background-color: var(--gray-100);
  color: var(--gray-700);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  display: flex;
  justify-content: center;
  padding: var(--spacing-md);
  min-height: 100vh;
  box-sizing: border-box;
}

.container {
  width: 100%;
  max-width: 800px;
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding: var(--spacing-lg);
  box-sizing: border-box;
}

.main-header {
  position: relative;
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid #eee;
}

.main-header h1 {
  color: #333;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  line-height: 1.4;
  padding-right: 150px;
  text-align: left;
}

.btn-readme {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-500);
  text-decoration: none;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  position: absolute;
  top: 10px;
  right: 10px;
}

.btn-readme:hover {
  background-color: var(--gray-100);
  color: var(--primary-color);
  border-color: var(--gray-300);
}

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  background-color: #f9f9f9;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  border: 1px solid #eee;
}

#total-amount-summary,
#total-tickets-summary {
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
}

#total-amount-summary:hover,
#total-tickets-summary:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

#total-amount-summary:hover::after,
#total-tickets-summary:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--gray-900);
  color: var(--white-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--spacing-xs);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  z-index: 10;
}

.summary-item h2 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--gray-500);
}

.summary-item p {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  font-feature-settings: "tnum";
}

.input-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
  width: 100%;
}

.form-group label {
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: #555;
}

.form-group input {
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  width: 100%;
  box-sizing: border-box;
  background-color: var(--white-color);
  color: var(--gray-900);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: #888;
  box-shadow: 0 0 5px rgba(136, 136, 136, 0.5);
}

.form-group input[type="number"] {
  text-align: right;
  appearance: textfield;
  -moz-appearance: textfield;
}
.form-group input[type="number"]::-webkit-inner-spin-button,
.form-group input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

div#autocomplete-box{
  z-index: 1010;
}

#autocomplete-box, 
#relation-suggestion-box,
#manual-relation-suggestion-box {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white-color);
  border: 1px solid var(--gray-200);
  border-top: none;
  z-index: 1000;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  max-height: 150px;
  overflow-y: auto;
  box-shadow: var(--box-shadow);
}

.autocomplete-item, .suggestion-item {
  padding: var(--spacing-sm) 12px;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.autocomplete-item:hover, .suggestion-item:hover {
  background-color: var(--gray-100);
}

button {
  padding: 12px var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

button:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

button:active {
  transform: scale(0.98);
  box-shadow: none;
}

#add-btn {
  background-color: var(--primary-color);
  color: var(--white-color);
  height: 42px;
  width: 100%;
}
#add-btn:hover {
    background-color: var(--primary-color-dark);
}

.button-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: var(--spacing-lg);
}

.manage-btn { background-color: #008CBA; color: var(--white-color); }
.export-btn { background-color: var(--danger-color); color: var(--white-color); }
.clear-btn { background-color: var(--secondary-color); color: var(--white-color); }

.guest-list-container { 
  overflow-x: auto;
  font-size: var(--font-size-sm);
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  -webkit-overflow-scrolling: touch; /* iOS 부드러운 스크롤 */
}

.guest-list { 
  width: 100%;
  min-width: 560px; /* 최소 너비 설정 */
  border-collapse: collapse;
  white-space: nowrap; /* 텍스트 줄바꿈 방지 */
  margin-bottom: 0; /* container에 margin이 있으므로 제거 */
}

.guest-list th,
.guest-list td {
  padding: 12px;
  padding-right: 20px;
  text-align: left;
  border-bottom: 1px solid #ddd;
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.guest-list th:first-child, .guest-list td:first-child {
  border-left: none;
}
.guest-list th:last-child, .guest-list td:last-child {
  border-right: none;
}

/* 구분 컬럼 스타일 */
.guest-list .ticket-type {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--white-color);
  text-align: center;
}

.guest-list .ticket-type.adult {
  background-color: var(--secondary-color);
}

.guest-list .ticket-type.child {
  background-color: var(--info-color);
}

.guest-list thead th { 
  background-color: #f2f2f2;
  font-weight: var(--font-weight-bold);
  color: #333;
  border-bottom-width: 2px;
  position: relative;
  padding-right: 30px;
}

.guest-list tbody tr:nth-child(even) {
  background-color: #f9f9f9;
}

.guest-list tbody tr:hover { 
  background-color: #f1f1f1; 
}

.guest-list th[data-sort] {
  cursor: pointer;
  user-select: none;
}
.guest-list th[data-sort]:hover {
  background-color: #e9e9e9;
}

.sort-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-300);
  display: inline-block;
  font-style: normal;
}

.guest-list th.sorted-asc .sort-icon,
.guest-list th.sorted-desc .sort-icon {
    color: var(--primary-color);
}
.guest-list th.sorted-asc .sort-icon::before {
  content: "\f0de";
}
.guest-list th.sorted-desc .sort-icon::before {
  content: "\f0dd";
}

.guest-list th:nth-child(3) .sort-icon,
.guest-list th:nth-child(5) .sort-icon {
  left: 10px;
}
.guest-list th:nth-child(3),
.guest-list th:nth-child(5) {
  padding-left: 10px;
}

.guest-list td:nth-child(1), .guest-list th:nth-child(1) { width: 30px; text-align: center; }
.guest-list td:nth-child(2), .guest-list th:nth-child(2) { width: 80px; text-align: center; white-space: normal; word-break: keep-all; }

/* Integration Test UI */
.integration-results {
  max-height: 320px;
  overflow: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  background: var(--gray-100);
}
.integration-results .test-pass { color: var(--success-color); }
.integration-results .test-fail { color: var(--danger-color); }
.integration-results h3 { margin: 12px 0 6px; font-size: var(--font-size-sm); }
.integration-results .log-line { font-size: var(--font-size-sm); }

/* Stat help/tooltip */
.stat-card h3 { display: flex; align-items: center; gap: 8px; }
.stat-card .info-icon {
  background: none;
  border: none;
  padding: 0;
  color: var(--gray-500);
  cursor: pointer;
}
.stat-card .info-icon:hover { color: var(--primary-color); }
.stat-help {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: var(--font-size-xs);
  color: var(--gray-700);
}
.stat-help .formula {
  display: inline-block;
  background: #fff;
  border-left: 3px solid var(--primary-color);
  padding: 6px 8px;
  margin-bottom: 6px;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-900);
}
.guest-list td:nth-child(3), .guest-list th:nth-child(3) { width: 100px; text-align: right; }
.guest-list td:nth-child(4), .guest-list th:nth-child(4) { width: 100px; text-align: center; }
.guest-list td:nth-child(5), .guest-list th:nth-child(5) { width: 30px; text-align: right; }
.guest-list td:nth-child(6), .guest-list th:nth-child(6) { width: 60px; text-align: center; }
.guest-list td:nth-child(7), .guest-list th:nth-child(7) { width: fit-content; text-align: center; }

.guest-list td:nth-child(3),
.guest-list td:nth-child(5) {
  font-feature-settings: "tnum";
}

.action-buttons { 
  display: flex; 
  flex-direction: row; 
  gap: 5px; 
  justify-content: center; 
}
.action-buttons button { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px; 
  margin: 0 5px; 
  padding: 7px;
  flex-grow: 0;
}
.action-buttons button .fa-solid,
.action-buttons button .fa-regular {
  font-size: 1.1em;
}
.action-buttons .placeholder {
    visibility: hidden;
    pointer-events: none;
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.memo-btn { background-color: var(--warning-color); color: var(--white-color); }
.edit-btn { background-color: var(--info-color); color: var(--white-color); }
.delete-btn { background-color: var(--danger-color); color: var(--white-color); }

.memo-btn:hover { background-color: #ec971f; }
.edit-btn:hover { background-color: #1c85d0; }
.delete-btn:hover { background-color: #c9302c; }

.memo-btn i, .delete-btn i { color: white; }
.edit-btn i { color: white; }

.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5);
  display: none; justify-content: center; align-items: center; z-index: 2000; padding: var(--spacing-md); box-sizing: border-box;
}
.modal-content {
  background: var(--white-color); padding: var(--spacing-lg); border-radius: var(--border-radius); width: 100%;
  max-width: 600px; box-shadow: var(--box-shadow); max-height: 90vh; overflow-y: auto;
  border-top: 5px solid var(--primary-color);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--gray-200);
  padding-bottom: var(--spacing-md); margin-bottom: var(--spacing-md);
}
.modal-header h2 { margin: 0; color: #333; font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); }
.modal-close { background: none; border: none; font-size: 1.5em; cursor: pointer; color: var(--gray-500); }
.modal-body small { display: block; margin-top: var(--spacing-sm); color: var(--gray-500); font-size: var(--font-size-xs); }

.modal-footer { display: flex; justify-content: flex-end; gap: 12px; padding-top: var(--spacing-md); margin-top: var(--spacing-md); border-top: 1px solid var(--gray-200); }
.modal-footer button { padding: var(--spacing-sm) 20px; font-weight: var(--font-weight-bold); border-radius: var(--border-radius); }

.tab-nav { display: flex; border-bottom: 1px solid var(--gray-200); margin-bottom: var(--spacing-md); }
.tab-nav button {
  background: none; border: none; padding: 12px var(--spacing-md); cursor: pointer; font-size: var(--font-size-sm);
  border-bottom: 3px solid transparent; color: var(--gray-500); font-weight: var(--font-weight-semibold);
}
.tab-nav button.active { border-bottom-color: var(--primary-color); color: var(--primary-color); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.manual-section { border: 1px solid var(--gray-200); border-radius: var(--border-radius); padding: var(--spacing-md); margin-bottom: var(--spacing-md); }
.json-preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-sm); }
.json-preview-header span { font-weight: var(--font-weight-semibold); font-size: var(--font-size-sm); color: var(--gray-500); }
.json-preview-header div { display: flex; gap: var(--spacing-sm); }
#copy-json-btn { background: none; border: none; color: var(--gray-500); cursor: pointer; padding: var(--spacing-xs); font-size: 1.1em; }
#clear-json-btn { background: none; border: none; color: var(--danger-color); cursor: pointer; padding: var(--spacing-xs); font-size: 1.1em; }
#json-preview {
  background-color: var(--gray-100); padding: var(--spacing-sm); border-radius: var(--border-radius); max-height: 150px;
  overflow-y: auto; white-space: pre-wrap; word-break: break-all; margin: 0; font-size: var(--font-size-sm); color: var(--gray-700);
}
.manual-input-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: var(--spacing-sm); align-items: flex-end; }
#manual-add-btn { height: 42px; padding: 0 20px; }

.stat-card { background-color: var(--gray-100); padding: var(--spacing-md); border-radius: var(--border-radius); border: 1px solid var(--gray-200); }
.stat-card h3 { margin: 0 0 var(--spacing-sm); font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); color: #555; border-bottom: 1px solid var(--gray-200); padding-bottom: var(--spacing-sm); }
.stat-card p { margin: 0; font-size: var(--font-size-md); font-weight: var(--font-weight-bold); color: #333; font-feature-settings: "tnum"; }
.stat-card span { font-size: var(--font-size-sm); color: var(--gray-500); font-feature-settings: "tnum"; }
#stats-modal-body, #ticket-stats-body { display: grid; grid-template-columns: 1fr; gap: var(--spacing-md); }
#ticket-stats-body .stat-card p, #ticket-stats-body .stat-card span { font-feature-settings: "tnum"; }

.progress-bar-container { background-color: var(--gray-200); border-radius: var(--spacing-xs); height: var(--spacing-sm); margin-top: 12px; overflow: hidden; position: relative; }
.progress-bar { height: 100%; width: 0%; background-color: var(--success-color); transition: width 0.3s ease, background-color 0.3s ease; }
.progress-bar.warning { background-color: var(--warning-color); }
.progress-bar.danger { background-color: var(--danger-color); }
.progress-bar-container::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--buffer-position, 100%); width: 2px; background-color: rgba(0, 0, 0, 0.4); }

.settings-toggle { background-color: var(--gray-100); padding: var(--spacing-md); border-radius: var(--border-radius); margin-bottom: var(--spacing-lg); border: 1px solid var(--gray-200); }
#settings-unlock-area { display: flex; flex-direction: column; gap: var(--spacing-md); }
#settings-unlock-area .form-group { margin-bottom: 0; }
#reset-password-link { font-size: var(--font-size-xs); color: var(--gray-500); text-align: center; text-decoration: none; }
#reset-password-link:hover { text-decoration: underline; }

.ticket-config-section { padding: 0; border: none; background-color: transparent; margin-bottom: 0; }
.ticket-config-section h3 { margin: 0 0 var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--gray-200); }
.config-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-md); }

.btn-danger { background-color: var(--danger-color); color: var(--white-color); }
.btn-danger:hover { opacity: 0.9; }
.btn-secondary { background-color: var(--white-color); color: var(--gray-700); border: 1px solid #ccc; }
.btn-secondary:hover { background-color: #f2f2f2; }

.empty-state { text-align: center; padding: var(--spacing-xl) var(--spacing-md); color: var(--gray-500); }
.empty-state i { font-size: 3em; margin-bottom: var(--spacing-md); opacity: 0.6; }
.empty-state h3 { margin: 0 0 var(--spacing-sm); font-size: var(--font-size-md); color: var(--gray-900); }
.empty-state p { margin: 0; font-size: var(--font-size-sm); }

#toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: var(--spacing-sm); }
.toast {
  display: flex; align-items: center; padding: 12px var(--spacing-md); border-radius: var(--border-radius);
  color: var(--white-color); font-weight: var(--font-weight-bold); box-shadow: var(--box-shadow); min-width: 250px;
  animation: toast-animation 3s ease-in-out forwards;
}
.toast i { margin-right: var(--spacing-sm); font-size: 1.2em; }
.toast.success { background-color: var(--success-color); }
.toast.error { background-color: var(--danger-color); }
.toast.info { background-color: var(--info-color); }
@keyframes toast-animation {
  0% { opacity: 0; transform: translateX(100%); }
  10%, 90% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(100%); }
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 250px;
  margin: 0 auto var(--spacing-lg);
}
.chart-empty-state {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-color: var(--gray-100);
  border-radius: 50%;
  color: var(--gray-500);
  padding: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}
.chart-empty-state i { font-size: 2em; margin-bottom: var(--spacing-sm); opacity: 0.6; }
.chart-empty-state.visible { display: flex; }

.form-toggle-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}
#form-toggle-btn {
  background-color: #f2f2f2;
  color: #555;
  border: 1px solid #ddd;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}
#form-toggle-btn i { transition: transform 0.3s ease; }
#form-toggle-btn.collapsed i { transform: rotate(180deg); }

.scroll-buttons {
  position: fixed;
  bottom: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.scroll-buttons button {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: rgba(0,0,0,0.5);
  color: var(--white-color);
  font-size: 1.1em;
  padding: 0;
  display: none;
  justify-content: center;
  align-items: center;
  box-shadow: var(--box-shadow);
}
.scroll-buttons button:hover {
  background-color: rgba(0,0,0,0.7);
}

#bmc-button-container {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1500;
}

.bmc-btn {
  font-size: 1.2rem !important;
  padding: 10px 15px !important;
  min-width: 150px !important;
}

.bmc-btn .bmc-btn-text::before {
  content:"후원하기";
}

#ticket-password {
  -webkit-text-security: disc;
}
input[type="password"] {
  font-family: "굴림";
}
input[type="password"]::placeholder {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
}

/* Utility Classes */
.w-100 {
  width: 100%;
}

/* --- Responsive Design --- */
@media (max-width: 900px) {
  .action-buttons button span {
    display: none;
  }
  .action-buttons button i {
    margin-right: 0;
  }
  .guest-list td:nth-child(6) {
    min-width: auto;
  }
}

@media (max-width: 768px) {
  body { padding: 0; }
  .container { border-radius: 0; box-shadow: none; padding: var(--spacing-md); }
  
  .main-header h1 {
    padding-right: 0;
    text-align: left;
  }
  .main-header .btn-readme {
    position: static;
    display: block;
    text-align: center;
    margin-top: 10px;
  }

  /* .summary { grid-template-columns: 1fr; } */
  .input-form { grid-template-columns: 1fr; }
  .button-group { grid-template-columns: 1fr; }

  .guest-list {
    min-width: 560px; /* 테이블 최소 너비 유지 */
  }
  
  .action-buttons { 
    flex-direction: column; 
  }

  #bmc-button-container {
    transition: 0.1s ease-out;
    top: 10px;
    right: 0px;
    height: fit-content;
    overflow-x: hidden;
    width: 100px;
    opacity: 0.65;
  }

  #bmc-button-container:hover {
    transition: 0.1s ease-in;
    opacity: 1;
  }

  .bmc-btn {
    font-size: 1rem !important;
    height: 35px !important;
  }

  .bmc-btn .bmc-btn-text::before {
    content:"후원하기";
    font-size: 0.8rem !important;
  }

  .guest-list .ticket-type {
    display: block;
    margin: var(--spacing-xs) 0px;
  }
}

@media (max-width: 480px) {
  .manual-input-grid { grid-template-columns: 1fr; }
  #manual-add-btn { width: 100%; }
  #stats-modal-body, #ticket-stats-body { grid-template-columns: 1fr; }

  /* .guest-list td:nth-child(3), .guest-list th:nth-child(3) {
    display: none;
  } */
}

/* style.css 파일 하단에 추가 */

/* --- 식권 입력 그룹 스타일 --- */
.input-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* When hidden, keep layout rules controlled by CSS (not inline display override) */
.input-form.hidden {
  display: none !important;
}

.form-group input {
  width: 100%;
  box-sizing: border-box;
}

.form-group.tickets-group-wrapper > label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* place total pill to the right in desktop layout */
@media (min-width: 768px) {
  .form-group.tickets-group-wrapper > label {
    justify-content: space-between;
  }
  .form-group.tickets-group-wrapper > label .total-tickets {
    margin-left: auto;
  }
}

.tickets-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  position: relative;
  padding: var(--spacing-sm);
  padding-bottom: calc(var(--spacing-sm) + 20px);
  background-color: var(--gray-100);
  border-radius: var(--border-radius);
}

.ticket-pair {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.ticket-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--white-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
}

.ticket-input-group label {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  margin-bottom: 0 !important;
  width: 20%;
}

.ticket-input {
  width: 100%;
  text-align: center;
  font-size: var(--font-size-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  background: var(--white-color);
}

.tickets-group::after {
  content: "총 " attr(data-total) "장";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--white-color);
  padding: 2px var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

@media (min-width: 768px) {
  .input-form {
    display: grid;
    grid-template-rows: auto auto;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .form-group.name-group {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
  }

  .form-group.amount-group {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .form-group.relation-group {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }

  .form-group.tickets-group-wrapper {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .form-group.memo-group {
    grid-column: 1 / -1;
    grid-row: 3 / 4;
  }

  .form-group.submit-group {
    grid-column: 1 / -1;
    grid-row: 4 / 5;
  }

  .tickets-group {
    display: flex;
    gap: var(--spacing-md);
    padding: 0;
    background: none;
  }

  .ticket-pair {
    display: flex;
    gap: var(--spacing-md);
  }

  .ticket-input-group {
    flex-direction: row;
    align-items: center;
    padding: 0;
    background: none;
    border: none;
  }

  .ticket-input {
    width: 80px;
  }

  .tickets-group::after {
    display: none;
  }

  .total-tickets {
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--white-color);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    margin-left: var(--spacing-xs);
    display: inline-block;
  }
}

/* Ensure mobile inputs are full width even if some desktop rules set fixed widths */
@media (max-width: 767px) {
  .form-group input,
  .ticket-input {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* make sure ticket-input-group items stack and allow inputs to grow */
  .ticket-input-group {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }

  /* .ticket-pair {
    grid-template-columns: 1fr !important;
  } */
}

.radio-group input[type="radio"] {
  display: none; /* 기본 라디오 버튼 숨기기 */
}

.radio-group label {
  flex-grow: 1;
  text-align: center;
  padding: 10px 0;
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-500);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.radio-group input[type="radio"]:checked + label {
  background-color: var(--primary-color);
  color: var(--white-color);
}

/* --- 식권 입력 그룹 스타일 --- */
.ticket-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.ticket-input-group #tickets {
  flex-basis: 50%; /* 입력창 너비를 50%로 제한 */
}

.radio-group {
  flex-grow: 1;
  display: flex;
  border: 1px solid #ccc; /* form-group input border와 통일 */
  border-radius: var(--border-radius);
  overflow: hidden;
}

.radio-group input[type="radio"] {
  display: none; /* 기본 라디오 버튼 숨기기 */
}

.radio-group label {
  flex-grow: 1;
  text-align: center;
  padding: 10px 0;
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-500);
  cursor: pointer;
  background-color: var(--white-color);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.radio-group input[type="radio"]:checked + label {
  background-color: var(--secondary-color);
  color: var(--white-color);
}