/* =========================================================
   main.css - 오피스 더비 글로벌 디자인 시스템 & 설정 화면 스타일
   ========================================================= */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-glass: rgba(30, 41, 59, 0.85);

  --accent-gold: #F59E0B;
  --accent-gold-hover: #D97706;
  --accent-emerald: #10B981;
  --accent-rose: #F43F5E;
  --accent-blue: #3B82F6;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(245, 158, 11, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(245, 158, 11, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 28px;
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.logo-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-badge {
  font-size: 11px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-gold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-gold);
  transform: translateY(-1px);
}

.icon-btn.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Main Container */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* Views */
.view-section {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Setup View - 프리미엄 디자인 시스템 & 고도화 스타일
   ========================================================= */

.setup-hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-gold);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.setup-hero h1 {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.8px;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #FFFFFF 20%, #E2E8F0 60%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 14px;
}

.hero-feature-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.feat-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 600;
}

.setup-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 860px) {
  .setup-grid {
    grid-template-columns: 1fr;
  }
}

/* Glass Card */
.glass-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.85) 0%, rgba(15, 23, 42, 0.92) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
}

.card-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 14px;
}

.card-title .title-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.participant-count {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.card-quick-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-action {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-action:hover {
  transform: translateY(-1px);
}

.btn-action.cyan {
  color: #38BDF8;
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.08);
}
.btn-action.cyan:hover {
  background: rgba(56, 189, 248, 0.18);
  border-color: #38BDF8;
  color: #FFFFFF;
}

.btn-action.gold {
  color: var(--accent-gold);
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.08);
}
.btn-action.gold:hover {
  background: rgba(245, 158, 11, 0.18);
  border-color: var(--accent-gold);
  color: #FFFFFF;
}

.btn-action.danger {
  color: #F87171;
  border-color: rgba(248, 113, 113, 0.3);
  background: rgba(248, 113, 113, 0.08);
}
.btn-action.danger:hover {
  background: rgba(248, 113, 113, 0.18);
  border-color: #F87171;
  color: #FFFFFF;
}

/* Button Loading & Spinner Animations */
.btn-action.btn-loading,
.btn-secondary.btn-loading,
.btn-primary.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.15), rgba(168, 85, 247, 0.25), rgba(6, 182, 212, 0.15)) !important;
  background-size: 200% 100% !important;
  animation: btn-loading-shimmer 1.4s infinite linear !important;
  border-color: rgba(56, 189, 248, 0.5) !important;
  color: #38BDF8 !important;
}

@keyframes btn-loading-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.ai-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #38BDF8;
  border-radius: 50%;
  animation: spin-clockwise 0.7s linear infinite;
  vertical-align: middle;
}

/* Preset Section */
.preset-section {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 18px;
}

.preset-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.preset-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.btn-preset-save {
  background: transparent;
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-gold);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-preset-save:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-gold);
  color: #FFFFFF;
}

.preset-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(51, 65, 85, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.preset-chip:hover {
  background: rgba(245, 158, 11, 0.18);
  border-color: var(--accent-gold);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.preset-chip-title {
  cursor: pointer;
}

.preset-chip-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  padding: 0 2px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.preset-chip-del:hover {
  color: var(--accent-rose);
}

/* Single Input Form */
.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.styled-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.8);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 12px 14px 12px 38px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  outline: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.styled-input:focus {
  border-color: var(--accent-gold);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, #F59E0B, #EA580C);
  color: #FFFFFF;
  border: none;
  font-weight: 800;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.4);
}

/* Bulk Paste Box */
.bulk-paste-details {
  margin-bottom: 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: border-color 0.2s;
}

.bulk-paste-details[open] {
  border-color: rgba(245, 158, 11, 0.4);
}

.bulk-paste-details summary {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.bulk-textarea {
  width: 100%;
  height: 65px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  margin-top: 10px;
  resize: vertical;
  outline: none;
}

.bulk-textarea:focus {
  border-color: var(--accent-gold);
}

.btn-bulk-submit {
  width: 100%;
  margin-top: 8px;
  background: rgba(51, 65, 85, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-bulk-submit:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--accent-gold);
}

/* Participant List */
.participant-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
}

.participant-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.participant-item:hover {
  border-color: rgba(245, 158, 11, 0.45);
  background: rgba(15, 23, 42, 0.95);
  transform: translateX(2px);
}

.horse-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.horse-number-badge {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 12.5px;
  color: #FFFFFF;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.horse-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.horse-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.horse-name {
  font-weight: 800;
  font-size: 14.5px;
  color: #FFFFFF;
}

.horse-draft-badge {
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: var(--accent-cyan);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  transition: all 0.2s;
}

.horse-draft-badge:hover {
  background: rgba(6, 182, 212, 0.22);
  border-color: var(--accent-cyan);
  color: #FFFFFF;
}

.horse-ai-btn {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-gold);
  padding: 2px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.horse-ai-btn:hover {
  background: rgba(245, 158, 11, 0.25);
  border-color: var(--accent-gold);
  color: #FFFFFF;
}

.horse-sub-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.horse-nick {
  font-size: 11.5px;
  font-weight: 600;
  color: #94A3B8;
}

.delete-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.delete-btn:hover {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.12);
}

/* =========================================================
   Right Panel: Rules & Course Setup
   ========================================================= */

.rule-group {
  margin-bottom: 20px;
}

.rule-label {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
  color: #E2E8F0;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

.radio-cards {
  display: grid;
  gap: 10px;
}

.mode-cards {
  grid-template-columns: 1fr 1fr;
}

.penalty-cards {
  grid-template-columns: 1fr 1fr;
}

.radio-card {
  position: relative;
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.radio-card input {
  position: absolute;
  opacity: 0;
}

.radio-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(15, 23, 42, 0.9);
  transform: translateY(-1px);
}

.radio-card.active, .radio-card:has(input:checked) {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 0 0 1px var(--accent-gold), 0 4px 16px rgba(245, 158, 11, 0.15);
}

.radio-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 9.5px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.item-badge {
  background: rgba(239, 68, 68, 0.2);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.speed-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.radio-title {
  font-size: 13.5px;
  font-weight: 800;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 4px;
}

.radio-desc {
  font-size: 11.5px;
  color: #94A3B8;
  line-height: 1.4;
}

/* Distance selector */
.distance-select {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.distance-btn {
  background: rgba(15, 23, 42, 0.7);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 10px 6px;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}

.distance-btn:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(15, 23, 42, 0.9);
}

.distance-btn.active {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--accent-emerald);
  box-shadow: 0 0 0 1px var(--accent-emerald), 0 4px 14px rgba(16, 185, 129, 0.15);
}

.dist-name {
  font-size: 13px;
  font-weight: 800;
  color: #FFFFFF;
}

.distance-btn.active .dist-name {
  color: var(--accent-emerald);
}

.dist-desc {
  font-size: 10.5px;
  font-weight: 600;
  color: #94A3B8;
}

/* Toggle Option Row */
.lottery-option-row {
  margin-top: 14px;
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
}

.toggle-container {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.toggle-container input {
  display: none;
}

.toggle-switch {
  width: 36px;
  height: 20px;
  background: #334155;
  border-radius: var(--radius-full);
  position: relative;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-container input:checked + .toggle-switch {
  background: var(--accent-gold);
}

.toggle-container input:checked + .toggle-switch::after {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 12.5px;
  color: #E2E8F0;
}

/* Cost Estimate Summary Box */
.cost-estimate-box {
  margin-top: 18px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(234, 88, 12, 0.05) 100%);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cost-icon {
  font-size: 24px;
}

.cost-details {
  flex: 1;
}

.cost-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cost-calc {
  font-size: 13.5px;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 1px;
}

/* Big Start Button */
.start-cta-container {
  margin-top: 22px;
}

.start-race-btn {
  width: 100%;
  padding: 16px 20px;
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 8px 24px -4px rgba(16, 185, 129, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.start-race-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(16, 185, 129, 0.55);
  filter: brightness(1.08);
}

.start-race-btn:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

.btn-arrow {
  font-size: 16px;
  transition: transform 0.2s ease;
}

.start-race-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* =========================================================
   Mobile Optimization Media Queries (< 768px & < 480px)
   ========================================================= */

@media (max-width: 768px) {
  .app-header {
    padding: 10px 14px;
  }

  .logo-container {
    gap: 8px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 20px;
    border-radius: var(--radius-sm);
  }

  .logo-title {
    font-size: 16px;
  }

  .logo-badge {
    font-size: 10px;
    padding: 1px 6px;
  }

  .header-controls {
    gap: 8px;
  }

  .icon-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .main-content {
    padding: 14px 12px calc(24px + env(safe-area-inset-bottom, 16px));
  }

  .setup-hero {
    margin-bottom: 18px;
  }

  .setup-hero h1 {
    font-size: 22px;
  }

  .setup-hero p {
    font-size: 13px;
  }

  .setup-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .glass-card {
    padding: 16px 14px;
    border-radius: var(--radius-md);
  }

  .card-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-title .title-left {
    width: 100%;
    justify-content: space-between;
  }

  .preset-bar {
    padding-bottom: 4px;
  }

  .styled-input {
    font-size: 16px; /* iOS 자동 줌 방지 */
    padding: 10px 12px;
  }

  .btn-primary {
    padding: 10px 16px;
    font-size: 14px;
  }

  .participant-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
  }

  .horse-name-row {
    flex-wrap: wrap;
    gap: 6px;
  }

  .horse-draft-badge {
    font-size: 11px;
    padding: 3px 8px;
  }

  .radio-cards {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .distance-select {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .distance-btn {
    padding: 10px 4px;
    font-size: 12px;
  }

  .start-race-btn {
    padding: 15px;
    font-size: 16px;
    min-height: 52px;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 420px) {
  .logo-badge {
    display: none; /* 초소형 화면에서 배지 숨김 */
  }

  .card-title div[style*="flex"] {
    width: 100%;
    justify-content: space-between;
  }

  .card-title div[style*="flex"] button {
    flex: 1;
    text-align: center;
    justify-content: center;
  }
}