:root {
  /* Lovely & Modern Pink Theme */
  --bg-color: #180914;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(244, 114, 182, 0.25) 0px, transparent 50%),
                 radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.2) 0px, transparent 50%),
                 radial-gradient(at 50% 50%, rgba(251, 113, 133, 0.1) 0px, transparent 50%);
  --card-bg: rgba(43, 16, 34, 0.72);
  --card-border: rgba(244, 114, 182, 0.2);
  
  --primary: #ec4899;
  --primary-hover: #db2777;
  --primary-glow: rgba(236, 72, 153, 0.45);
  
  --accent-base: #f9a8d4;     /* 부드러운 파스텔 핑크 */
  --accent-target: #f43f5e;   /* 선명한 로즈 핑크 */
  --accent-user: #c084fc;     /* 바이올렛 핑크 */
  --accent-diff: #fde047;     /* 옐로우 골드 */
  
  --text-main: #fff1f2;
  --text-sub: #fbcfe8;
  --text-muted: #f472b6;
  --text-dim: #fda4af;
  
  --radius-lg: 18px;
  --radius-md: 12px;
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px 16px;
}

.container {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.app-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 12px rgba(236, 72, 153, 0.8));
}

.logo h1 {
  font-size: 1.65rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 10%, #fbcfe8 60%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.game-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.stat-pill {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.08);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-sub);
  font-weight: 600;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 10px rgba(244, 114, 182, 0.4);
}

.stat-total {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Mode Selector */
.mode-selector-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.modes {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.mode-btn {
  background: rgba(244, 114, 182, 0.1);
  border: 1px solid rgba(244, 114, 182, 0.15);
  color: var(--text-sub);
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.mode-btn:hover {
  background: rgba(244, 114, 182, 0.2);
  color: #ffffff;
}

.mode-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 0 14px var(--primary-glow);
}

.game-options {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Toggle Switch */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-sub);
  user-select: none;
}

.toggle-switch input {
  display: none;
}

.slider {
  width: 34px;
  height: 19px;
  background: rgba(244, 114, 182, 0.25);
  border-radius: 20px;
  position: relative;
  transition: 0.3s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .slider {
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.toggle-switch input:checked + .slider::before {
  transform: translateX(15px);
}

.icon-btn {
  background: rgba(244, 114, 182, 0.12);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-main);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: 0.2s;
}

.icon-btn:hover {
  background: rgba(244, 114, 182, 0.25);
}

/* Canvas Card */
.canvas-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 32px rgba(236, 72, 153, 0.12);
}

.canvas-header {
  width: 100%;
  text-align: center;
}

.instruction-badge {
  display: inline-block;
  background: rgba(236, 72, 153, 0.18);
  border: 1px solid rgba(244, 114, 182, 0.35);
  color: #fce7f3;
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(236, 72, 153, 0.15);
}

.canvas-container {
  position: relative;
  width: 100%;
  max-width: 520px;
  height: 380px;
  background: #140510;
  border-radius: 14px;
  border: 1px solid rgba(244, 114, 182, 0.2);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 0 20px rgba(236, 72, 153, 0.08);
}

#angleCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Result Banner Overlay on Canvas */
.result-banner {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  background: rgba(29, 9, 23, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(244, 114, 182, 0.35);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 15px rgba(236, 72, 153, 0.2);
  z-index: 10;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}

.banner-badge {
  font-size: 1.05rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 8px;
  letter-spacing: 0.5px;
}

.banner-badge.perfect { background: #ec4899; color: white; box-shadow: 0 0 16px rgba(236, 72, 153, 0.8); }
.banner-badge.great   { background: #f43f5e; color: white; box-shadow: 0 0 16px rgba(244, 63, 94, 0.8); }
.banner-badge.good    { background: #a855f7; color: white; box-shadow: 0 0 16px rgba(168, 85, 247, 0.8); }
.banner-badge.close   { background: #f59e0b; color: white; box-shadow: 0 0 16px rgba(245, 158, 11, 0.8); }
.banner-badge.miss    { background: #64748b; color: white; box-shadow: 0 0 10px rgba(100, 116, 139, 0.6); }

.banner-details {
  display: flex;
  gap: 14px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.detail-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.detail-item .lbl {
  font-size: 0.7rem;
  color: var(--text-sub);
}

.detail-item .val {
  font-weight: 700;
  font-size: 1rem;
}

.user-val { color: var(--accent-user); }
.actual-val { color: var(--accent-target); }
.diff-val { color: var(--accent-diff); }
.score-val { color: #f472b6; }

/* Legend */
.canvas-legend {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-sub);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.base-ray { background: var(--accent-base); box-shadow: 0 0 8px var(--accent-base); }
.target-ray { background: var(--accent-target); box-shadow: 0 0 8px var(--accent-target); }
.user-ray { background: var(--accent-user); box-shadow: 0 0 8px var(--accent-user); }

/* Controls Card */
.control-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.guess-form {
  display: flex;
  gap: 10px;
}

.input-wrapper {
  position: relative;
  flex: 1;
}

.input-wrapper input {
  width: 100%;
  background: rgba(20, 5, 16, 0.85);
  border: 2px solid rgba(244, 114, 182, 0.25);
  border-radius: var(--radius-md);
  padding: 12px 36px 12px 16px;
  font-size: 1.3rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
  outline: none;
  transition: all 0.2s ease;
}

.input-wrapper input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 18px var(--primary-glow);
  background: rgba(25, 7, 20, 1);
}

.unit-deg {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-muted);
  pointer-events: none;
}

.action-btn {
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

.primary-btn {
  background: linear-gradient(135deg, #ec4899, #db2777);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.primary-btn:hover {
  background: linear-gradient(135deg, #f472b6, #ec4899);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.primary-btn:active {
  transform: translateY(1px);
}

.next-btn {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  color: white;
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.5);
  animation: pulsePink 1.5s infinite;
}

@keyframes pulsePink {
  0% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(244, 63, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

.next-btn:hover {
  background: linear-gradient(135deg, #fb7185, #f43f5e);
}

.secondary-btn {
  background: rgba(244, 114, 182, 0.1);
  color: var(--text-sub);
  border: 1px solid var(--card-border);
}

.secondary-btn:hover {
  background: rgba(244, 114, 182, 0.2);
  color: #ffffff;
}

/* Quick Number Buttons */
.quick-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.quick-btn {
  flex: 1;
  min-width: 50px;
  background: rgba(244, 114, 182, 0.08);
  border: 1px solid rgba(244, 114, 182, 0.15);
  border-radius: 6px;
  padding: 6px 4px;
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s;
}

.quick-btn:hover {
  background: rgba(236, 72, 153, 0.25);
  color: #fff;
  border-color: rgba(236, 72, 153, 0.5);
}

/* History Card */
.history-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

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

.history-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fdf2f8;
}

.history-count {
  font-size: 0.8rem;
  color: var(--text-sub);
}

.history-table-container {
  max-height: 180px;
  overflow-y: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(244, 114, 182, 0.12);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: center;
}

.history-table th {
  background: rgba(25, 7, 20, 0.95);
  padding: 8px 10px;
  color: var(--text-sub);
  font-weight: 600;
  position: sticky;
  top: 0;
  border-bottom: 1px solid rgba(244, 114, 182, 0.2);
}

.history-table td {
  padding: 8px 10px;
  border-top: 1px solid rgba(244, 114, 182, 0.08);
  font-family: var(--font-mono);
}

.history-table tr:hover {
  background: rgba(244, 114, 182, 0.06);
}

.empty-row td {
  padding: 24px;
  color: var(--text-sub);
  font-family: var(--font-main);
}

.badge-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-tag.tag-perfect { background: rgba(236, 72, 153, 0.25); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.4); }
.badge-tag.tag-great   { background: rgba(244, 63, 94, 0.25); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.4); }
.badge-tag.tag-good    { background: rgba(168, 85, 247, 0.25); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.4); }
.badge-tag.tag-close   { background: rgba(245, 158, 11, 0.25); color: #fde047; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-tag.tag-miss    { background: rgba(100, 116, 139, 0.25); color: #cbd5e1; border: 1px solid rgba(100, 116, 139, 0.4); }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 3, 12, 0.82);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: #230b1c;
  border: 1px solid rgba(244, 114, 182, 0.3);
  border-radius: 22px;
  padding: 28px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(236, 72, 153, 0.25);
  animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleUp {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #fff1f2;
}

.modal-grade {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, #f472b6, #ec4899, #fb7185);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 15px rgba(236, 72, 153, 0.5));
}

.modal-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.modal-stat {
  background: rgba(14, 4, 11, 0.7);
  border: 1px solid rgba(244, 114, 182, 0.15);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m-lbl {
  font-size: 0.75rem;
  color: var(--text-sub);
}

.m-val {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: #fff;
  text-shadow: 0 0 8px rgba(244, 114, 182, 0.3);
}

.feedback-comment {
  font-size: 0.95rem;
  color: #fce7f3;
  margin-bottom: 22px;
  line-height: 1.5;
}

.full-width {
  width: 100%;
}

/* Footer */
.app-footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-sub);
  padding: 8px 0;
}

.hidden {
  display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(20, 5, 16, 0.4);
}
::-webkit-scrollbar-thumb {
  background: rgba(244, 114, 182, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(236, 72, 153, 0.6);
}

@media (max-width: 540px) {
  .game-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .banner-details {
    flex-direction: column;
    gap: 4px;
  }
  .result-banner {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}