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

body {
  font-family: "DM Sans", sans-serif;
  background: #faf9f6;
  color: #1a1a1a;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.container {
  max-width: 480px;
  width: 100%;
}

/* Screens */
.screen {
  display: none;
  animation: fadeIn 0.4s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Input Screen */
.hero-img {
  display: block;
  margin: 0 auto 12px;
  width: 120px;
  height: auto;
}

.title {
  font-family: "DM Serif Display", serif;
  font-size: 3rem;
  font-weight: 400;
  text-align: center;
  margin-bottom: 8px;
}

.subtitle {
  text-align: center;
  color: #666;
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group input {
  flex: 1;
  padding: 14px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.2s;
  outline: none;
}

.input-group input:focus {
  border-color: #1db954;
}

.input-group input::placeholder {
  color: #bbb;
}

.input-group button {
  padding: 14px 24px;
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}

.input-group button:hover {
  background: #333;
}

.input-group button:active {
  transform: scale(0.97);
}

.input-group button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.error {
  color: #e74c3c;
  font-size: 0.85rem;
  text-align: center;
  margin-top: 12px;
  min-height: 20px;
}

.disclaimer {
  text-align: center;
  color: #bbb;
  font-size: 0.75rem;
  margin-top: 32px;
}

/* Loading Screen */
#screen-loading {
  text-align: center;
}

.loader {
  width: 48px;
  height: 48px;
  border: 3px solid #e0e0e0;
  border-top-color: #1a1a1a;
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  color: #888;
  font-size: 0.95rem;
}

/* Result Screen */
#screen-result {
  text-align: center;
}

.result-label {
  color: #888;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.iq-number {
  font-family: "DM Serif Display", serif;
  font-size: 7rem;
  font-weight: 400;
  line-height: 1;
  margin-bottom: 8px;
}

.verdicts {
  list-style: none;
  padding: 0 12px;
  margin-bottom: 32px;
}

.verdicts li {
  color: #666;
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
  text-align: left;
}

.verdicts li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  color: #ccc;
}

.playlist-info {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 24px;
  text-align: left;
}

.playlist-info img {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
}

.playlist-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.playlist-meta {
  color: #999;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* Genre Breakdown */
.breakdown {
  text-align: left;
  margin-bottom: 20px;
}

.breakdown h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999;
  margin-bottom: 12px;
}

.genre-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.genre-bar .label {
  font-size: 0.8rem;
  color: #555;
  width: 140px;
  text-align: right;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.genre-bar .bar-track {
  flex: 1;
  height: 8px;
  background: #f0f0f0;
  border-radius: 4px;
  overflow: hidden;
}

.genre-bar .bar-fill {
  height: 100%;
  border-radius: 4px;
  background: #1a1a1a;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.genre-bar .score {
  font-size: 0.75rem;
  color: #999;
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* Modifiers */
.modifiers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.modifier-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: #f0f0f0;
  color: #666;
}

.modifier-tag.positive {
  background: #e8f5e9;
  color: #2e7d32;
}

.modifier-tag.negative {
  background: #fce4ec;
  color: #c62828;
}

/* Secondary Button */
.secondary-btn {
  padding: 12px 28px;
  background: none;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.secondary-btn:hover {
  border-color: #1a1a1a;
  color: #1a1a1a;
}

/* Responsive */
@media (max-width: 500px) {
  .title {
    font-size: 2.4rem;
  }

  .iq-number {
    font-size: 5rem;
  }

  .input-group {
    flex-direction: column;
  }

  .genre-bar .label {
    width: 100px;
    font-size: 0.75rem;
  }
}