:root {
  --bg: #070a17;
  --panel: rgba(14, 21, 45, 0.7);
  --line: rgba(255, 255, 255, 0.16);
  --text: #eef2ff;
  --hint: #b4bfdf;
  --primary: #8b5cf6;
  --primary-2: #ec4899;
  --danger: #fb7185;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 620px at 10% -10%, #1b2a52 0%, transparent 55%),
    radial-gradient(900px 600px at 100% 0%, #2b1f4d 0%, transparent 50%),
    linear-gradient(160deg, #060b18 0%, #0a1224 55%, #101a33 100%);
}

.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.7;
  background: radial-gradient(circle at 15% 18%, rgba(99, 102, 241, 0.2), transparent 36%),
    radial-gradient(circle at 80% 26%, rgba(168, 85, 247, 0.18), transparent 38%),
    radial-gradient(circle at 50% 86%, rgba(34, 211, 238, 0.12), transparent 34%);
}

.app-shell {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.glass {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.33);
}

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 18px;
  padding: 16px 20px;
  margin-bottom: 18px;
  position: sticky;
  top: 14px;
  z-index: 3;
}

.app-header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
}

.session-badge {
  margin-left: auto;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.18);
  border: 1px solid rgba(167, 139, 250, 0.46);
  font-size: 13px;
}

.panel {
  border-radius: 22px;
  padding: 24px;
}

#loginView {
  width: min(560px, 100%);
  margin: auto;
}

#loginView h2,
#loginView p {
  text-align: center;
}

#loginView .stack {
  margin: 0 auto;
}

h2 {
  margin-top: 0;
}

.stack {
  display: grid;
  gap: 10px;
  max-width: 480px;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 12px;
  padding: 11px 13px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: rgba(167, 139, 250, 0.8);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}

.primary-btn,
.ghost-btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn {
  color: white;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
}

.ghost-btn {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.hint {
  color: var(--hint);
  font-size: 14px;
}

.error-msg {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid rgba(251, 113, 133, 0.6);
  background: rgba(251, 113, 133, 0.12);
  color: #fecdd3;
  border-radius: 10px;
}

.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.character-card {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  padding: 15px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: 0.2s;
}

.character-card:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 139, 250, 0.8);
}

.chat-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stats-row {
  margin: 16px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  padding: 11px;
  background: rgba(255, 255, 255, 0.05);
}

.meter {
  margin-top: 8px;
  height: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
}

#favorabilityBar {
  height: 8px;
  width: 0;
  border-radius: 10px;
  background: linear-gradient(90deg, #22d3ee, #818cf8, #f472b6);
}

.chat-messages {
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 10, 25, 0.75);
  border-radius: 14px;
  padding: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 80%;
  padding: 10px 12px;
  border-radius: 12px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.msg.user {
  margin-left: auto;
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.33), rgba(236, 72, 153, 0.25));
  border: 1px solid rgba(167, 139, 250, 0.5);
}

.msg.bot {
  margin-right: auto;
  background: rgba(148, 163, 184, 0.13);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.msg.system {
  margin: 0 auto;
  background: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.45);
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  margin-top: 12px;
  gap: 8px;
}

.hidden {
  display: none !important;
}

@media (max-width: 700px) {
  .app-shell {
    padding: 12px;
  }

  #loginView {
    margin-top: 28px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }
}