* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(140% 160% at 0% 0%, rgba(59,130,246,0.08), transparent 42%),
    radial-gradient(140% 140% at 100% 0%, rgba(6,182,212,0.08), transparent 42%),
    #020617;
  color: #e5e7eb;
  min-height: 100vh;
}
.app-shell {
  padding: 24px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.app-shell::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 340px;
  background: radial-gradient(circle at 30% 22%, rgba(79,70,229,0.16), transparent 42%),
              radial-gradient(circle at 70% 12%, rgba(6,182,212,0.14), transparent 38%);
  filter: blur(42px);
  opacity: 0.8;
  pointer-events: none;
}
.app-shell > * { position: relative; z-index: 1; }
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 16px 72px;
  position: relative;
  background: radial-gradient(circle at 50% 10%, #0f172a 0, #020617 55%, #020617 100%);
}
.auth-page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 18%, rgba(99,102,241,0.35), transparent 55%),
    radial-gradient(circle at 30% 10%, rgba(59,130,246,0.12), transparent 50%),
    radial-gradient(circle at 70% 8%, rgba(6,182,212,0.12), transparent 50%);
  filter: blur(18px);
  opacity: 0.9;
}
.auth-stage {
  width: 100%;
  max-width: 1040px;
  min-height: 520px;
  border-radius: 32px;
  background: rgba(15,23,42,0.75);
  border: 1px solid rgba(148,163,184,0.25);
  box-shadow: 0 40px 80px rgba(15,23,42,0.9);
  backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.auth-stage::before,
.auth-stage::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  filter: blur(38px);
  opacity: 0.6;
  z-index: 0;
  animation: drift 26s ease-in-out infinite alternate;
}
.auth-stage::before {
  top: -80px;
  left: -60px;
}
.auth-stage::after {
  bottom: -120px;
  right: -40px;
  animation-duration: 30s;
}
.auth-card-wrap {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.main-page {
  padding: 12px 0 48px;
  display: flex;
  justify-content: center;
  position: relative;
}
.main-page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 8%, rgba(99,102,241,0.24), transparent 55%),
    radial-gradient(circle at 20% 0%, rgba(59,130,246,0.1), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(6,182,212,0.1), transparent 50%);
  filter: blur(26px);
  opacity: 0.7;
}
.main-card-wrap {
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
}
.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.hero-subtitle {
  margin: 4px 0 0 0;
  color: #9ca3af;
  font-size: 14px;
}
.status {
  color: #a5f3fc;
  font-size: 14px;
  max-width: 360px;
}
.card {
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.22);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 18px 48px rgba(0,0,0,0.55);
  backdrop-filter: blur(22px);
  animation: cardIn 0.42s ease-out;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.card-subtitle {
  margin: 4px 0 0 0;
  color: #94a3b8;
  font-size: 13px;
}
.card h2 {
  font-size: 22px;
}
.card h2 {
  margin: 0;
}

/* Auth card spacing & padding (taller, airier) */
.auth-card-wrap .card {
  padding: 40px 36px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.auth-card-wrap .card-head {
  margin-bottom: 12px;
}
.auth-card-wrap .card .card-subtitle {
  margin-top: 14px;
}
.auth-card-wrap .card input {
  margin-top: 16px;
  margin-bottom: 0;
}
.auth-card-wrap .card input:first-of-type {
  margin-top: 12px;
}
.auth-card-wrap .card button {
  margin-top: 24px;
}
.auth-card-wrap .card .link,
.auth-card-wrap .card .muted.small {
  margin-top: 16px;
}

@media (max-width: 480px) {
  .auth-card-wrap .card {
    padding: 28px 22px;
  }
  .auth-stage {
    padding: 20px;
    min-height: 460px;
  }
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.single-column { grid-template-columns: 1fr; }
input {
  width: 100%;
  padding: 10px 12px;
  margin: 6px 0;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: #e5e7eb;
  transition: border 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: #e5e7eb;
  resize: vertical;
  transition: border 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
input:focus, textarea:focus {
  outline: none;
  border-color: rgba(79,70,229,0.7);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.3);
  transform: translateY(-1px);
}
button {
  width: 100%;
  padding: 10px 12px;
  margin-top: 8px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: linear-gradient(120deg, #4f46e5, #06b6d4);
  color: #0b1220;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(79,70,229,0.25);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, filter 0.2s ease;
}
button:hover { filter: brightness(1.05); transform: scale(1.01); }
button:active { transform: scale(0.99); }
button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  opacity: 0;
  transition: opacity 0.3s ease;
}
button:hover::after { opacity: 1; }
button.loading {
  pointer-events: none;
}
button.loading::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
  animation: shimmer 1.4s infinite;
  opacity: 0.8;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.8;
  filter: grayscale(0.2);
}
.label {
  font-size: 13px;
  color: #cdd7e3;
  margin-top: 6px;
}
.link {
  color: #a5f3fc;
  cursor: pointer;
  font-size: 14px;
  margin-top: 8px;
  transition: color 0.2s ease;
}
.link.logout-small { font-size: 12px; }
.link:hover { color: #e0f2fe; }
.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  justify-content: flex-start;
  width: fit-content;
  text-align: left;
}
.result {
  background: #111827;
  padding: 12px;
  border-radius: 8px;
  max-height: 420px;
  overflow: auto;
}
.summary-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 12px;
}
.chat-box {
  background: #0b1220;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 10px;
  min-height: 280px;
  max-height: 600px;
  overflow-y: auto;
  margin: 8px 0;
}
.progress-container {
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  margin: 10px 0;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(120deg, #7c3aed, #22d3ee);
  transition: width 0.3s ease;
}
.chat-msg {
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
}
.chat-msg.user { border: 1px solid rgba(124,58,237,0.4); }
.chat-msg.assistant { border: 1px solid rgba(34,211,238,0.4); }

.md-content {
  line-height: 1.5;
  margin-top: 4px;
}
.md-content p {
  margin: 0 0 8px;
}
.md-content p:last-child {
  margin-bottom: 0;
}
.md-content ul, .md-content ol {
  margin: 4px 0 8px 16px;
  padding: 0;
}
.md-content li {
  margin-bottom: 4px;
}
.md-content h1, .md-content h2, .md-content h3 {
  margin: 10px 0 6px;
  font-size: 1.1em;
  font-weight: 600;
}
.md-content code {
  background: rgba(0,0,0,0.3);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9em;
}
.md-content pre {
  background: rgba(0,0,0,0.3);
  padding: 8px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 8px 0;
}
.md-content strong {
  color: #fff;
  font-weight: 700;
}

.muted { color: #94a3b8; }
.small { font-size: 12px; }
.generate-desc { margin-top: 4px; color: #9ca3af; }
.logout-row {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  max-width: 940px;
  margin: 8px auto 0;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(8px, -8px, 0) scale(1.05); }
}