/* Reset & base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #050508;
  --bg-elevated: rgba(15, 18, 32, 0.72);
  --card-bg: rgba(20, 24, 45, 0.55);
  --card-border: rgba(147, 155, 211, 0.22);
  --card-glow: rgba(120, 140, 255, 0.18);
  --text: #f1f3fb;
  --text-muted: #9aa3c2;
  --accent: #7c8cff;
  --accent-soft: #a5b4fc;
  --accent-dark: #4b55a8;
  --distill-pink: #ffb6d5;
  --distill-purple: #c4b5fd;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: "Inter", "Noto Serif SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(90deg, #06040d 0%, transparent 18%, transparent 82%, #06040d 100%),
    linear-gradient(180deg, transparent 0%, transparent 55%, #06040d 92%),
    url(img/bg.png);
  background-color: #06040d;
  background-size: 100% 100%, 100% 100%, auto 100vh;
  background-position: center, center, center top;
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-attachment: scroll, scroll, scroll;
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.universe,
.stars,
.glow-orb {
  display: none;
}

/* App shell */
.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 38px 32px;
  display: flex;
  flex-direction: column;
}

.view {
  display: none;
  flex: 1;
  flex-direction: column;
  animation: fadeIn 0.5s ease forwards;
}

.view.active {
  display: flex;
}

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

/* Landing */
.view--landing {
  justify-content: flex-start;
  padding-top: 40vh;
  gap: 0;
}

/* Cards */
.cards {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 0;
}

.card {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  isolation: isolate;
}

.card__frame {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 3;
}

/* Characters card: deep space crystal */
.card--characters {
  min-height: 188px;
  display: flex;
  align-items: center;
  padding: 26px 24px;
  background:
    linear-gradient(100deg, rgba(8, 10, 26, 0.82) 0%, rgba(15, 20, 55, 0.45) 45%, transparent 75%),
    url(img/card1.png);
  background-size: cover, cover;
  background-position: center, center;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    0 0 0 1px rgba(140, 160, 255, 0.28),
    0 12px 40px rgba(0, 0, 0, 0.55),
    0 0 48px rgba(100, 120, 255, 0.2);
}

.card--characters .card__frame {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 0 24px rgba(120, 140, 255, 0.12);
}

.card--characters:hover {
  transform: translateY(-3px);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.25),
    0 0 0 1px rgba(160, 180, 255, 0.45),
    0 18px 50px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(110, 135, 255, 0.3);
}

/* Distill card: warm sunset lovers */
.card--distill {
  min-height: 210px;
  display: flex;
  align-items: flex-end;
  padding: 26px 24px;
  background:
    linear-gradient(100deg, rgba(45, 25, 60, 0.78) 0%, rgba(80, 40, 80, 0.35) 40%, transparent 72%),
    linear-gradient(0deg, rgba(20, 15, 35, 0.55) 0%, transparent 45%),
    url(img/card2.png);
  background-size: cover, cover, cover;
  background-position: center, center, center;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.2),
    0 0 0 1px rgba(255, 160, 205, 0.35),
    0 12px 40px rgba(0, 0, 0, 0.5),
    0 0 52px rgba(255, 130, 180, 0.22);
}

.card--distill .card__frame {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 0 28px rgba(255, 160, 200, 0.12);
}

.card--distill:hover {
  transform: translateY(-3px);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.28),
    0 0 0 1px rgba(255, 170, 210, 0.5),
    0 18px 50px rgba(0, 0, 0, 0.55),
    0 0 68px rgba(255, 140, 190, 0.32);
}

.card__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  z-index: 2;
}

.card__title {
  font-family: "Noto Serif SC", serif;
  font-size: 27px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}

.card__desc {
  font-size: 14px;
  color: rgba(235, 238, 255, 0.82);
  margin-bottom: 6px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #8b9dff 0%, #6c7bf7 100%);
  color: #fff;
  box-shadow: 0 6px 24px rgba(108, 123, 247, 0.35);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 32px rgba(108, 123, 247, 0.5);
}

.btn--outline {
  background: rgba(0, 0, 0, 0.22);
  border-color: rgba(255,255,255,0.35);
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn--outline:hover {
  background: rgba(0, 0, 0, 0.35);
  border-color: rgba(255,255,255,0.55);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn--ghost:hover {
  color: var(--text);
}

.btn--small {
  padding: 7px 14px;
  font-size: 13px;
}

.btn--block {
  width: 100%;
}

.btn__arrow {
  transition: transform var(--transition);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  transition: background var(--transition);
}

.icon-btn:hover {
  background: rgba(255,255,255,0.12);
}

/* Footer */
.landing-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  padding: 0 6px 8px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--text);
}

/* Creator view */
.view--creator {
  padding-top: 40vh;
}

.creator-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.creator-brand {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.creator-brand__name {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.creator-brand__step {
  font-size: 12px;
  color: var(--text-muted);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.stepper {
  display: flex;
  gap: 6px;
}

.stepper__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  transition: background var(--transition);
}

.stepper__dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Form */
.creator-form {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.form-step {
  display: none;
  flex-direction: column;
  flex: 1;
  border: none;
  animation: fadeIn 0.35s ease;
}

.form-step.active {
  display: flex;
}

.form-step__legend {
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 18px;
  padding: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}

.field-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  grid-column: 1 / -1;
}

.field--half {
  grid-column: span 1;
}

.field--checkbox {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.field__label {
  font-size: 13px;
  color: var(--text-muted);
}

.field__label small {
  color: rgba(154, 163, 194, 0.7);
  font-size: 11px;
}

.field__input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(8, 10, 26, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field__input::placeholder {
  color: rgba(154, 163, 194, 0.45);
}

.field__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 140, 255, 0.12);
}

textarea.field__input {
  resize: vertical;
  min-height: 86px;
  line-height: 1.6;
}

textarea.field__input--tall {
  min-height: 120px;
}

.field--checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(8, 10, 26, 0.78);
  display: grid;
  place-items: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.field--checkbox input:checked + .checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.field--checkbox input:checked + .checkmark::after {
  content: "✓";
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.form-actions {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  justify-content: flex-end;
}

.form-actions--split {
  justify-content: space-between;
}

/* Result panel */
.result-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: fadeIn 0.5s ease;
}

.result-panel__header {
  text-align: center;
}

.result-panel__title {
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
  font-weight: 600;
}

.result-panel__desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.result-panel__files {
  display: flex;
  gap: 12px;
}

.file-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(16px);
}

.file-card__icon {
  font-size: 24px;
}

.file-card__info {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 2px;
}

.file-card__info strong {
  font-size: 14px;
}

.file-card__info small {
  font-size: 11px;
  color: var(--text-muted);
}

.result-panel__preview {
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.preview-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.preview-tab {
  flex: 1;
  padding: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.preview-tab.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.preview-code {
  padding: 16px;
  margin: 0;
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #d4d8f0;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-code code {
  font-family: inherit;
}

/* Auth view */
.view--auth {
  padding-top: 40vh;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  padding: 5px;
  border-radius: var(--radius);
  background: rgba(8, 9, 22, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-tab {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.auth-tab.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.auth-form {
  display: none;
  flex-direction: column;
  flex: 1;
  animation: fadeIn 0.35s ease;
}

.auth-form.active {
  display: flex;
}

.auth-hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* Distill ex service page */
.view--distill-page {
  padding-top: 40vh;
}

.distill-page {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.distill-quick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(255, 160, 205, 0.22), rgba(160, 140, 255, 0.22));
  border: 1px solid rgba(255, 160, 205, 0.35);
  color: #ffe4f0;
  font-size: 14px;
  text-decoration: none;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.distill-quick:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 130, 180, 0.2);
}

.distill-section {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(8, 9, 22, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.distill-section__title {
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #fff;
}

.distill-section__text,
.distill-list,
.distill-steps {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(220, 225, 255, 0.85);
}

.distill-list,
.distill-steps {
  padding-left: 18px;
  margin: 0;
}

.distill-list li {
  margin-bottom: 6px;
}

.distill-steps li {
  margin-bottom: 8px;
}

.distill-steps span {
  color: var(--accent);
  font-weight: 600;
  margin-right: 4px;
}

.distill-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(8, 9, 22, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.distill-price__label {
  font-size: 14px;
  color: var(--text-muted);
}

.distill-price__value {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
}

.distill-price__unit {
  font-size: 13px;
  color: var(--text-muted);
}

.distill-note,
.distill-revenue {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: center;
}

.distill-revenue {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
}

/* Utility */
[hidden] {
  display: none !important;
}

/* Responsive */
@media (max-width: 420px) {
  .app {
    padding: 36px 26px 24px;
  }

  .card--characters {
    padding: 22px 20px;
  }

  .card__title {
    font-size: 22px;
  }

  .field-group {
    grid-template-columns: 1fr;
  }

  .field--half {
    grid-column: 1 / -1;
  }

  .result-panel__files {
    flex-direction: column;
  }
}

@media (min-width: 640px) {
  .app {
    max-width: 560px;
  }
}
