/* ================================================
   BETWEEN THE PAGES — MAIN STYLESHEET
   ================================================ */

:root {
  --paper: #f4f0e8;
  --paper-deep: #eae3d7;
  --card: rgba(255, 253, 249, .94);
  --ink: #252b28;
  --muted: #72766e;
  --soft: #a2a094;
  --green: #254c43;
  --green-deep: #183a33;
  --green-soft: #e3ebe5;
  --copper: #bd805d;
  --line: #e4ded2;
  --shadow: 0 24px 70px rgba(40, 53, 45, .10);
}

/* ================================================
   GLOBAL
   ================================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);

  background:
    radial-gradient(
      ellipse at 12% 8%,
      rgba(194, 153, 112, .15),
      transparent 32rem
    ),
    radial-gradient(
      ellipse at 88% 34%,
      rgba(107, 145, 124, .13),
      transparent 34rem
    ),
    var(--paper);

  font-family: "DM Sans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
textarea {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.page-glow {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
}

.page-glow-one {
  width: 22rem;
  height: 22rem;
  top: 15rem;
  left: -13rem;
  background: rgba(190, 128, 93, .08);
}

.page-glow-two {
  width: 28rem;
  height: 28rem;
  top: 2rem;
  right: -17rem;
  background: rgba(37, 76, 67, .08);
}

.site-shell {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
}

/* ================================================
   NAVIGATION
   ================================================ */

.navbar {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(75, 79, 67, .13);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(37, 76, 67, .3);
  border-radius: 50%;
  color: var(--green);
  font: 600 12px "DM Sans", sans-serif;
  letter-spacing: -1px;
}

.brand-mark span {
  color: var(--copper);
}

.brand-name {
  font: 600 17px "Playfair Display", Georgia, serif;
  letter-spacing: -.3px;
}

.brand-name i {
  color: var(--copper);
  font-weight: 500;
}

.nav-note {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ================================================
   HERO
   ================================================ */

.hero {
  max-width: 790px;
  margin: 76px auto 0;
  text-align: center;
}

.eyebrow,
.step-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  color: #8c684e;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
}

.eyebrow-line {
  width: 26px;
  height: 1px;
  background: #c49a7c;
}

h1 {
  margin: 23px 0 17px;
  font: 500 clamp(39px, 6.1vw, 67px)/1.12
    "Playfair Display", Georgia, serif;
  letter-spacing: -1.8px;
}

h1 em {
  color: var(--green);
  font-weight: 500;
}

.hero-copy {
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ================================================
   INPUT CARD
   ================================================ */

.prompt-card {
  margin: 39px auto 0;
  padding: 30px;
  max-width: 720px;
  text-align: left;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 19px;
}

.step-label {
  justify-content: flex-start;
  font-size: 9px;
  letter-spacing: .17em;
  color: #9a795e;
}

.card-topline h2 {
  margin: 7px 0 0;
  font: 600 25px "Playfair Display", Georgia, serif;
  letter-spacing: -.4px;
}

.sparkle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f2e9de;
  color: var(--copper);
  font-size: 20px;
}

/* ================================================
   TEXTAREA
   ================================================ */

.textarea-wrap {
  position: relative;
}

textarea {
  display: block;
  width: 100%;
  min-height: 154px;
  resize: vertical;
  padding: 19px 64px 19px 19px;
  border: 1px solid #dedbd1;
  border-radius: 13px;
  outline: none;
  background: #fcfbf7;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.8;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

textarea::placeholder {
  color: #a5a49b;
}

textarea:focus {
  border-color: #789589;
  background: white;
  box-shadow: 0 0 0 4px rgba(37, 76, 67, .08);
}

/* ================================================
   MICROPHONE
   ================================================ */

.mic-button {
  position: absolute;
  right: 13px;
  bottom: 13px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid #e3ded4;
  border-radius: 50%;
  background: #f0eee7;
  color: var(--green);
  cursor: pointer;
  font-size: 18px;
  transition: .2s;
}

.mic-button:hover {
  background: var(--green-soft);
  transform: translateY(-1px);
}

.mic-button.recording {
  color: white;
  background: #a64d46;
  border-color: #a64d46;
  animation: pulse 1.1s infinite;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 7px rgba(166, 77, 70, .12);
  }
}

/* ================================================
   INPUT META
   ================================================ */

.input-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 34px;
}

.mic-status,
.char-count {
  margin: 8px 0 0;
  color: var(--soft);
  font-size: 11px;
  line-height: 1.5;
}

.char-count {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ================================================
   FORM FOOTER
   ================================================ */

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid #eee9e0;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #8d9188;
  font-size: 10px;
  line-height: 1.5;
}

.lock-icon {
  color: var(--green);
  font-size: 17px;
}

/* ================================================
   PRIMARY BUTTON
   ================================================ */

.primary-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 22px;
  border: 0;
  border-radius: 10px;
  background: var(--green);
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 7px 16px rgba(37, 76, 67, .16);
  transition: transform .2s, background .2s, box-shadow .2s;
}

.primary-button:hover {
  background: var(--green-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 76, 67, .2);
}

.primary-button:disabled {
  opacity: .65;
  cursor: wait;
  transform: none;
}

.button-arrow {
  font-size: 18px;
  line-height: 1;
}

.trust-note {
  margin: 20px 0 0;
  color: #8b8d83;
  font-size: 11px;
  letter-spacing: .02em;
}

.trust-note span {
  color: var(--copper);
  margin-right: 5px;
}

/* ================================================
   RECOMMENDATION SECTION
   ================================================ */

.result-section {
  max-width: 900px;
  margin: 35px auto 0;
  scroll-margin-top: 24px;
}

/* ================================================
   BOOK CARD
   ================================================ */

.result-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 30px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 253, 249, .96);
  box-shadow: 0 16px 45px rgba(40, 53, 45, .08);
  animation: rise .35s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================================================
   BOOK COVER
   ================================================ */

.book-visual {
  min-height: 210px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.book-cover {
  display: block;
  width: 140px;
  max-height: 210px;
  object-fit: contain;
  border-radius: 5px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, .16);
}

.cover-placeholder {
  width: 145px;
  min-height: 205px;
  display: grid;
  place-items: center;
  padding: 18px;
  border-radius: 5px 11px 11px 5px;
  background: linear-gradient(145deg, #31584e, #1e3e37);
  color: #f8f0e4;
  text-align: center;
  box-shadow: 0 12px 24px rgba(0, 0, 0, .15);
  font: 600 17px/1.35 "Playfair Display", Georgia, serif;
}

/* ================================================
   BOOK DETAILS
   ================================================ */

.book-details {
  min-width: 0;
}

.result-label {
  color: #9a795e;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
}

.book-title {
  margin: 9px 0 4px;
  font: 600 clamp(23px, 2.6vw, 29px)/1.2
    "Playfair Display", Georgia, serif;
  overflow-wrap: anywhere;
}

.book-author {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

.result-subhead {
  margin: 18px 0 5px;
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.book-details p {
  margin: 5px 0;
  color: #626a62;
  font-size: 13px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

/* ================================================
   DESCRIPTION AND READ MORE
   ================================================ */

.book-description {
  white-space: pre-line;
  line-height: 1.75;
}

.book-description > p {
  margin: 5px 0;
}

.book-details .book-description p {
  overflow-wrap: anywhere;
}

.description-expand {
  margin-top: 12px;
}

.description-expand summary {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid #cbd7ce;
  border-radius: 999px;
  color: var(--green);
  background: transparent;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background .2s, border-color .2s;
}

.description-expand summary::-webkit-details-marker {
  display: none;
}

.description-expand summary::after {
  content: "＋";
  margin-left: 8px;
  font-size: 13px;
}

.description-expand[open] summary::after {
  content: "−";
}

.description-expand summary:hover {
  background: var(--green-soft);
  border-color: #a8bdb0;
}

.description-expand summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.description-expand p {
  margin: 14px 0 5px;
  line-height: 1.8;
}

/* ================================================
   BOOK METADATA
   ================================================ */

.book-meta {
  margin-top: 17px;
  color: #96968b;
  font-size: 10px;
  line-height: 1.7;
}

/* ================================================
   BOOK LINKS
   ================================================ */

.book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 19px;
}

.book-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 0 13px;
  border: 1px solid #cbd7ce;
  border-radius: 8px;
  color: var(--green);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  transition: .2s;
}

.book-link:hover {
  background: var(--green-soft);
  border-color: #a8bdb0;
}

/* ================================================
   NOTICE AND LOADING
   ================================================ */

.notice-card {
  padding: 23px 25px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--card);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
  box-shadow: 0 12px 35px rgba(40, 53, 45, .06);
}

.notice-card strong {
  display: block;
  margin-bottom: 5px;
  color: var(--green);
  font: 600 20px "Playfair Display", Georgia, serif;
}

.loading-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 22px 25px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--card);
  color: var(--muted);
  font-size: 13px;
}

.loader {
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  border: 2px solid #d9e1da;
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

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

/* ================================================
   FOOTER
   ================================================ */

.footer {
  margin-top: 90px;
  padding: 27px 0 32px;
  border-top: 1px solid rgba(75, 79, 67, .13);
  text-align: center;
}

.footer-brand {
  color: var(--green);
  text-decoration: none;
  font: 600 17px "Playfair Display", Georgia, serif;
}

.footer-brand span {
  color: var(--copper);
}

.footer p {
  margin: 7px 0 4px;
  color: var(--muted);
  font: 13px "Playfair Display", Georgia, serif;
}

.footer-small {
  color: #a2a094;
  font-size: 10px;
}

/* ================================================
   ACCESSIBILITY
   ================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.primary-button:focus-visible,
.book-link:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* ================================================
   TABLET AND MOBILE
   ================================================ */

@media (max-width: 680px) {

  .site-shell {
    width: min(100% - 32px, 540px);
  }

  .navbar {
    min-height: 72px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 15px;
  }

  .nav-note {
    display: none;
  }

  .hero {
    margin-top: 54px;
  }

  .eyebrow {
    font-size: 9px;
    letter-spacing: .15em;
    gap: 8px;
  }

  .eyebrow-line {
    width: 17px;
  }

  h1 {
    margin-top: 20px;
    font-size: clamp(37px, 10vw, 49px);
    letter-spacing: -1.2px;
  }

  .hero-copy {
    max-width: 340px;
    font-size: 13px;
  }

  .desktop-break {
    display: none;
  }

  .prompt-card {
    margin-top: 29px;
    padding: 21px 17px 17px;
    border-radius: 17px;
  }

  .card-topline h2 {
    font-size: 22px;
  }

  .sparkle {
    width: 34px;
    height: 34px;
  }

  textarea {
    min-height: 160px;
    padding: 15px 53px 15px 14px;
    font-size: 13px;
  }

  .mic-button {
    width: 38px;
    height: 38px;
    right: 9px;
    bottom: 9px;
  }

  .input-meta {
    align-items: flex-start;
  }

  .mic-status,
  .char-count {
    font-size: 10px;
  }

  .form-footer {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
    padding-top: 16px;
  }

  .privacy-note {
    order: 2;
    justify-content: center;
  }

  .primary-button {
    width: 100%;
    min-height: 51px;
  }

  .trust-note {
    max-width: 300px;
    margin: 16px auto 0;
    font-size: 10px;
    line-height: 1.6;
  }

  .result-section {
    margin-top: 25px;
  }

  .result-card {
    grid-template-columns: 1fr;
    gap: 17px;
    padding: 19px;
  }

  .book-visual {
    min-height: auto;
    justify-content: flex-start;
  }

  .book-cover {
    width: 112px;
    max-height: 168px;
  }

  .cover-placeholder {
    width: 112px;
    min-height: 158px;
    font-size: 14px;
  }

  .book-title {
    font-size: 24px;
  }

  .book-actions {
    flex-direction: column;
  }

  .book-link {
    width: 100%;
  }

  .footer {
    margin-top: 62px;
  }
}

/* ================================================
   REDUCED MOTION
   ================================================ */

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}