:root {
  --read-accent: #7edb7a;
  --read-accent-strong: #4fcf66;
  --read-accent-soft: #f0fbf2;
  --read-accent-pale: #fbfff3;
  --read-blue: #3b82f6;
  --read-green: #22a95a;
  --read-red: #ef4444;
  --read-amber: #f59e0b;
  --read-purple: #8b5cf6;
  --read-ink: #172033;
  --read-muted: #6f7788;
  --read-line: #e7eaf0;
  --read-card: #ffffff;
  --read-page: #f8f9fc;
  --read-shadow: 0 18px 45px rgba(31, 41, 55, 0.08);
}

* { box-sizing: border-box; }

body.n4-reading-page {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--read-ink);
  background:
    radial-gradient(circle at 11% 7%, rgba(126, 219, 122, 0.15), transparent 25%),
    radial-gradient(circle at 94% 16%, rgba(185, 244, 191, 0.24), transparent 23%),
    var(--read-page);
  font-family: "Poppins", "Noto Sans JP", sans-serif;
}

.n4-reading-page button,
.n4-reading-page input { font: inherit; }

.n4-reading-page .level-new-header {
  position: sticky;
  top: 0;
  z-index: 1200;
}

.reading-page-shell {
  width: min(1460px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 54px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: start;
  transition: grid-template-columns .3s cubic-bezier(.22, .72, .19, 1);
}

.reading-lesson-sidebar {
  position: sticky;
  top: 104px;
  min-width: 0;
  max-height: calc(100vh - 126px);
  overflow: visible;
  padding: 15px;
  border: 1px solid rgba(221, 226, 235, .94);
  border-radius: 23px;
  background: rgba(255, 255, 255, .95);
  box-shadow: 0 16px 38px rgba(31, 41, 55, .075);
  backdrop-filter: blur(18px);
  transition: padding .3s ease, border-radius .3s ease, box-shadow .3s ease;
}

.reading-level-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  padding: 15px;
  border: 1px solid #d4edd7;
  border-radius: 18px;
  background: linear-gradient(140deg, #fbfff3, #edf9ef);
}

.reading-level-card::after {
  content: "";
  position: absolute;
  right: -28px;
  top: -36px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(79, 207, 102, .13);
}

.reading-level-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  place-items: center;
  border-radius: 17px;
  color: #fff;
  background: linear-gradient(145deg, #86e58b, var(--read-accent-strong));
  box-shadow: 0 10px 22px rgba(79, 207, 102, .22);
  font-size: 17px;
  font-weight: 900;
}

.reading-level-card div { position: relative; z-index: 1; min-width: 0; }
.reading-level-card strong { display: block; font-size: 12px; line-height: 1.45; }
.reading-level-card div span { display: block; margin-top: 4px; color: #6f806f; font-size: 9px; font-weight: 600; }

.reading-lesson-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 19px 4px 11px;
}

.reading-lesson-heading > div > span {
  color: var(--read-accent-strong);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.reading-lesson-heading h2 { margin: 3px 0 0; font-size: 15px; }
.reading-lesson-heading > span {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: #267d3c;
  background: #e8f8eb;
  font-size: 9px;
  font-weight: 800;
}

.reading-lesson-list {
  display: grid;
  gap: 7px;
  max-height: calc(100vh - 330px);
  overflow-y: auto;
  padding: 2px 4px 6px 2px;
  scrollbar-width: thin;
  scrollbar-color: #bfe9c4 transparent;
}

.reading-lesson-item {
  display: grid;
  grid-template-columns: 35px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  min-height: 58px;
  padding: 8px 9px;
  border: 1px solid #e8ebf0;
  border-radius: 14px;
  color: var(--read-ink);
  background: #fff;
  text-align: left;
  cursor: pointer;
  transition: .2s ease;
}

.reading-lesson-item:hover { transform: translateX(2px); border-color: #b9e6bf; background: #f8fff9; }
.reading-lesson-item.is-active { border-color: #a8e0b0; background: linear-gradient(135deg, #f0fbf2, #e2f6e6); box-shadow: 0 8px 18px rgba(79, 207, 102, .10); }
.lesson-number { display: grid; width: 33px; height: 33px; place-items: center; border-radius: 11px; color: #747b88; background: #f2f4f7; font-size: 10px; font-weight: 900; }
.reading-lesson-item.is-active .lesson-number { color: #fff; background: linear-gradient(145deg, #79df82, var(--read-accent-strong)); }
.lesson-copy { min-width: 0; }
.lesson-copy strong { display: block; font-size: 11px; }
.lesson-state { padding: 4px 6px; border-radius: 999px; color: #267d3c; background: #dcf4e1; font-size: 7px; font-weight: 900; }

.lesson-sidebar-toggle {
  position: absolute;
  z-index: 12;
  top: 24px;
  right: -15px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(210, 216, 226, .95);
  border-radius: 11px;
  color: var(--read-accent-strong);
  background: #fff;
  box-shadow: 0 8px 20px rgba(31, 41, 55, .14);
  cursor: pointer;
  transition: transform .2s ease, color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.lesson-sidebar-toggle:hover { transform: translateY(-1px) scale(1.04); border-color: var(--read-accent); box-shadow: 0 10px 24px rgba(31, 41, 55, .18); }
.lesson-sidebar-toggle:focus-visible { outline: 3px solid rgba(79, 207, 102, .22); outline-offset: 3px; }
.lesson-sidebar-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; transition: transform .3s cubic-bezier(.22, .72, .19, 1); }

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

.reading-workspace {
  min-width: 0;
  padding: 26px;
  border: 1px solid rgba(221, 226, 235, .92);
  border-radius: 24px;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--read-shadow);
  backdrop-filter: blur(18px);
  container-name: reading-workspace;
  container-type: inline-size;
}

.reading-heading {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 22px;
}

.reading-heading-icon {
  display: grid;
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  place-items: center;
  border-radius: 21px;
  color: #fff;
  background: linear-gradient(145deg, #8be890, var(--read-accent-strong));
  box-shadow: 0 14px 28px rgba(79, 207, 102, .25), inset 0 1px 0 rgba(255, 255, 255, .5);
}

.reading-heading-icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.reading-heading p,
.reading-heading h1,
.reading-heading span { margin: 0; }
.reading-heading p { color: var(--read-accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.reading-heading h1 { margin-top: 2px; font-size: clamp(24px, 3vw, 34px); line-height: 1.2; }
.reading-heading span { display: block; margin-top: 5px; color: var(--read-muted); font-size: 13px; }

.reading-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(220px, .75fr);
  min-height: 205px;
  overflow: hidden;
  border: 1px solid #d9e9dc;
  border-radius: 22px;
  background: linear-gradient(135deg, #fff, #f5fcf6);
  box-shadow: 0 12px 30px rgba(55, 122, 70, .07);
}

.reading-hero-copy { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: 24px 25px; }
.reading-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.reading-badge { display: inline-flex; min-height: 29px; align-items: center; padding: 0 10px; border: 1px solid #dce7df; border-radius: 999px; color: #647067; background: #fff; font-size: 9px; font-weight: 800; }
.reading-badge.is-level { color: #267d3c; border-color: #bde5c3; background: #eaf8ed; }
.reading-hero-copy h2 { margin: 17px 0 0; font-family: "Noto Sans JP", sans-serif; font-size: clamp(21px, 2.7vw, 31px); line-height: 1.35; }
.reading-title-vi { margin: 7px 0 0; color: #526071; font-size: 13px; font-weight: 700; }
.reading-meta { margin: 10px 0 0; color: var(--read-muted); font-size: 11px; }
.reading-hero-image { min-height: 205px; margin: 0; overflow: hidden; background: #eef4ef; }
.reading-hero-image[hidden] { display: none; }
.reading-hero-image img { display: block; width: 100%; height: 100%; min-height: 205px; object-fit: cover; }
.reading-hero-card.is-image-hidden { grid-template-columns: 1fr; }

.reading-view-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding: 13px 15px;
  border: 1px solid #e2e9e3;
  border-radius: 16px;
  background: #fbfdfb;
}

.reading-home-button {
  display: inline-flex;
  min-height: 39px;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border: 1px solid #dce4dd;
  border-radius: 11px;
  color: #536172;
  background: #fff;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  transition: .2s ease;
}

.reading-home-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.reading-home-button:hover,
.reading-home-button.is-active { color: #267d3c; border-color: #aee2b5; background: var(--read-accent-soft); }
.reading-view-toolbar > span { color: var(--read-muted); font-size: 10px; font-weight: 600; text-align: right; }

.reading-content-panel {
  min-height: 510px;
  margin-top: 16px;
  padding: 23px;
  border: 1px solid #e1e6ec;
  border-radius: 21px;
  background: #fff;
}

.reading-loading { display: grid; min-height: 400px; place-items: center; color: var(--read-muted); font-size: 12px; }
.reading-panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 19px; padding-bottom: 15px; border-bottom: 1px solid #e7ebe8; }
.reading-panel-heading > div > span { color: var(--read-accent-strong); font-size: 10px; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.reading-panel-heading h3 { margin: 4px 0 0; font-size: 20px; }
.reading-panel-heading p { margin: 5px 0 0; color: var(--read-muted); font-size: 11px; line-height: 1.65; }
.reading-panel-count { display: inline-flex; min-height: 32px; align-items: center; padding: 0 10px; border-radius: 999px; color: #267d3c; background: #e8f8eb; font-size: 10px; font-weight: 800; white-space: nowrap; }

.reading-passage { color: #222b3b; font-family: "Noto Sans JP", sans-serif; font-size: 14px; line-height: 2; }
.reading-passage p { margin: 0; }
.reading-passage p + p { margin-top: 12px; }
.reading-passage ruby rt { color: #408153; font-size: .56em; }

.medical-guide { display: grid; gap: 14px; }
.medical-guide > h3 { margin: 0; padding: 14px 17px; border: 1px solid #bfe0c5; border-radius: 15px; background: linear-gradient(135deg, #edf9ef, #fafffa); text-align: center; font-size: 19px; }
.medical-step { display: grid; grid-template-columns: minmax(150px, .36fr) minmax(0, 1fr); overflow: hidden; border: 1px solid #dce4df; border-radius: 16px; background: #fff; }
.medical-step-label { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 17px 13px; background: #f3f7f4; text-align: center; }
.medical-step-label > span:first-child { display: inline-flex; min-height: 28px; align-items: center; padding: 0 12px; border-radius: 999px; background: #dce9df; font-size: 11px; font-weight: 800; }
.medical-step-label strong { font-size: 14px; }
.medical-step-label b { font-size: 18px; }
.medical-step-copy { padding: 17px 19px; }
.medical-step-copy p { font-size: 13px; line-height: 1.85; }
.medical-step-copy p + p { margin-top: 7px; }
.medical-arrow { display: grid; height: 22px; place-items: center; color: #829087; font-size: 25px; line-height: 1; }
.medical-web { padding: 18px 19px; border: 1px solid #dce4df; border-radius: 16px; background: #fbfcfb; }
.medical-web h4 { margin: 0 0 8px; font-size: 15px; }
.medical-web ul { margin: 8px 0 0; padding-left: 22px; }
.medical-web li + li { margin-top: 4px; }
.medical-contact { padding: 11px 14px; border-radius: 12px; color: #2f6840; background: #eaf7ed; text-align: center; font-weight: 800; }

.notice-paper,
.message-paper { position: relative; overflow: hidden; padding: 25px; border: 1px solid #dce3df; border-radius: 18px; background: linear-gradient(145deg, #fff, #fbfcfb); box-shadow: inset 0 0 0 7px rgba(240, 246, 241, .72); }
.notice-paper::before,
.message-paper::before { content: ""; position: absolute; right: -45px; top: -55px; width: 140px; height: 140px; border-radius: 50%; background: rgba(126, 219, 122, .10); }
.notice-kicker { position: relative; color: var(--read-accent-strong); font-size: 11px; font-weight: 900; letter-spacing: .07em; }
.notice-paper h3 { position: relative; margin: 8px 0 19px; font-size: 21px; text-align: center; }
.notice-schedule { position: relative; display: grid; gap: 8px; margin: 0 0 19px; }
.notice-schedule div { display: grid; grid-template-columns: minmax(145px, .8fr) minmax(0, 1fr); overflow: hidden; border: 1px solid #dce5df; border-radius: 12px; }
.notice-schedule dt { padding: 10px 13px; background: #edf7ef; font-weight: 800; }
.notice-schedule dd { margin: 0; padding: 10px 13px; }
.notice-signature { margin-top: 18px !important; color: #4e6353; text-align: right; font-weight: 700; }
.message-to { margin-bottom: 15px; font-size: 17px; font-weight: 800; }
.message-from { margin-top: 19px; text-align: right; font-size: 16px; font-weight: 800; }

.reading-blank {
  display: inline-grid;
  min-width: 28px;
  height: 28px;
  margin: 0 3px;
  place-items: center;
  border: 2px solid #6ccf78;
  border-radius: 7px;
  color: #267d3c;
  background: #effaf1;
  font-family: "Poppins", sans-serif;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  vertical-align: middle;
}
.reading-passage-lead {
  margin-bottom: 16px !important;
  padding: 12px 14px;
  border-left: 4px solid #79db83;
  border-radius: 0 12px 12px 0;
  background: #f3faf4;
  color: #42504a;
  font-size: 12px;
}
.reading-chat-paper { display: grid; gap: 14px; }
.reading-chat-message { display: grid; gap: 6px; max-width: 88%; }
.reading-chat-message.is-friends { justify-self: start; }
.reading-chat-message.is-carlos { justify-self: end; }
.reading-chat-author {
  color: #4a5b50;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .03em;
}
.reading-chat-message.is-carlos .reading-chat-author { text-align: right; }
.reading-chat-bubble {
  padding: 14px 16px;
  border: 1px solid #dbe5de;
  border-radius: 16px 16px 16px 5px;
  background: #f7fbf8;
}
.reading-chat-message.is-carlos .reading-chat-bubble {
  border-radius: 16px 16px 5px 16px;
  border-color: #bfe5c6;
  background: #ebf8ee;
}
.library-closure-notice > p,
.greeting-essay > p { position: relative; }

.reading-question-section { margin-top: 25px; padding-top: 23px; border-top: 1px solid #e4e8e5; }
.reading-question-section-heading { margin-bottom: 14px; }
.reading-question-section-heading span { color: var(--read-accent-strong); font-size: 10px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.reading-question-section-heading h3 { margin: 4px 0 0; font-size: 18px; }
.reading-question-list { display: grid; gap: 15px; }
.reading-question-card { padding: 17px; border: 1px solid #e1e5eb; border-radius: 16px; background: #fbfcfd; }
.reading-question-card.is-correct { border-color: #79d49b; background: #f3fbf6; }
.reading-question-card.is-wrong { border-color: #f1a7a7; background: #fff7f7; }
.reading-question-label { color: var(--read-accent-strong); font-size: 10px; font-weight: 900; }
.reading-question-ja { margin: 5px 0 0; font-family: "Noto Sans JP", sans-serif; font-size: 14px; font-weight: 700; line-height: 1.7; }
.reading-choice-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.reading-choice-button { display: grid; grid-template-columns: 31px minmax(0, 1fr) 20px; align-items: center; gap: 9px; width: 100%; min-height: 53px; padding: 8px 10px; border: 1px solid #e1e5eb; border-radius: 12px; color: #465164; background: #fff; text-align: left; cursor: pointer; transition: .18s ease; }
.reading-choice-button:hover:not(:disabled) { transform: translateY(-1px); border-color: #aee2b5; background: #f9fff9; }
.reading-choice-button:disabled { cursor: default; }
.reading-choice-number { display: grid; width: 29px; height: 29px; place-items: center; border-radius: 50%; color: #596171; background: #f1f3f6; font-size: 10px; font-weight: 800; }
.reading-choice-text { font-family: "Noto Sans JP", sans-serif; font-size: 12px; line-height: 1.55; }
.reading-choice-state { font-size: 14px; font-weight: 900; text-align: center; }
.reading-choice-button.is-selected.is-correct { color: #176b38; border-color: #61c686; background: #eaf8ef; }
.reading-choice-button.is-selected.is-wrong { color: #b42323; border-color: #ee8b8b; background: #fff0f0; }
.reading-choice-button.is-correct-answer:not(.is-selected) { border-style: dashed; border-color: #70cd91; background: #f2fbf5; }
.reading-choice-button.is-selected.is-correct .reading-choice-number,
.reading-choice-button.is-correct-answer .reading-choice-number { color: #fff; background: var(--read-green); }
.reading-choice-button.is-selected.is-wrong .reading-choice-number { color: #fff; background: var(--read-red); }
.reading-answer-feedback { margin-top: 11px; padding: 11px 12px; border-radius: 11px; font-size: 10px; font-weight: 600; line-height: 1.65; }
.reading-answer-feedback.is-correct { color: #176b38; background: #e8f8ee; }
.reading-answer-feedback.is-wrong { color: #a02a2a; background: #ffeded; }

.translation-section h3 { margin: 0 0 17px; font-size: 20px; }
.translation-section > p { margin: 0; color: #3d4858; font-size: 13px; line-height: 1.85; }
.translation-section > p + p { margin-top: 11px; }
.translation-block { padding: 15px 16px; border: 1px solid #e1e6e2; border-radius: 14px; background: #fbfcfb; }
.translation-block + .translation-block { margin-top: 12px; }
.translation-block h4 { margin: 0 0 8px; font-size: 14px; }
.translation-block p { margin: 0; color: #465164; font-size: 12px; line-height: 1.8; }
.translation-block p + p { margin-top: 6px; }
.translation-contact { margin-top: 16px !important; padding: 12px 13px; border-radius: 11px; color: #2f6840 !important; background: #eaf7ed; font-weight: 800; }

.vocabulary-table-wrap { overflow-x: auto; border: 1px solid #e0e5e1; border-radius: 15px; }
.vocabulary-table { width: 100%; min-width: 650px; border-collapse: collapse; }
.vocabulary-table th { padding: 11px 12px; color: #fff; background: linear-gradient(135deg, #72d87a, var(--read-accent-strong)); font-size: 10px; text-align: left; }
.vocabulary-table td { padding: 11px 12px; border-top: 1px solid #e5e9e6; color: #4d5869; font-size: 10px; line-height: 1.55; vertical-align: top; }
.vocabulary-table tbody tr:nth-child(even) { background: #f9fbf9; }
.vocabulary-word { color: var(--read-ink) !important; font-family: "Noto Sans JP", sans-serif; font-size: 13px !important; font-weight: 800; }
.vocabulary-reading { font-family: "Noto Sans JP", sans-serif; }
.vocabulary-hanviet { color: #39744a !important; font-weight: 800; }

.grammar-list { display: grid; gap: 13px; }
.grammar-card { padding: 16px 17px; border: 1px solid #e0e5e1; border-radius: 15px; background: #fbfcfb; }
.grammar-pattern { display: inline-flex; min-height: 31px; align-items: center; padding: 0 10px; border-radius: 9px; color: #fff; background: linear-gradient(135deg, #8f6ee8, var(--read-purple)); font-family: "Noto Sans JP", sans-serif; font-size: 12px; font-weight: 800; }
.grammar-meaning { margin: 10px 0 0; color: #394557; font-size: 12px; font-weight: 700; }
.grammar-example { margin: 10px 0 0; padding: 10px 11px; border-left: 3px solid #b69cf2; border-radius: 0 9px 9px 0; background: #f7f4ff; }
.grammar-example p { margin: 0; font-family: "Noto Sans JP", sans-serif; font-size: 12px; line-height: 1.7; }
.grammar-example span { display: block; margin-top: 4px; color: var(--read-muted); font-size: 10px; line-height: 1.6; }

.guidance-list { display: grid; gap: 13px; }
.guidance-card { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 13px; align-items: start; padding: 16px; border: 1px solid #e1e6e2; border-radius: 15px; background: #fbfcfb; }
.guidance-number { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 13px; color: #a56506; background: #fff4dc; font-size: 13px; font-weight: 900; }
.guidance-card h4 { margin: 0; font-size: 13px; }
.guidance-card p { margin: 6px 0 0; color: var(--read-muted); font-size: 11px; line-height: 1.75; }

.reading-navigation { display: grid; grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr); align-items: center; gap: 12px; margin-top: 20px; }
.nav-reading-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 7px; padding: 0 16px; border: 1px solid #e1e5eb; border-radius: 13px; color: #4f5869; background: #fff; font-size: 11px; font-weight: 800; cursor: pointer; transition: .2s ease; }
.nav-reading-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-reading-button:hover:not(:disabled) { transform: translateY(-2px); border-color: #aee2b5; color: var(--read-accent-strong); }
.nav-reading-button:disabled { opacity: .42; cursor: not-allowed; }
.nav-reading-next { justify-self: end; color: #fff; border-color: var(--read-accent-strong); background: linear-gradient(135deg, #67d976, var(--read-accent-strong)); box-shadow: 0 10px 20px rgba(79, 207, 102, .18); }
.nav-reading-next:hover:not(:disabled) { color: #fff; border-color: #329b4a; }
.reading-progress-dots { display: flex; align-items: center; justify-content: center; gap: 8px; }
.reading-progress-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: #d6dce4; cursor: pointer; transition: .18s ease; }
.reading-progress-dot.is-current { transform: scale(1.22); background: var(--read-blue); box-shadow: 0 0 0 4px rgba(59, 130, 246, .12); }
.reading-progress-dot.is-answered { background: var(--read-green); }
.reading-progress-dot.is-current.is-answered { background: var(--read-blue); }

.reading-side-panel { position: sticky; top: 104px; display: grid; gap: 16px; min-width: 0; }
.reading-support-card,
.reading-mascot-card { border: 1px solid rgba(221, 226, 235, .94); border-radius: 22px; background: rgba(255, 255, 255, .95); box-shadow: 0 14px 34px rgba(31, 41, 55, .07); }
.reading-support-card { padding: 18px; }
.reading-support-heading { display: flex; align-items: center; gap: 11px; padding: 2px 2px 15px; border-bottom: 1px solid #edf0f4; }
.reading-support-heading-icon { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(145deg, #83e489, var(--read-accent-strong)); }
.reading-support-heading-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.reading-support-heading div > span { color: var(--read-accent-strong); font-size: 8px; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.reading-support-heading h2 { margin: 3px 0 0; font-size: 16px; }
.reading-support-menu { display: grid; gap: 8px; margin-top: 13px; }
.reading-support-menu.is-locked { user-select: none; }
.reading-support-button { display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: center; gap: 11px; width: 100%; min-height: 62px; padding: 8px 10px; border: 1px solid transparent; border-radius: 14px; color: #384354; background: transparent; text-align: left; cursor: pointer; transition: .18s ease; }
.reading-support-button:hover:not(:disabled) { transform: translateX(2px); border-color: #dce5df; background: #f9fbf9; }
.reading-support-button:disabled,
.reading-support-button.is-disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.reading-support-button:disabled .support-icon,
.reading-support-button.is-disabled .support-icon { filter: grayscale(1); }
.reading-support-button.is-active { color: #267d3c; border-color: #afe0b6; background: linear-gradient(135deg, #f0fbf2, #e6f7e9); box-shadow: 0 7px 16px rgba(79, 207, 102, .08); }
.reading-support-button > span:last-child { font-size: 12px; font-weight: 800; }
.support-icon { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 13px; }
.support-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.support-translation { color: #d65d48; background: #fff0ec; }
.support-vocabulary { color: #298b55; background: #e9f8ef; }
.support-grammar { color: #7b58d7; background: #f2edff; }
.support-guidance { color: #d48813; background: #fff5df; }

.reading-mascot-card { position: relative; min-height: 174px; overflow: hidden; padding: 20px 148px 19px 18px; background: linear-gradient(145deg, #fff8f1, #fff1e5); }
.reading-mascot-card::before { content: ""; position: absolute; width: 110px; height: 110px; left: -45px; bottom: -50px; border-radius: 50%; background: rgba(255, 161, 91, .12); }
.reading-mascot-card div { position: relative; z-index: 2; }
.reading-mascot-card span { color: #b95717; font-size: 12px; font-weight: 800; }
.reading-mascot-card p { margin: 8px 0 0; color: #6e6f78; font-size: 10px; line-height: 1.65; }
.reading-mascot-card img { position: absolute; right: -13px; bottom: -14px; width: 168px; max-height: 190px; object-fit: cover; object-position: 58% 74%; mix-blend-mode: multiply; }

.reading-update-modal { position: fixed; z-index: 1900; inset: 0; display: grid; place-items: center; padding: 20px; }
.reading-update-modal[hidden] { display: none; }
.reading-update-backdrop { position: absolute; inset: 0; border: 0; background: rgba(15, 23, 42, .48); backdrop-filter: blur(5px); cursor: pointer; }
.reading-update-dialog { position: relative; z-index: 1; width: min(92vw, 410px); padding: 30px 26px 25px; border: 1px solid #cdebd1; border-radius: 24px; background: linear-gradient(145deg, #fff, #f0fbf2); box-shadow: 0 28px 70px rgba(15, 23, 42, .22); text-align: center; animation: readingModalIn .24s ease-out; }
.reading-update-icon { display: grid; width: 68px; height: 68px; margin: 0 auto 16px; place-items: center; border-radius: 22px; background: #e8f8eb; font-size: 31px; box-shadow: inset 0 0 0 1px #cdebd1; }
.reading-update-dialog h2 { margin: 0; font-size: 20px; }
.reading-update-dialog p { margin: 10px 0 21px; color: var(--read-muted); font-size: 12px; line-height: 1.7; }
.reading-update-dialog button:last-child { min-width: 130px; min-height: 42px; border: 0; border-radius: 12px; color: #fff; background: linear-gradient(135deg, #67d976, var(--read-accent-strong)); font-size: 12px; font-weight: 800; cursor: pointer; box-shadow: 0 10px 22px rgba(79, 207, 102, .22); }

.reading-toast { position: fixed; z-index: 2100; left: 50%; bottom: 28px; transform: translate(-50%, 16px); max-width: min(90vw, 460px); padding: 12px 16px; border: 1px solid #bfe5c5; border-radius: 13px; color: #206b37; background: rgba(240, 251, 242, .98); box-shadow: 0 15px 35px rgba(31, 41, 55, .16); font-size: 11px; font-weight: 800; opacity: 0; transition: opacity .2s ease, transform .2s ease; }
.reading-toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.reading-toast[hidden] { display: none; }

@keyframes readingModalIn {
  from { opacity: 0; transform: translateY(12px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

body.dark.n4-reading-page {
  --read-ink: #f3f5f8;
  --read-muted: #aeb6c4;
  --read-line: #343943;
  --read-card: #20242b;
  --read-page: #15181e;
  background:
    radial-gradient(circle at 11% 7%, rgba(79, 207, 102, .10), transparent 25%),
    radial-gradient(circle at 94% 16%, rgba(69, 112, 73, .15), transparent 23%),
    var(--read-page);
}

body.dark .reading-lesson-sidebar,
body.dark .reading-workspace,
body.dark .reading-support-card { background: rgba(25, 28, 34, .96); border-color: #343943; box-shadow: 0 18px 45px rgba(0, 0, 0, .24); }
body.dark .reading-level-card { border-color: #36533d; background: linear-gradient(140deg, #1d2a20, #17231a); }
body.dark .reading-level-card div span { color: #9db4a2; }
body.dark .reading-lesson-item { color: var(--read-ink); border-color: #3a404a; background: #242830; }
body.dark .reading-lesson-item:hover { border-color: #4c7557; background: #202b23; }
body.dark .reading-lesson-item.is-active { border-color: #4c7557; background: linear-gradient(135deg, #1d2a20, #203326); }
body.dark .lesson-number { color: #b6bdc8; background: #343943; }
body.dark .lesson-state { color: #9be8ad; background: #24462c; }
body.dark .lesson-sidebar-toggle { color: var(--read-accent); border-color: #48505d; background: #252a32; box-shadow: 0 8px 22px rgba(0, 0, 0, .28); }
body.dark .reading-hero-card { border-color: #36533d; background: linear-gradient(135deg, #22272e, #1d2a20); box-shadow: none; }
body.dark .reading-badge { color: #c2c8d1; border-color: #444b55; background: #292e36; }
body.dark .reading-badge.is-level { color: #a6efb6; border-color: #4c7557; background: #203426; }
body.dark .reading-title-vi { color: #c0c7d2; }
body.dark .reading-hero-image { background: #29312b; }
body.dark .reading-view-toolbar { border-color: #343943; background: #1d2128; }
body.dark .reading-home-button { color: #d1d6de; border-color: #414853; background: #282d35; }
body.dark .reading-home-button:hover,
body.dark .reading-home-button.is-active { color: #a8efb8; border-color: #4c7557; background: #203426; }
body.dark .reading-content-panel { border-color: #343943; background: #20242b; }
body.dark .reading-panel-heading { border-color: #343943; }
body.dark .reading-passage { color: #e8ebf0; }
body.dark .medical-guide > h3,
body.dark .medical-step,
body.dark .medical-web,
body.dark .notice-paper,
body.dark .message-paper { border-color: #3d4b40; background: #252a31; }
body.dark .medical-guide > h3 { background: linear-gradient(135deg, #203426, #252a31); }
body.dark .medical-step-label { background: #2a312c; }
body.dark .medical-step-label > span:first-child { background: #3a4740; }
body.dark .medical-contact,
body.dark .translation-contact { color: #a8efb8 !important; background: #203426; }
body.dark .notice-schedule div { border-color: #3b4540; }
body.dark .notice-schedule dt { background: #263b2b; }
body.dark .reading-blank { color: #b5efbf; border-color: #4f9b5c; background: #203426; }
body.dark .reading-passage-lead { color: #cbd3cc; border-left-color: #4f9b5c; background: #202f24; }
body.dark .reading-chat-author { color: #bec8c0; }
body.dark .reading-chat-bubble { border-color: #3b4740; background: #282e35; }
body.dark .reading-chat-message.is-carlos .reading-chat-bubble { border-color: #466f50; background: #203426; }
body.dark .reading-question-section { border-color: #343943; }
body.dark .reading-question-card { border-color: #3b414b; background: #252a31; }
body.dark .reading-question-card.is-correct { border-color: #3f7e54; background: #1f3024; }
body.dark .reading-question-card.is-wrong { border-color: #8b4545; background: #342323; }
body.dark .reading-choice-button { color: #e3e7ed; border-color: #424953; background: #2a2f37; }
body.dark .reading-choice-button:hover:not(:disabled) { border-color: #4c7557; background: #29342c; }
body.dark .reading-choice-number { color: #d5dae2; background: #3a4049; }
body.dark .reading-choice-button.is-selected.is-correct,
body.dark .reading-choice-button.is-correct-answer:not(.is-selected) { color: #b5f3c3; border-color: #4d9566; background: #203829; }
body.dark .reading-choice-button.is-selected.is-wrong { color: #ffc4c4; border-color: #a95959; background: #402626; }
body.dark .reading-answer-feedback.is-correct { color: #b5f3c3; background: #203829; }
body.dark .reading-answer-feedback.is-wrong { color: #ffc4c4; background: #402626; }
body.dark .translation-section > p,
body.dark .translation-block p { color: #c7cdd7; }
body.dark .translation-block,
body.dark .grammar-card,
body.dark .guidance-card { border-color: #3b414b; background: #252a31; }
body.dark .vocabulary-table-wrap { border-color: #3b414b; }
body.dark .vocabulary-table td { color: #c7cdd7; border-color: #3a4049; }
body.dark .vocabulary-table tbody tr:nth-child(odd) { background: #242830; }
body.dark .vocabulary-table tbody tr:nth-child(even) { background: #20242b; }
body.dark .vocabulary-word { color: #f0f2f5 !important; }
body.dark .vocabulary-hanviet { color: #a8efb8 !important; }
body.dark .grammar-meaning { color: #e1e5eb; }
body.dark .grammar-example { border-color: #8f74d1; background: #2d2938; }
body.dark .guidance-card p { color: #b6bdc8; }
body.dark .nav-reading-button { color: #d3d8e0; border-color: #414853; background: #282d35; }
body.dark .nav-reading-next { color: #fff; border-color: var(--read-accent-strong); background: linear-gradient(135deg, #67d976, var(--read-accent-strong)); }
body.dark .reading-support-heading { border-color: #343943; }
body.dark .reading-support-button { color: #d8dde4; }
body.dark .reading-support-button:hover:not(:disabled) { border-color: #414a43; background: #222a24; }
body.dark .reading-support-button.is-active { color: #b1efbe; border-color: #4c7557; background: linear-gradient(135deg, #1d2a20, #203326); }
body.dark .reading-update-dialog { background: linear-gradient(145deg, #20242b, #1d2a20); border-color: #4c7557; }

/* Mascot card intentionally keeps its original warm artwork in both themes. */
body.dark .reading-mascot-card { background: linear-gradient(145deg, #fff8f1, #fff1e5); border-color: rgba(221, 226, 235, .94); box-shadow: 0 14px 34px rgba(31, 41, 55, .07); }
body.dark .reading-mascot-card::before { background: rgba(255, 161, 91, .12); }
body.dark .reading-mascot-card span { color: #b95717; }
body.dark .reading-mascot-card p { color: #6e6f78; }
body.dark .reading-mascot-card img { opacity: 1; mix-blend-mode: multiply; }

@media (min-width: 1281px) {
  .reading-page-shell.is-lesson-sidebar-collapsed { grid-template-columns: 76px minmax(0, 1fr) 330px; }
}

@media (min-width: 821px) and (max-width: 1280px) {
  .reading-page-shell { grid-template-columns: 225px minmax(0, 1fr) 300px; width: min(1240px, calc(100% - 34px)); gap: 17px; }
  .reading-page-shell.is-lesson-sidebar-collapsed { grid-template-columns: 72px minmax(0, 1fr) 300px; }
  .reading-workspace { padding: 21px; }
  .reading-support-card { padding: 15px; }
}

@media (min-width: 821px) and (max-width: 1080px) {
  .reading-page-shell { grid-template-columns: 220px minmax(0, 1fr); }
  .reading-page-shell.is-lesson-sidebar-collapsed { grid-template-columns: 72px minmax(0, 1fr); }
  .reading-side-panel { position: static; grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .reading-support-menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 821px) {
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-lesson-sidebar { padding: 11px 8px; border-radius: 20px; }
  .reading-page-shell.is-lesson-sidebar-collapsed .lesson-sidebar-toggle svg { transform: rotate(180deg); }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-level-card { justify-content: center; min-height: 56px; padding: 6px; border-radius: 15px; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-level-card > div { display: none; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-level-icon { width: 44px; height: 44px; flex-basis: 44px; border-radius: 14px; font-size: 14px; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-lesson-heading { display: none; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-lesson-list { gap: 7px; max-height: calc(100vh - 185px); padding: 2px 0 6px; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-lesson-item { grid-template-columns: 1fr; justify-items: center; min-height: 48px; padding: 6px; border-radius: 13px; }
  .reading-page-shell.is-lesson-sidebar-collapsed .reading-lesson-item:hover { transform: translateY(-1px); }
  .reading-page-shell.is-lesson-sidebar-collapsed .lesson-copy,
  .reading-page-shell.is-lesson-sidebar-collapsed .lesson-state { display: none; }
  .reading-page-shell.is-lesson-sidebar-collapsed .lesson-number { width: 35px; height: 35px; border-radius: 11px; }
}

@media (max-width: 820px) {
  .reading-page-shell { width: min(100% - 24px, 760px); grid-template-columns: 1fr; padding-top: 18px; }
  .reading-lesson-sidebar,
  .reading-side-panel { position: static; max-height: none; }
  .reading-lesson-list { grid-template-columns: repeat(3, minmax(0, 1fr)); max-height: none; overflow: visible; }
  .reading-lesson-item { grid-template-columns: 33px minmax(0, 1fr); }
  .lesson-state { display: none; }
  .lesson-sidebar-toggle { display: none; }
  .reading-side-panel { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .reading-support-menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .reading-page-shell { width: min(100% - 18px, 640px); gap: 14px; }
  .reading-workspace { padding: 16px; border-radius: 20px; }
  .reading-heading { align-items: flex-start; gap: 11px; }
  .reading-heading-icon { width: 52px; height: 52px; flex-basis: 52px; border-radius: 17px; }
  .reading-heading-icon svg { width: 28px; height: 28px; }
  .reading-heading p { font-size: 9px; }
  .reading-heading h1 { font-size: 23px; }
  .reading-heading span { font-size: 11px; }
  .reading-hero-card { grid-template-columns: 1fr; }
  .reading-hero-copy { padding: 19px; }
  .reading-hero-image { max-height: 180px; min-height: 180px; }
  .reading-hero-image img { min-height: 180px; }
  .reading-view-toolbar { align-items: stretch; flex-direction: column; }
  .reading-view-toolbar > span { text-align: left; }
  .reading-content-panel { min-height: 430px; padding: 16px; }
  .medical-step { grid-template-columns: 1fr; }
  .medical-step-label { padding: 13px; }
  .reading-choice-list { grid-template-columns: 1fr; }
  .reading-navigation { grid-template-columns: 1fr 1fr; }
  .reading-progress-dots { grid-column: 1 / -1; grid-row: 1; }
  .nav-reading-button { grid-row: 2; padding: 0 9px; }
  .reading-side-panel { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
  .reading-lesson-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reading-panel-heading { flex-direction: column; }
  .reading-panel-count { align-self: flex-start; }
  .notice-schedule div { grid-template-columns: 1fr; }
  .notice-schedule dt { padding-bottom: 5px; }
  .notice-schedule dd { padding-top: 5px; }
  .reading-support-menu { grid-template-columns: 1fr; }
  .reading-mascot-card { min-height: 160px; padding-right: 132px; }
  .reading-mascot-card img { width: 150px; }
}

@media (prefers-reduced-motion: reduce) {
  .reading-page-shell,
  .lesson-sidebar-toggle svg,
  .reading-choice-button,
  .nav-reading-button,
  .reading-support-button,
  .reading-toast { transition: none !important; }
}

/* ===== Lesson 3 reading layouts ===== */
.conveyor-sushi-guide > p,
.missing-dog-poster > p { position: relative; }

.conveyor-sushi-guide {
  background:
    radial-gradient(circle at 92% 10%, rgba(126, 219, 122, .12), transparent 25%),
    linear-gradient(145deg, #fff, #fbfcfb);
}

.conveyor-sushi-guide h3 {
  letter-spacing: .08em;
}

.pet-details {
  position: relative;
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.pet-details > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid #dce5df;
  border-radius: 11px;
  background: rgba(255, 255, 255, .72);
}

.pet-details dt {
  padding: 9px 11px;
  background: #edf7ef;
  font-size: 12px;
  font-weight: 900;
}

.pet-details dd {
  margin: 0;
  padding: 9px 11px;
  font-size: 12px;
}

.missing-dog-contact {
  margin-top: 17px !important;
  padding: 13px 14px;
  border: 1px dashed #8bd095;
  border-radius: 12px;
  background: #eff9f1;
  color: #286e3a;
  font-weight: 800;
  text-align: center;
}

.kids-mail-paper {
  display: grid;
  gap: 14px;
}

.kids-mail-message {
  display: grid;
  gap: 6px;
  max-width: 92%;
}

.kids-mail-message.is-question { justify-self: start; }
.kids-mail-message.is-answer { justify-self: end; }
.kids-mail-message.is-answer .reading-chat-author { text-align: right; }
.kids-mail-message.is-question .reading-chat-bubble {
  border-radius: 16px 16px 16px 5px;
}
.kids-mail-message.is-answer .reading-chat-bubble {
  border-radius: 16px 16px 5px 16px;
  border-color: #bfe5c6;
  background: #ebf8ee;
}

body.dark .conveyor-sushi-guide {
  background:
    radial-gradient(circle at 92% 10%, rgba(126, 219, 122, .08), transparent 25%),
    #252a31;
}

body.dark .pet-details > div { border-color: #3d4b40; background: #282e35; }
body.dark .pet-details dt { background: #203426; color: #b7efc1; }
body.dark .pet-details dd { color: #d6dbe2; }
body.dark .missing-dog-contact { border-color: #4f9b5c; background: #203426; color: #b7efc1; }
body.dark .kids-mail-message.is-answer .reading-chat-bubble { border-color: #466f50; background: #203426; }

/* ===== Lesson 4 reading layouts ===== */
.beach-guide > p,
.priority-seat-speech > p,
.fireworks-guide > p { position: relative; }

.beach-guide {
  background:
    radial-gradient(circle at 90% 8%, rgba(65, 160, 216, .11), transparent 26%),
    linear-gradient(145deg, #fff, #f9fcfd);
}

.beach-caution-title {
  position: relative;
  margin: 23px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #dce8e1;
  text-align: center;
  font-size: 17px;
}

.beach-rule-list {
  position: relative;
  display: grid;
  gap: 11px;
  margin: 0;
  padding-left: 25px;
}

.beach-rule-list > li { padding-left: 4px; }
.beach-flag-list {
  display: grid;
  gap: 7px;
  margin: 9px 0 1px;
  padding: 11px 13px;
  border: 1px solid #dce5df;
  border-radius: 12px;
  background: rgba(247, 251, 248, .82);
  list-style: none;
}

.beach-flag-list b {
  display: inline-flex;
  min-width: 82px;
  align-items: center;
  gap: 6px;
}

.beach-flag-list b::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255,255,255,.85);
}

.flag-blue::before { background: #4b92da; }
.flag-yellow::before { background: #e8b93f; }
.flag-red::before { background: #e85d5d; }

.priority-seat-speech {
  background:
    linear-gradient(90deg, rgba(126, 219, 122, .07), transparent 23%),
    linear-gradient(145deg, #fff, #fbfcfb);
}

.priority-seat-speech h3 {
  margin-bottom: 21px;
  letter-spacing: .04em;
}

.priority-seat-speech > p + p {
  margin-top: 15px;
}

.fireworks-guide {
  background:
    radial-gradient(circle at 88% 10%, rgba(237, 178, 77, .13), transparent 25%),
    radial-gradient(circle at 8% 92%, rgba(126, 219, 122, .09), transparent 24%),
    linear-gradient(145deg, #fff, #fbfcfb);
}

.fireworks-guide h3 { letter-spacing: .05em; }

body.dark .beach-guide {
  background:
    radial-gradient(circle at 90% 8%, rgba(65, 160, 216, .08), transparent 26%),
    #252a31;
}
body.dark .beach-caution-title { border-color: #3d4740; }
body.dark .beach-flag-list { border-color: #3d4b40; background: #282e35; }
body.dark .beach-flag-list b::before { box-shadow: 0 0 0 3px rgba(37,42,49,.9); }
body.dark .priority-seat-speech {
  background:
    linear-gradient(90deg, rgba(126, 219, 122, .05), transparent 23%),
    #252a31;
}
body.dark .fireworks-guide {
  background:
    radial-gradient(circle at 88% 10%, rgba(237, 178, 77, .08), transparent 25%),
    radial-gradient(circle at 8% 92%, rgba(126, 219, 122, .06), transparent 24%),
    #252a31;
}

/* ===== Lesson 5 reading layouts ===== */
.culture-reading > p,
.mobile-mail-reading > p { position: relative; }

.culture-reading {
  background:
    radial-gradient(circle at 91% 8%, rgba(244, 124, 142, .12), transparent 27%),
    linear-gradient(145deg, #fff, #fffafb);
}

.culture-reading h3 {
  margin: 8px 0 19px;
  color: #253044;
  font-size: 22px;
  letter-spacing: .04em;
  text-align: center;
}

.philippines-new-year {
  background:
    radial-gradient(circle at 90% 9%, rgba(242, 181, 62, .14), transparent 27%),
    linear-gradient(145deg, #fff, #fffdf8);
}

.mobile-mail-reading {
  display: grid;
  gap: 14px;
}

.mobile-mail-thread { margin: 0; }
.mobile-mail-reading .reading-chat-message { max-width: 92%; }
.mobile-mail-reading .reading-chat-bubble p + p { margin-top: 9px; }
.mobile-mail-reading .message-from {
  margin-top: 10px !important;
  color: #4a6350;
  font-size: 12px;
}

.mail-second-lead { margin-top: 5px !important; }

body.dark .culture-reading {
  background:
    radial-gradient(circle at 91% 8%, rgba(244, 124, 142, .07), transparent 27%),
    #252a31;
}

body.dark .culture-reading h3 { color: #edf1f7; }
body.dark .philippines-new-year {
  background:
    radial-gradient(circle at 90% 9%, rgba(242, 181, 62, .08), transparent 27%),
    #252a31;
}
body.dark .mobile-mail-reading .message-from { color: #b9d7c0; }