:root {
  color-scheme: light;
  --ink: #000000;
  --blue: #0649d8;
  --line: #bcbcbc;
  --panel-line: #dedede;
  --paper: #ffffff;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Helvetica Neue", Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  min-height: clamp(104px, 9.4vw, 178px);
  display: grid;
  grid-template-columns: minmax(220px, 370px) minmax(240px, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 3.2vw, 82px);
  padding: clamp(14px, 1.5vw, 30px) clamp(18px, 1.8vw, 30px);
  border-bottom: 3px solid var(--line);
  background: #ffffff;
}

.brand {
  display: flex;
  align-items: center;
  width: clamp(220px, 17vw, 335px);
  min-width: 0;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav,
.account-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 82px);
  min-width: 0;
}

.account-nav {
  justify-content: end;
  flex-wrap: wrap;
}

.nav-link {
  color: #000000;
  font-size: clamp(30px, 2.2vw, 46px);
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
}

.nav-button {
  border: 0;
  padding: 0;
  background: transparent;
}

.nav-link:hover,
.date-link:hover,
.today-links a:hover {
  color: var(--blue);
}

.account-name {
  max-width: min(300px, 30vw);
  overflow: hidden;
  border: 0;
  padding: 0;
  color: #000000;
  background: transparent;
  font-size: clamp(30px, 2.2vw, 46px);
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-button:hover {
  color: var(--blue);
}

main {
  min-height: calc(100vh - clamp(104px, 9.4vw, 178px));
}

.home-page {
  width: min(1720px, calc(100vw - clamp(22px, 5vw, 120px)));
  display: grid;
  gap: clamp(26px, 3.2vw, 54px);
  margin: clamp(28px, 3vw, 54px) auto 74px;
}

.level-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.12fr);
  align-items: start;
  gap: clamp(28px, 4.5vw, 82px);
}

.today-card,
.previous-card {
  min-width: 0;
  overflow: hidden;
  border: clamp(5px, 0.45vw, 7px) solid var(--panel-line);
  border-radius: clamp(36px, 4vw, 78px);
  background: #ffffff;
}

.today-card {
  min-height: clamp(330px, 24vw, 460px);
  padding: clamp(28px, 3vw, 42px) clamp(24px, 3vw, 48px);
}

.previous-card {
  min-height: clamp(330px, 24vw, 445px);
  max-height: clamp(330px, 24vw, 445px);
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 3vw, 47px) clamp(22px, 2.4vw, 34px) clamp(28px, 2.6vw, 40px)
    clamp(28px, 3.2vw, 54px);
}

.today-card h1,
.previous-card h2 {
  margin: 0;
  font-size: clamp(25px, 2.15vw, 36px);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: 0;
}

.previous-card h2 {
  flex: 0 0 auto;
  margin-bottom: clamp(22px, 2.3vw, 34px);
}

.today-links {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: clamp(10px, 1vw, 18px) clamp(14px, 1.35vw, 26px);
  margin-top: clamp(28px, 3vw, 40px);
  font-size: clamp(24px, 2.05vw, 36px);
  line-height: 1.05;
}

.today-links .date-number {
  font-size: 1.03em;
}

.today-links span {
  white-space: nowrap;
}

sup {
  position: relative;
  top: -0.32em;
  font-size: 48%;
  line-height: 0;
}

.date-link,
.today-links a {
  color: var(--blue);
  font-weight: 400;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.topics {
  margin-top: clamp(28px, 3vw, 40px);
}

.topics h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 1.8vw, 31px);
  font-weight: 400;
  line-height: 1.1;
}

.topics ul {
  margin: 0;
  padding-left: clamp(24px, 2vw, 34px);
  font-size: clamp(17px, 1.35vw, 24px);
  line-height: 1.22;
}

.as-section .today-card h1 {
  font-size: clamp(23px, 1.8vw, 30px);
}

.as-section .previous-card h2 {
  font-size: clamp(24px, 2vw, 34px);
}

.previous-list {
  min-height: 0;
  flex: 1 1 auto;
  display: grid;
  align-content: start;
  gap: clamp(14px, 1.35vw, 24px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 clamp(16px, 2vw, 28px) 2px 4px;
  scrollbar-color: #d8d8d8 transparent;
  scrollbar-width: thin;
}

.previous-list::-webkit-scrollbar {
  width: 12px;
}

.previous-list::-webkit-scrollbar-track {
  background: transparent;
}

.previous-list::-webkit-scrollbar-thumb {
  min-height: 76px;
  border-radius: 8px;
  background: #d8d8d8;
}

.previous-row {
  display: grid;
  grid-template-columns: minmax(92px, 0.62fr) minmax(116px, 0.7fr) minmax(108px, 0.64fr);
  align-items: baseline;
  column-gap: clamp(8px, 1.2vw, 20px);
  font-size: clamp(19px, 1.55vw, 28px);
  line-height: 1;
}

.previous-row > * {
  min-width: 0;
}

.previous-date {
  white-space: nowrap;
}

.blank-page {
  min-height: calc(100vh - 181px);
  background: #ffffff;
}

.resource-page {
  width: min(1280px, calc(100vw - clamp(22px, 5vw, 120px)));
  margin: clamp(28px, 3vw, 54px) auto 74px;
}

.resource-shell {
  display: grid;
  gap: 24px;
}

.resource-header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px 18px;
}

.resource-header h1 {
  margin: 0;
  font-size: clamp(32px, 3vw, 48px);
  font-weight: 500;
  line-height: 1.1;
}

.resource-header p {
  grid-column: 2;
  margin: 0;
  color: #333333;
  font-size: clamp(18px, 1.6vw, 24px);
}

.resource-back {
  min-width: 120px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
}

.resource-list {
  display: grid;
  gap: 18px;
}

.resource-card {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 2.6vw, 38px);
  border: clamp(4px, 0.35vw, 6px) solid var(--panel-line);
  border-radius: clamp(28px, 3vw, 54px);
  background: #ffffff;
}

.resource-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.resource-card h2 {
  margin: 0;
  font-size: clamp(24px, 2vw, 34px);
  font-weight: 500;
}

.resource-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.resource-actions .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  white-space: nowrap;
}

.resource-no-pdf,
.empty-resource-text {
  color: #555555;
}

.resource-content {
  display: grid;
  gap: 12px;
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.4;
}

.resource-content p {
  margin: 0;
  white-space: pre-wrap;
}

.pdf-preview-list {
  display: grid;
  gap: 18px;
}

.pdf-page-frame {
  width: min(100%, 980px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.pdf-page-image {
  display: block;
  width: 100%;
  height: auto;
}

.locked-resource-card {
  position: relative;
  min-height: clamp(260px, 27vw, 390px);
  overflow: hidden;
}

.locked-resource-inner {
  pointer-events: none;
  user-select: none;
  filter: blur(7px);
  opacity: 0.42;
}

.locked-preview-page {
  width: min(100%, 900px);
  min-height: clamp(190px, 20vw, 300px);
  display: grid;
  align-content: start;
  gap: 14px;
  margin: 0 auto;
  padding: clamp(24px, 3vw, 42px);
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    repeating-linear-gradient(180deg, #f3f3f3 0 2px, transparent 2px 28px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.locked-preview-line {
  display: block;
  height: 14px;
  border-radius: 999px;
  background: #d8d8d8;
}

.resource-lock-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: clamp(20px, 3vw, 36px);
  background: rgba(255, 255, 255, 0.66);
}

.resource-lock-panel {
  width: min(430px, 100%);
  display: grid;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 32px);
  border: 4px solid var(--panel-line);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
  text-align: center;
}

.resource-lock-panel h3 {
  margin: 0;
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 600;
  line-height: 1.12;
}

.resource-lock-panel p {
  margin: 0;
  color: #333333;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.35;
}

.unlock-button {
  width: 100%;
}

body.is-blank-route .home-page {
  display: none;
}

body.is-blank-route .blank-page {
  display: block;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.28);
}

#adminModal {
  z-index: 30;
}

#authModal {
  z-index: 40;
}

#noticeModal {
  z-index: 80;
}

#confirmModal {
  z-index: 90;
  background: rgba(0, 0, 0, 0.36);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal-panel {
  position: relative;
  width: min(520px, 100%);
  max-height: min(90vh, 900px);
  overflow-y: auto;
  padding: 34px;
  border: 7px solid var(--panel-line);
  border-radius: 34px;
  background: #ffffff;
}

.admin-panel {
  width: min(1120px, 100%);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  color: #000000;
  background: #ffffff;
  font-size: 22px;
  line-height: 1;
}

.modal-panel h2 {
  margin: 0 46px 10px 0;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.15;
}

.modal-note {
  margin: 0 0 22px;
  color: #333333;
  font-size: 18px;
  line-height: 1.4;
}

.modal-panel form,
.modal-panel label {
  display: grid;
  gap: 8px;
}

.modal-panel form {
  gap: 16px;
}

.modal-panel label {
  color: #000000;
  font-size: 17px;
}

.modal-panel input,
.modal-panel select,
.modal-panel textarea {
  width: 100%;
  border: 2px solid var(--panel-line);
  border-radius: 14px;
  padding: 12px 14px;
  color: #000000;
  background: #ffffff;
}

.modal-panel textarea {
  resize: vertical;
}

.action-button {
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 600;
}

.secondary-button {
  min-height: 44px;
  border: 2px solid var(--blue);
  border-radius: 14px;
  color: var(--blue);
  background: #ffffff;
  font-weight: 600;
}

.secondary-button:hover {
  color: #ffffff;
  background: var(--blue);
}

.confirm-panel {
  width: min(440px, 100%);
}

.account-panel {
  width: min(560px, 100%);
}

.billing-box {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 2px solid #eeeeee;
  border-radius: 18px;
  background: #ffffff;
}

.billing-box h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

.billing-box p {
  margin: 0;
  color: #333333;
  font-size: 17px;
  line-height: 1.4;
}

.billing-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.action-button.danger-confirm {
  background: #d92d20;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: #0649d8;
  font-size: 16px;
  line-height: 1.35;
}

.form-message.is-error {
  color: #b42318;
}

.field-help {
  margin: -6px 0 4px;
  color: #444444;
  font-size: 15px;
  line-height: 1.35;
}

.admin-layout {
  display: grid;
  gap: 18px;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}

.admin-tab {
  min-height: 42px;
  border: 2px solid var(--panel-line);
  border-radius: 12px;
  padding: 0 18px;
  color: #000000;
  background: #ffffff;
  font-weight: 500;
}

.admin-tab.active {
  border-color: var(--blue);
  color: #ffffff;
  background: var(--blue);
}

.admin-toolbar {
  display: grid;
  gap: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.admin-editor-section {
  display: grid;
  gap: 14px;
  padding-top: 4px;
}

.section-heading {
  display: grid;
  gap: 4px;
}

.section-heading h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

.section-heading p {
  margin: 0;
  color: #444444;
  font-size: 16px;
  line-height: 1.35;
}

.question-editor {
  display: grid;
  gap: 14px;
}

.question-admin-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 2px solid #eeeeee;
  border-radius: 18px;
}

.question-admin-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.pdf-upload-grid,
.pdf-status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pdf-status-grid p {
  margin: 0;
  color: #444444;
  font-size: 14px;
  line-height: 1.35;
}

.pdf-status-grid a {
  color: var(--blue);
}

.accounts-table-wrap {
  overflow-x: auto;
  border: 2px solid #eeeeee;
  border-radius: 18px;
}

.accounts-table {
  width: 100%;
  min-width: 1040px;
  border-collapse: collapse;
  font-size: 15px;
}

.accounts-table th,
.accounts-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #eeeeee;
  text-align: left;
  vertical-align: top;
}

.accounts-table th {
  font-weight: 600;
  background: #fafafa;
}

.accounts-table tr:last-child td {
  border-bottom: 0;
}

.danger-button {
  min-height: 34px;
  border: 2px solid #d92d20;
  border-radius: 10px;
  padding: 0 12px;
  color: #d92d20;
  background: #ffffff;
  font-weight: 600;
}

.danger-button:hover {
  color: #ffffff;
  background: #d92d20;
}

.checkbox-label {
  display: flex !important;
  grid-template-columns: none !important;
  align-items: center;
  gap: 10px !important;
}

.checkbox-label input {
  width: auto;
}

.test-email-form {
  margin-top: 6px;
  padding-top: 18px;
  border-top: 2px solid #eeeeee;
}

@media (max-width: 1420px) {
  .site-header {
    grid-template-columns: minmax(220px, 320px) minmax(210px, 1fr) auto;
  }

  .level-section {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.12fr);
    gap: clamp(28px, 3.5vw, 52px);
  }

  .previous-row {
    grid-template-columns: minmax(86px, 0.62fr) minmax(106px, 0.7fr) minmax(100px, 0.64fr);
  }
}

@media (max-width: 1120px) {
  .site-header {
    height: auto;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
    padding: 22px 26px;
  }

  .main-nav,
  .account-nav {
    justify-content: start;
    gap: 32px;
    flex-wrap: wrap;
  }

  .home-page {
    width: min(760px, calc(100vw - 36px));
    gap: 30px;
    margin-top: 30px;
  }

  .level-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .today-card,
  .previous-card {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .brand {
    width: min(310px, 82vw);
  }

  .nav-link {
    font-size: 30px;
  }

  .main-nav,
  .account-nav {
    flex-wrap: wrap;
  }

  .account-name {
    max-width: 100%;
    font-size: 30px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .today-card,
  .previous-card {
    border-width: 6px;
    border-radius: 42px;
  }

  .today-card {
    padding: 30px 24px;
  }

  .previous-card {
    padding: 32px 18px 32px 24px;
  }

  .today-links,
  .previous-row {
    font-size: 22px;
  }

  .today-links {
    flex-wrap: wrap;
  }

  .previous-list {
    padding-right: 16px;
  }

  .previous-row {
    grid-template-columns: minmax(84px, 1fr) minmax(104px, auto) minmax(96px, auto);
    column-gap: 9px;
  }

  .resource-header,
  .resource-card-header,
  .billing-actions,
  .pdf-upload-grid,
  .pdf-status-grid {
    grid-template-columns: 1fr;
  }

  .resource-header p {
    grid-column: 1;
  }

  .resource-card-header {
    display: grid;
  }

  .resource-actions {
    align-items: stretch;
  }
}

@media (max-width: 520px) {
  .today-card h1,
  .previous-card h2,
  .as-section .today-card h1,
  .as-section .previous-card h2 {
    font-size: 26px;
  }

  .previous-row {
    grid-template-columns: 1fr 1fr;
    row-gap: 8px;
  }

  .previous-date {
    grid-column: 1 / -1;
  }
}