/*
 * Wide-screen layout layer.
 * Every rule is gated at 768px so the established phone UI is untouched.
 */
@media (min-width: 768px) {
  body.ek-wide-layout {
    box-sizing: border-box;
    min-height: 100vh;
    padding-left: 84px !important;
    background-color: var(--bg, #f0ebe0);
    background-image:
      radial-gradient(circle at 100% 0, rgba(245, 194, 40, 0.16), transparent 28rem),
      radial-gradient(circle at 0 100%, rgba(91, 200, 112, 0.1), transparent 24rem);
    background-attachment: fixed;
  }

  body.ek-wide-layout > .app,
  body.ek-wide-layout > main.app {
    width: calc(100% - 40px);
    max-width: 1120px;
    margin-right: auto;
    margin-left: auto;
  }

  body.ek-wide-layout .bottom-nav {
    display: none !important;
  }

  .ek-side-nav {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1000;
    display: flex;
    width: 84px;
    padding: 14px 8px;
    flex-direction: column;
    color: #fff;
    background: var(--dark, var(--ink, #1a1a1a));
    border-right: 2px solid #1a1a1a;
    font-family: "Nunito", sans-serif;
  }

  .ek-side-nav__brand {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
  }

  .ek-side-nav__brand-mark {
    display: inline-flex;
    width: 46px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    border-radius: 13px;
    color: #1a1a1a;
    background: var(--primary, var(--yellow, #f5c228));
    box-shadow: 3px 3px 0 #fff;
    font-size: 17px;
    font-weight: 900;
    letter-spacing: -0.06em;
  }

  .ek-side-nav__brand-word {
    display: none;
  }

  .ek-side-nav__primary,
  .ek-side-nav__support {
    display: flex;
    flex-direction: column;
    gap: 7px;
  }

  .ek-side-nav__primary {
    margin-top: 22px;
  }

  .ek-side-nav__support {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #3a3a3a;
  }

  .ek-side-nav__link {
    display: flex;
    min-height: 58px;
    padding: 7px 4px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 2px solid transparent;
    border-radius: 14px;
    color: #b9b9b9;
    text-decoration: none;
    transition: color 120ms ease, background 120ms ease, transform 120ms ease;
  }

  .ek-side-nav__link:hover,
  .ek-side-nav__link:focus-visible {
    color: #fff;
    background: #2a2a2a;
  }

  .ek-side-nav__link.is-active {
    color: #1a1a1a;
    background: var(--primary, var(--yellow, #f5c228));
    border-color: #fff;
    box-shadow: 2px 2px 0 #fff;
  }

  .ek-side-nav__icon {
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
  }

  .ek-side-nav__icon svg {
    display: block;
    width: 23px;
    height: 23px;
  }

  .ek-side-nav__label {
    max-width: 68px;
    overflow: hidden;
    font-size: 9px;
    font-weight: 900;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ek-side-nav__link--support {
    min-height: 48px;
  }

  /* Dashboard and account pages */
  body[data-ek-page="home"] main,
  body[data-ek-page="profile"] main,
  body[data-ek-page="progress"] main,
  body[data-ek-page="settings"] main,
  body[data-ek-page="achievements"] main,
  body[data-ek-page="leaderboard"] main,
  body[data-ek-page="shop"] main,
  body[data-ek-page="vault"] main,
  body[data-ek-page="marks-vault"] main,
  body[data-ek-page="custom-paper"] main,
  body[data-ek-page="topics"] main,
  body[data-ek-page="vault-grade"] main {
    width: 100%;
    max-width: 1040px;
    margin-right: auto;
    margin-left: auto;
  }

  body[data-ek-page="home"] .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="achievements"] .badge-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body[data-ek-page="profile"] .stats-grid,
  body[data-ek-page="progress"] .overview-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body[data-ek-page="profile"] .achiev-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  body[data-ek-page="shop"] .powerup-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-ek-page="shop"] .cosmetic-scroll {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
  }

  body[data-ek-page="shop"] .cos-card {
    width: auto;
    min-width: 0;
  }

  body[data-ek-page="vault"] .tools-grid,
  body[data-ek-page="vault"] .vault-skel-tools-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-ek-page="vault"] .grade-grid,
  body[data-ek-page="vault"] .vault-skel-grade-grid,
  body[data-ek-page="custom-paper"] .grade-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  body[data-ek-page="topics"] main {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 10px 14px;
  }

  body[data-ek-page="topics"] :is(.stats-banner, .grade-label, .skel-stats, .skel-grade-label, .empty-state) {
    grid-column: 1 / -1;
  }

  body[data-ek-page="topics"] :is(.topic-card, .skel-topic-card) {
    height: 100%;
    margin-bottom: 0;
  }

  body[data-ek-page="vault-grade"] .topics-list,
  body[data-ek-page="vault-grade"] .exercises-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  /* Lesson discovery becomes a map workspace instead of a stretched phone. */
  body[data-ek-page="lessons"] > .app {
    display: grid;
    height: 100dvh;
    grid-template-columns: 220px minmax(0, 1fr);
    grid-template-rows: auto auto minmax(0, 1fr);
    overflow: hidden;
  }

  body[data-ek-page="lessons"] .top-bar {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  body[data-ek-page="lessons"] .journey-card {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }

  body[data-ek-page="lessons"] .legend-row {
    grid-column: 1;
    grid-row: 3;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    overflow: visible;
  }

  body[data-ek-page="lessons"] .map-scroll {
    grid-column: 2;
    grid-row: 2 / 4;
    padding: 18px 24px 28px;
    border-left: 2px solid #1a1a1a;
  }

  body[data-ek-page="lessons"] .map-wrapper {
    width: min(100%, 660px);
    margin: 0 auto;
  }

  /* Focused learning and assessment flows stay readable, but no longer phone-width. */
  body[data-ek-page="exercise"] > .app,
  body[data-ek-page="placement"] > .app,
  body[data-ek-page="results"] > .app,
  body[data-ek-page="comeback-plan"] > .app,
  body[data-ek-page="mistake-bank"] > .app {
    max-width: 900px;
  }

  body[data-ek-page="exercise"] main {
    width: 100%;
    max-width: 820px;
    margin-right: auto;
    margin-left: auto;
  }

  body[data-ek-page="exercise"] .actions {
    left: calc(84px + ((100vw - 84px) / 2));
    width: min(820px, calc(100vw - 132px));
    max-width: none;
  }

  body[data-ek-page="exercise"] .ai-sheet {
    max-width: 720px;
  }

  body[data-ek-page="placement"] > .app {
    padding-top: 32px;
  }

  body[data-ek-page="results"] > .app {
    padding-bottom: 32px;
  }

  body[data-ek-page="comeback-plan"] > .app,
  body[data-ek-page="mistake-bank"] > .app {
    padding-top: 28px;
  }

  /* Chat uses the width for message rhythm and two-column starter prompts. */
  body[data-ek-page="ai-tutor"] > .app {
    max-width: 1000px;
    background: rgba(255, 255, 255, 0.26);
    border-right: 2px solid rgba(26, 26, 26, 0.12);
    border-left: 2px solid rgba(26, 26, 26, 0.12);
  }

  body[data-ek-page="ai-tutor"] .chat-wrap {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-right: 24px;
    padding-left: 24px;
  }

  body[data-ek-page="ai-tutor"] .welcome {
    max-width: 760px;
    margin: 0 auto;
  }

  body[data-ek-page="ai-tutor"] .starter-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="ai-tutor"] .msg-bubble {
    max-width: 72%;
  }

  body[data-ek-page="ai-tutor"] .input-area {
    padding-right: max(24px, calc((100% - 900px) / 2));
    padding-left: max(24px, calc((100% - 900px) / 2));
  }

  body[data-ek-page="ai-tutor"] :is(.grade-sheet, .report-sheet) {
    max-width: 720px;
  }

  /* Province map keeps its tall composition but gains a proper canvas. */
  body[data-ek-page="province-road"] > .app {
    max-width: 1080px;
    background: rgba(255, 255, 255, 0.22);
    border-right: 2px solid rgba(26, 26, 26, 0.12);
    border-left: 2px solid rgba(26, 26, 26, 0.12);
  }

  body[data-ek-page="province-road"] .map-canvas {
    width: min(100%, 820px);
    margin: 0 auto;
  }

  body[data-ek-page="province-road"] .group-sheet {
    left: calc(84px + ((100vw - 84px) / 2));
    max-width: 720px;
  }

  /* Dense content pages get more columns without stretching reading lines. */
  body[data-ek-page="topic-learn"] > .app {
    max-width: 1040px;
  }

  body[data-ek-page="topic-learn"] .pane {
    padding-right: 24px;
    padding-left: 24px;
  }

  body[data-ek-page="topic-learn"] :is(.example-list, .level-list) {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="topic-learn"] .vocab-list.show {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="topic-learn"] :is(.swatch-grid, .emoji-grid) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  body.ek-wide-layout {
    padding-left: 216px !important;
  }

  .ek-side-nav {
    width: 216px;
    padding: 18px 14px;
  }

  .ek-side-nav__brand {
    justify-content: flex-start;
    gap: 11px;
    padding: 0 7px;
  }

  .ek-side-nav__brand-word {
    display: inline;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.04em;
  }

  .ek-side-nav__link {
    min-height: 50px;
    padding: 9px 12px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
  }

  .ek-side-nav__label {
    max-width: none;
    font-size: 13px;
  }

  .ek-side-nav__link--support {
    min-height: 44px;
  }

  body[data-ek-page="home"] .system-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-ek-page="achievements"] .badge-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  body[data-ek-page="achievements"] .milestone-list,
  body[data-ek-page="progress"] .milestone-list,
  body[data-ek-page="leaderboard"] .rank-list,
  body[data-ek-page="marks-vault"] #sections,
  body[data-ek-page="mistake-bank"] #content,
  body[data-ek-page="custom-paper"] .paper-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 12px 16px;
  }

  body[data-ek-page="mistake-bank"] #content > :is(.hero, .gate, .empty) {
    grid-column: 1 / -1;
  }

  body[data-ek-page="mistake-bank"] #content > .topic {
    height: 100%;
    margin-bottom: 0;
  }

  body[data-ek-page="leaderboard"] .badge-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  body[data-ek-page="shop"] .powerup-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-ek-page="shop"] .cosmetic-scroll {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  body[data-ek-page="vault"] .tools-grid,
  body[data-ek-page="vault"] .vault-skel-tools-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body[data-ek-page="vault"] .grade-grid,
  body[data-ek-page="vault"] .vault-skel-grade-grid,
  body[data-ek-page="custom-paper"] .grade-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  body[data-ek-page="vault-grade"] .exercises-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-ek-page="lessons"] > .app {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  body[data-ek-page="exercise"] .options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="exercise"] .actions {
    left: calc(216px + ((100vw - 216px) / 2));
    width: min(820px, calc(100vw - 264px));
  }

  body[data-ek-page="province-road"] .group-sheet {
    left: calc(216px + ((100vw - 216px) / 2));
  }

  body[data-ek-page="comeback-plan"] .plan {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-ek-page="comeback-plan"] .day {
    height: 100%;
  }

  body[data-ek-page="results"] main {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  body[data-ek-page="results"] main > :is(.result-hero, .vocab-section, .actions) {
    grid-column: 1 / -1;
  }

  body[data-ek-page="results"] :is(.accuracy-section, .rewards-section) {
    height: 100%;
  }
}