/* Shared classroom and administration layout. */
.student-area { --border: #e8e4df; --muted: #626a73; --shadow: 0 12px 32px rgba(34,37,42,.06); background: #f8f7f5; }
.student-area [hidden] { display: none !important; }
.student-area .shell { width: min(calc(100% - 64px), 1240px); }
.student-area .main { padding-block: 40px 72px; }
.student-area .site-header { background: #fff; }
.student-area .header-inner { padding-block: 14px; gap: 16px 24px; flex-wrap: wrap; }
.student-area .brand { min-width: 0; }
.student-area .brand img { flex-shrink: 0; }
.student-area .brand strong { font-size: .95rem; }
.student-area nav[aria-label="Cuenta"] { flex-wrap: wrap; gap: 10px 18px; font-size: .83rem; }
.student-area nav[aria-label="Cuenta"] > a { display: inline-flex; align-items: center; min-height: 40px; text-decoration: none; font-weight: 700; }
.student-area .user-name { max-width: 220px; }
.student-area .workspace-nav { display: flex; flex-wrap: wrap; gap: 6px; padding-block: 12px; border-top: 1px solid var(--border); }
.workspace-nav a { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 9px 16px; border-radius: 11px; color: var(--muted); text-decoration: none; font-size: .87rem; font-weight: 750; }
.workspace-nav a:hover { background: #f7f4f0; color: var(--charcoal); }
.workspace-nav a[aria-current="page"] { background: var(--pink); color: var(--burgundy); }
.student-area h1 { font-size: clamp(2rem, 3.7vw, 3rem); line-height: 1.12; letter-spacing: -.04em; overflow-wrap: anywhere; }
.student-area h2 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); line-height: 1.2; letter-spacing: -.025em; }
.student-area h3 { line-height: 1.25; overflow-wrap: anywhere; }
.student-area .eyebrow { margin-bottom: 10px; font-size: .69rem; letter-spacing: .14em; }
.student-area .dashboard-heading { align-items: center; gap: 24px; margin-bottom: 30px; }
.dashboard-heading > div { min-width: 0; }
.student-area .dashboard-heading > div:first-child { flex: 1; }
.student-area .dashboard-heading .button-row { flex-shrink: 0; max-width: 450px; }
.student-area .dashboard-heading p { max-width: 700px; font-size: .95rem; }
.student-area .button { min-height: 46px; padding: 12px 20px; border-radius: 12px; font-size: .87rem; line-height: 1.35; text-align: center; white-space: normal; gap: 8px; box-shadow: none; }
.student-area .button-small { min-height: 40px; padding: 10px 15px; font-size: .8rem; }
.student-area .button-secondary { border-color: #dcd8d2; }
.student-area .link-button { min-height: 40px; line-height: 1.4; text-align: left; font-size: .82rem; }
.student-area .button-row { align-items: center; }
.student-area .button-row > form { margin: 0; }
.student-area a:focus-visible, .student-area button:focus-visible, .student-area summary:focus-visible { outline: 3px solid #8a1f2d; outline-offset: 3px; }
.student-area .panel, .student-area .auth-card, .student-area .empty-state { min-width: 0; padding: 28px; border-radius: 20px; box-shadow: var(--shadow); }
.student-area .panel > :last-child { margin-bottom: 0; }
.student-area .admin-grid { align-items: start; gap: 24px; }
.student-area .field { min-width: 0; gap: 8px; }
.student-area .field input, .student-area .field select, .student-area .field textarea { min-width: 0; max-width: 100%; font-size: 1rem; }
.student-area .field textarea { min-height: 104px; line-height: 1.55; }
.student-area .field small { font-size: .77rem; line-height: 1.5; overflow-wrap: anywhere; }
.student-area .field > span { font-size: .83rem; }
.student-area .account-chip { min-width: 0; max-width: 330px; box-shadow: none; }
.ui-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-bottom: 28px; }
.ui-stat { display: flex; align-items: center; gap: 16px; min-width: 0; padding: 20px 22px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.ui-stat strong { color: var(--burgundy); font-size: 1.8rem; line-height: 1; }
.ui-stat span { color: var(--muted); font-size: .84rem; line-height: 1.4; }
.ui-create { margin-bottom: 28px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.ui-create > summary { padding: 20px 24px; cursor: pointer; font-weight: 800; color: var(--burgundy); }
.ui-create[open] > summary { border-bottom: 1px solid var(--border); }
.ui-create-body { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(230px,.7fr); gap: 32px; padding: 26px; }
.ui-create-body form { min-width: 0; }
.ui-guidance { padding: 22px; border-radius: 14px; background: #fbf7f2; align-self: start; }
.ui-guidance h3 { font-size: 1rem; }
.ui-guidance ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: .86rem; }
.ui-guidance li + li { margin-top: 12px; }
.ui-guidance p { font-size: .8rem; line-height: 1.6; }
.form-pair { display: grid; grid-template-columns: minmax(0,1fr) 150px; gap: 20px; }
.catalog-toolbar { display: flex; align-items: end; flex-wrap: wrap; gap: 16px; margin-bottom: 22px; }
.catalog-toolbar .field { margin: 0; flex: 1 1 250px; }
.catalog-toolbar .field.filter-state { flex: 0 1 210px; }
.catalog-toolbar .filter-count { margin: 0 0 12px; color: var(--muted); font-size: .8rem; }
.ui-products { display: grid; gap: 16px; }
.ui-product { min-width: 0; padding: 24px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.ui-product-heading { display: flex; align-items: start; gap: 16px; margin-bottom: 14px; }
.ui-product-icon { display: grid; flex: 0 0 48px; width: 48px; height: 48px; place-items: center; color: var(--burgundy); background: var(--pink); border-radius: 13px; font-size: .8rem; font-weight: 850; }
.ui-product-heading > div { min-width: 0; flex: 1; }
.ui-product-heading h3 { margin: 5px 0 8px; font-size: 1.3rem; }
.ui-product-heading p { margin: 0; max-width: 780px; font-size: .89rem; overflow-wrap: anywhere; }
.ui-product-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 16px 0; color: var(--muted); font-size: .8rem; }
.ui-product-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }
.ui-editor { margin-top: 14px; }
.ui-editor > summary { width: fit-content; padding: 10px 0; color: var(--burgundy); font-size: .87rem; font-weight: 800; cursor: pointer; }
.ui-editor[open] > summary { margin-bottom: 12px; }
.ui-editor .product-edit-form { padding: 20px; border: 1px solid var(--border); border-radius: 14px; background: #faf9f7; }
.ui-editor .button-row { justify-content: flex-start; }
.ui-product-address { display: block; margin-top: 14px; color: var(--muted); font-size: .76rem; overflow-wrap: anywhere; }
.ui-product-address code { font: inherit; }
.inline-confirm { max-width: 440px; margin-top: 12px; padding: 16px; border: 1px solid #e2c3c5; border-radius: 12px; background: #fff7f6; }
.inline-confirm p { margin: 0 0 14px; color: var(--charcoal); font-size: .85rem; overflow-wrap: anywhere; }
.status-draft { color: #80561b; background: #fff2d8; }
.status-archived { color: #626a73; background: #eeeff1; }
.student-area .status { max-width: 100%; font-size: .66rem; letter-spacing: .035em; line-height: 1.45; }
.student-area .material-admin-card { grid-template-columns: minmax(0,1fr); align-items: stretch; padding: 22px; gap: 18px; background: #fff; }
.student-area .material-file-meta { min-width: 0; gap: 8px; }
.student-area .material-file-meta strong { font-size: 1rem; }
.student-area .material-file-meta small { font-size: .8rem; }
.student-area .material-admin-controls { gap: 20px; }
.student-area .material-edit-form { grid-template-columns: minmax(0,1fr) 110px; gap: 18px; align-items: end; }
.student-area .material-edit-form .field:nth-of-type(1), .student-area .material-edit-form .field:nth-of-type(2) { grid-column: 1 / -1; }
.student-area .material-edit-form .material-order { grid-column: 1; max-width: 150px; }
.student-area .material-edit-form .button { grid-column: 2; min-width: 0; }
.student-area .material-edit-form textarea { height: auto; min-height: 100px; }
.student-area .material-replace-form { gap: 16px; padding: 18px; align-items: end; }
.student-area .upload-summary { gap: 14px; }
.student-area .upload-summary > div { padding: 20px; }
.student-area .table-panel { padding: 26px; }
.student-area table { table-layout: fixed; }
.student-area th, .student-area td { overflow-wrap: anywhere; padding: 16px 12px; }
.student-area td { font-size: .82rem; }
.student-area td:first-child { width: 25%; }
.student-area .table-scroll { border-radius: 12px; }
.student-area .table-scroll th { background: #f8f7f5; }
.student-area .products-section { margin-bottom: 38px; }
.student-area .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.section-count { flex-shrink: 0; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .8rem; background: #fff; }
.student-area .product-card { min-width: 0; min-height: 310px; display: flex; flex-direction: column; align-items: flex-start; padding: 30px; border: 1px solid #eee1da; border-radius: 22px; background: #fff; color: var(--charcoal); box-shadow: var(--shadow); }
.student-area .product-card:nth-child(4n+1) { border-top: 4px solid var(--coral); }
.student-area .product-card:nth-child(4n+2) { border-top: 4px solid var(--burgundy); }
.student-area .product-card:nth-child(4n+3) { border-top: 4px solid #c7a784; }
.student-area .product-card:nth-child(4n) { border-top: 4px solid #515760; }
.student-area .product-card h3 { color: var(--charcoal); font-size: clamp(1.4rem,2.3vw,1.9rem); max-width: 100%; }
.student-area .product-card > p:not(.eyebrow) { color: var(--muted); margin: 0 0 22px; overflow-wrap: anywhere; }
.student-area .product-card .button { position: relative; inset: auto; margin-top: auto; }
.student-area .product-mark { font-size: 10rem; bottom: 0; right: 10px; opacity: .28; pointer-events: none; }
.student-area .product-mark span { bottom: 0; }
.student-area .product-card .card-resource-count { position: relative; z-index: 1; color: var(--muted); margin-bottom: 16px; font-size: .8rem; }
.student-area .kanji-spotlight { margin-bottom: 24px; box-shadow: none; border-radius: 20px; }
.student-area .quick-practice { margin: 0 0 24px; }
.student-area .product-hero { max-width: none; margin-bottom: 30px; padding: 28px 30px; background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--coral); border-radius: 18px; }
.student-area .back-link { margin-bottom: 22px; font-size: .85rem; }
.student-area .resource-card { min-width: 0; gap: 20px; padding: 22px; }
.student-area .resource-card > div { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.student-area .resource-card .button { flex-shrink: 0; }
.resource-format { display: inline-block; margin-bottom: 10px; padding: 4px 9px; color: var(--burgundy); background: var(--pink); border-radius: 6px; font-size: .68rem; font-weight: 800; }
.student-area .resource-card strong { display: block; font-size: 1rem; }
.student-area .resource-card small { font-size: .77rem; }
.student-area .locked-product-card { grid-template-columns: auto minmax(0,1fr); }
.student-area .locked-product-card .button { grid-column: 2; justify-self: start; }
.student-area .locked-product-title { flex-wrap: wrap; gap: 6px; }
.student-area .locked-product-copy p { white-space: normal; overflow-wrap: anywhere; }
.student-area .auth-layout { gap: 50px; }
.student-area .auth-intro::before { content: none; }
.student-area .auth-card { padding: 32px; }
@media (max-width: 1000px) {
  .student-area .dashboard-heading { flex-direction: column; align-items: stretch; }
  .student-area .dashboard-heading .button-row { max-width: none; }
  .student-area .admin-grid { grid-template-columns: 1fr; }
  .student-area .account-chip { max-width: none; }
  .ui-create-body { grid-template-columns: 1fr; }
  .ui-guidance ol { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
  .ui-guidance li + li { margin-top: 0; }
}
@media (max-width: 700px) {
  .student-area .shell { width: calc(100% - 28px); }
  .student-area .main { padding-block: 26px 48px; }
  .student-area .header-inner { align-items: start; gap: 10px; }
  .student-area .header-inner .brand { width: 100%; }
  .student-area .brand strong { font-size: .85rem; }
  .student-area .brand small { display: block; }
  .student-area nav[aria-label="Cuenta"] { width: 100%; justify-content: space-between; gap: 6px 12px; }
  .student-area .user-name { display: none; }
  .student-area.is-student .header-inner { align-items: center; }
  .student-area.is-student .header-inner .brand { width: auto; flex: 1; }
  .student-area.is-student nav[aria-label="Cuenta"] { width: auto; flex-shrink: 0; }
  .student-area .workspace-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .workspace-nav a { padding: 10px 8px; font-size: .82rem; }
  .student-area .dashboard-heading { margin-bottom: 24px; }
  .student-area .dashboard-heading h1 { font-size: 2.05rem; }
  .student-area .panel, .student-area .table-panel, .ui-product, .ui-create-body { padding: 20px; }
  .ui-stats { gap: 8px; }
  .ui-stat { flex-direction: column; align-items: start; gap: 8px; padding: 14px 12px; }
  .ui-stat strong { font-size: 1.5rem; }
  .ui-stat span { font-size: .74rem; }
  .ui-product-heading { gap: 12px; }
  .ui-product-icon { flex-basis: 38px; width: 38px; height: 38px; }
  .ui-product-heading h3 { font-size: 1.15rem; }
  .ui-product-actions { align-items: stretch; }
  .ui-product-actions > .button-row { flex: 1 1 100%; }
  .form-pair { grid-template-columns: 1fr; gap: 0; }
  .ui-guidance ol { display: block; }
  .ui-guidance li + li { margin-top: 12px; }
  .student-area .material-edit-form, .student-area .material-replace-form { grid-template-columns: minmax(0,1fr); }
  .student-area .material-edit-form .button, .student-area .material-edit-form .material-order { grid-column: auto; }
  .student-area .material-admin-card { padding: 18px; }
  .student-area .product-card { min-height: 290px; padding: 24px; }
  .student-area .resource-card { flex-direction: column; align-items: stretch; }
  .student-area .table-scroll { overflow: visible; }
  .student-area .responsive-table, .responsive-table tbody, .responsive-table tr, .responsive-table td { display: block; width: 100%; }
  .responsive-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .responsive-table tr { margin-bottom: 16px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 14px; }
  .student-area .responsive-table td { width: auto; padding: 10px 0; border-bottom: 1px solid #f0ece8; }
  .responsive-table td:last-child { border-bottom: 0; }
  .responsive-table td::before { content: attr(data-label); display: block; margin-bottom: 5px; color: var(--muted); font-size: .66rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
  .student-area .section-heading { flex-wrap: wrap; }
  .student-area .product-hero { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) { .student-area * { scroll-behavior: auto; } }