:root {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: #17364e;
  background: #edf3f6;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
}

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

.admin-login-page {
  display: grid;
  min-height: 100vh;
  padding: 30px;
  background:
    radial-gradient(circle at 85% 15%, rgba(35, 140, 184, .35), transparent 30%),
    radial-gradient(circle at 10% 90%, rgba(122, 42, 135, .3), transparent 34%),
    #0e2e46;
  place-items: center;
}

.admin-login {
  width: min(520px, 100%);
  padding: clamp(30px, 6vw, 60px);
  background: #fff;
  box-shadow: 0 30px 80px rgba(2, 20, 34, .32);
}

.admin-login img {
  width: 125px;
}

.admin-login > p {
  margin: 35px 0 8px;
  color: #237eae;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.admin-login h1 {
  margin: 0 0 10px;
  color: #17364e;
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.02;
}

.admin-login > span {
  color: #657e8f;
  line-height: 1.6;
}

.admin-login form {
  display: grid;
  gap: 9px;
  margin-top: 30px;
}

.admin-login label {
  font-size: .78rem;
  font-weight: 900;
}

.admin-login input {
  padding: 14px;
  border: 1px solid #bdced8;
}

.admin-login button {
  margin-top: 7px;
  padding: 14px;
  border: 0;
  color: #fff;
  background: #1f6e9a;
  font-weight: 900;
  cursor: pointer;
}

.login-error {
  margin-top: 20px;
  padding: 12px;
  color: #9d1e36;
  background: #ffe9ed;
}

.login-links {
  display: flex;
  gap: 15px;
  margin-top: 22px;
}

.login-links a {
  color: #24678d;
  font-size: .78rem;
  font-weight: 800;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 260px 1fr auto;
  gap: clamp(14px, 2vw, 30px);
  align-items: center;
  min-height: 76px;
  padding: 10px 25px;
  color: #fff;
  background: #102e45;
}

.admin-topbar > a {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: 0;
  color: #fff;
  text-decoration: none;
}

.admin-topbar img {
  width: 78px;
  filter: brightness(0) invert(1);
}

.admin-topbar > div {
  display: grid;
  gap: 3px;
}

.admin-topbar > div span {
  color: #8faebe;
  font-size: .72rem;
}

.admin-topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: flex-end;
}

.admin-topbar nav a {
  padding: 9px 12px;
  color: #d8e8ef;
  border: 1px solid rgba(255, 255, 255, .15);
  font-size: .76rem;
  font-weight: 800;
  text-decoration: none;
}

.logout-form {
  margin: 0;
}

.logout-form button {
  height: 100%;
  padding: 9px 12px;
  color: #d8e8ef;
  border: 1px solid rgba(255, 255, 255, .15);
  background: transparent;
  font: inherit;
  font-size: .76rem;
  font-weight: 800;
  cursor: pointer;
}

.admin-shell {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: calc(100vh - 76px);
}

.admin-sidebar {
  position: sticky;
  top: 76px;
  overflow: auto;
  height: calc(100vh - 76px);
  padding: 28px 18px;
  border-right: 1px solid #d2dfe5;
  background: #fff;
}

.admin-sidebar > p {
  margin: 0 12px 12px;
  color: #7b919e;
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.admin-sidebar nav,
.admin-course-list {
  display: grid;
  gap: 4px;
}

.admin-sidebar button {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 9px;
  align-items: center;
  width: 100%;
  padding: 12px;
  border: 0;
  color: #496477;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.admin-sidebar button span:first-child {
  width: 19px;
  height: 19px;
  color: #8ea2ae;
}

.admin-sidebar button.is-active,
.admin-sidebar button:hover {
  color: #fff;
  background: #1d668f;
}

.admin-course-list {
  margin: 20px 0 12px;
  padding-top: 16px;
  border-top: 1px solid #e0e8ec;
}

.admin-course-list button {
  grid-template-columns: 13px 1fr;
  font-size: .8rem;
}

.admin-course-list i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.admin-sidebar .new-course {
  display: block;
  margin-top: 10px;
  border: 1px dashed #9eb6c3;
  text-align: center;
}

.course-template-picker {
  display: grid;
  gap: 6px;
}

.course-template-picker span {
  color: #718794;
  font-size: .66rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.course-template-picker select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d2dfe5;
  border-radius: 8px;
  color: #38566a;
  background: #f8fafb;
  font: inherit;
  font-size: .78rem;
}

.admin-sidebar > small {
  display: block;
  margin: 22px 10px;
  color: #899ba6;
  line-height: 1.5;
}

.admin-main {
  min-width: 0;
  padding: 30px;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: center;
  justify-content: space-between;
  width: min(1280px, 100%);
  margin: 0 auto 25px;
}

.admin-toolbar > div:first-child {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.admin-toolbar span:first-child {
  color: #698291;
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.admin-toolbar h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
}

.admin-toolbar > div:last-child {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.save-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #8295a0;
  background: #f2f4f6;
  font-size: .75rem;
  font-weight: 800;
  line-height: 1.3;
}

.database-status {
  align-items: center;
  max-width: 100%;
  background: #f2f4f8;
  border: 1px solid #d9deea;
  border-radius: 999px;
  color: #5e6678;
  display: inline-flex;
  font-size: .7rem;
  font-weight: 850;
  gap: .4rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  padding: .45rem .7rem;
  white-space: normal;
}

.database-status::before {
  background: currentColor;
  border-radius: 999px;
  content: "";
  height: .48rem;
  width: .48rem;
}

.database-status.is-connected {
  background: #e8f8f0;
  border-color: #b6e7cf;
  color: #14764b;
}

.database-status.is-offline {
  background: #fff5df;
  border-color: #f0d499;
  color: #94650d;
}

.save-status.is-dirty {
  color: #9a6412;
  background: #fff5df;
}

.save-status.is-saved {
  color: #14714b;
  background: #e8f8f0;
}

.save-status.is-error {
  color: #9d2038;
  background: #ffe9ed;
}

.save-all {
  padding: 12px 17px;
  border: 0;
  color: #fff;
  background: #1d6f9c;
  font-weight: 900;
  cursor: pointer;
}

.admin-editor {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px);
  background: #fff;
  box-shadow: 0 14px 45px rgba(22, 53, 73, .08);
}

.editor-section-heading {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  margin: 15px 0 24px;
  padding-top: 28px;
  border-top: 1px solid #e0e8ec;
}

.editor-section-heading:first-child {
  padding-top: 0;
  border-top: 0;
}

.editor-section-heading > span {
  color: #247aa8;
}

.editor-section-heading > .editor-section-mark {
  width: 4px;
  height: 42px;
  border-radius: 999px;
  background: linear-gradient(180deg, #4fd4e8, #2777ad);
}

.editor-section-heading h2 {
  margin: 0 0 5px;
  color: #17364e;
}

.editor-section-heading p {
  margin: 0;
  color: #6d8391;
  line-height: 1.55;
}

.editor-grid {
  display: grid;
  gap: 16px;
}

.editor-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.editor-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-field,
.admin-upload {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.admin-field > span,
.admin-upload > span {
  color: #35566c;
  font-size: .75rem;
  font-weight: 900;
}

.admin-field input,
.admin-field textarea,
.admin-field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c5d4dc;
  border-radius: 0;
  color: #17364e;
  background: #fbfcfd;
}

.admin-field input:focus,
.admin-field textarea:focus,
.admin-field select:focus {
  border-color: #2178a7;
  outline: 3px solid rgba(33, 120, 167, .1);
}

.admin-field textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.5;
}

.admin-field small {
  color: #879aa5;
}

.admin-upload {
  align-content: end;
}

.admin-upload input {
  position: absolute;
  opacity: 0;
}

.admin-upload i {
  display: grid;
  min-height: 43px;
  padding: 10px;
  border: 1px dashed #83a3b3;
  place-items: center;
  color: #256d94;
  background: #f2f8fa;
  font-size: .8rem;
  font-style: normal;
  font-weight: 900;
  cursor: pointer;
}

.repeater {
  display: grid;
  gap: 13px;
}

.repeater-card {
  padding: 20px;
  border: 1px solid #d7e3e8;
  background: #f8fbfc;
}

.repeater-title {
  display: flex;
  gap: 15px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.repeater-title button,
.course-editor-actions button {
  border: 0;
  color: #9b2940;
  background: transparent;
  font-size: .72rem;
  font-weight: 900;
  cursor: pointer;
}

.add-row {
  width: 100%;
  margin: 13px 0 30px;
  padding: 12px;
  border: 1px dashed #96afbb;
  color: #216f98;
  background: #f4f9fb;
  font-weight: 900;
  cursor: pointer;
}

.publish-toggle {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 20px 0 12px;
  padding: 16px;
  color: #174d6b;
  background: #eaf6fa;
  font-weight: 900;
}

.tool-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.tool-checkboxes label {
  cursor: pointer;
}

.tool-checkboxes input {
  position: absolute;
  opacity: 0;
}

.tool-checkboxes span {
  display: block;
  padding: 9px 11px;
  border: 1px solid #c6d6de;
  color: #5b7382;
  background: #fff;
  font-size: .75rem;
  font-weight: 800;
}

.tool-checkboxes input:checked + span {
  border-color: #2178a7;
  color: #fff;
  background: #2178a7;
}

.course-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.course-editor-actions a,
.course-editor-actions button {
  padding: 9px 12px;
  border: 1px solid #cbd9e0;
  color: #266e96;
  background: #fff;
  font-weight: 900;
  text-decoration: none;
}

.admin-toast {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  right: auto;
  bottom: auto;
  left: 50%;
  z-index: 2400;
  width: min(420px, calc(100vw - 32px));
  padding: 15px 18px;
  border-radius: 10px;
  color: #fff;
  background: #166b49;
  box-shadow: 0 18px 50px rgba(14, 42, 58, .25);
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-align: center;
  transform: translateX(-50%);
}

.admin-toast.is-error {
  background: #a1263d;
}

@media (max-width: 1180px) {
  .admin-topbar {
    grid-template-columns: minmax(180px, 1fr) auto;
  }

  .admin-topbar > div {
    display: none;
  }

  .admin-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .admin-toolbar > div:last-child {
    width: 100%;
    justify-content: flex-start;
  }

  .database-status {
    flex: 1 1 320px;
  }
}

@media (max-width: 980px) {
  .admin-topbar {
    grid-template-columns: 1fr auto;
  }

  .admin-topbar > div {
    display: none;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid #d2dfe5;
  }

  .admin-sidebar > nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .admin-course-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .editor-grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .admin-topbar {
    padding: 10px 14px;
  }

  .admin-topbar nav a:not(:last-child) {
    display: none;
  }

  .admin-main {
    padding: 18px;
  }

  .admin-sidebar {
    padding: 20px 14px;
  }

  .admin-sidebar > nav,
  .admin-course-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-toolbar,
  .admin-toolbar > div:last-child {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-toolbar > div:last-child,
  .database-status,
  .save-status,
  .save-all {
    width: 100%;
  }

  .database-status {
    flex: none;
    border-radius: 12px;
  }

  .save-status {
    justify-content: center;
    text-align: center;
  }

  body.admin-app .admin-visual-toolbar,
  body.admin-app .admin-visual-toolbar > div {
    width: 100%;
  }

  body.admin-app .admin-visual-toolbar button,
  body.admin-app .admin-visual-toolbar a {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .editor-grid.two,
  .editor-grid.four {
    grid-template-columns: 1fr;
  }

  .admin-editor {
    padding: 22px;
  }

  .editor-section-heading {
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 10px;
  }

  .repeater-title,
  .course-editor-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 420px) {
  .admin-main {
    padding: 12px;
  }

  .admin-sidebar > nav,
  .admin-course-list {
    grid-template-columns: 1fr;
  }

  .admin-editor {
    padding: 16px;
  }

  body.admin-app .admin-page-navigation,
  body.admin-app .admin-visual-toolbar,
  body.admin-app .admin-visual-inspector {
    padding: 12px;
  }
}

/* Apartados del editor: cada bloque conserva sus controles y su guardado. */
.structured-navigation { margin: 0 0 24px; border: 1px solid #cddce5; border-radius: 12px; background: #fff; padding: 20px; }
.structured-navigation-top { display:flex; justify-content:space-between; align-items:flex-start; gap:24px; }
.structured-navigation-top strong { color:#143d55; font-size:1rem; }
.structured-navigation-top p { max-width:600px; color:#597180; font-size:.84rem; line-height:1.6; }
.structured-search { display:grid; gap:7px; min-width:250px; font-size:.8rem; color:#324f60; font-weight:700; }
.structured-search input { width:100%; padding:11px 13px; border:1px solid #aebfca; border-radius:7px; font:inherit; font-weight:400; }
.structured-tabs { display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; border-top:1px solid #e2ebef; padding-top:16px; }
.structured-tabs button { display:flex; align-items:center; gap:8px; padding:11px 15px; border:1px solid #c9d9e3; border-radius:8px; background:#f5f9fb; color:#315b70; font:inherit; font-size:.82rem; cursor:pointer; }
.structured-tabs button[aria-selected="true"] { color:white; background:#164c68; border-color:#164c68; font-weight:750; }
.structured-tabs button:focus-visible,.structured-search-results button:focus-visible { outline:3px solid #bc8e35; outline-offset:3px; }
.structured-tab-count { padding:2px 6px; border-radius:20px; background:#ffffff29; font-size:.7rem; }
.structured-section[hidden],.structured-search-results[hidden] { display:none!important; }
.structured-block { padding:0!important; overflow:hidden; border-radius:10px; }
.structured-block > summary { display:flex; align-items:center; gap:15px; padding:17px 20px; cursor:pointer; list-style:none; background:#f7fafb; }
.structured-block > summary::-webkit-details-marker { display:none; }
.structured-block-name { flex:1; min-width:0; overflow-wrap:anywhere; }
.structured-block-name strong { display:block; color:#173f56; font-size:.92rem; line-height:1.4; }
.structured-block-name small { display:block; margin-bottom:5px; color:#617b8c; font-size:.7rem; }
.structured-block-count { color:#647c8a; font-size:.72rem; white-space:nowrap; }
.structured-block-toggle::after { content:'＋'; font-size:1.1rem; color:#24607c; }
.structured-block[open] > summary .structured-block-toggle::after { content:'−'; }
.structured-block[open] > summary { border-bottom:1px solid #d8e4ea; }
.structured-block-body { padding:20px; }
.structured-block-tools { display:flex; justify-content:space-between; align-items:center; gap:15px; margin:0 0 16px; font-size:.8rem; color:#566f7d; }
.structured-block-tools > div { display:flex; gap:8px; }
.structured-block-tools button { border:1px solid #cbdbe2; border-radius:6px; padding:8px 10px; background:white; color:#325970; cursor:pointer; }
.structured-search-results { display:grid; gap:6px; padding:12px 0; }
.structured-search-results p { color:#557282; font-size:.8rem; }
.structured-search-results button { text-align:left; display:grid; gap:5px; padding:12px; background:#f4f9fb; border:1px solid #cfdee6; border-radius:7px; color:#193d53; cursor:pointer; }
.structured-search-results button span { color:#607d8e; font-size:.75rem; }
.admin-field[data-field-focus="true"] { outline:2px solid #bd8c2e; outline-offset:5px; border-radius:5px; }
.structured-fieldset { margin:0 0 20px; padding:20px; border:1px solid #d1dfe6; border-radius:9px; min-width:0; }
.structured-fieldset legend { color:#234f66; font-weight:750; font-size:.85rem; padding:0 7px; }
.structured-fieldset > p { color:#607988; font-size:.82rem; line-height:1.6; }
.structured-resource-card { display:flex; gap:22px; padding:25px; background:#f4f9fc; border:1px solid #c9dde7; border-radius:12px; }
.structured-resource-icon { display:grid; place-items:center; align-self:flex-start; border-radius:10px; background:#dcecf4; color:#235a76; font-size:.85rem; font-weight:850; padding:22px 15px; }
.structured-resource-card h3 { margin:0 0 10px; color:#193f57; }
.structured-resource-card p { color:#557181; line-height:1.7; font-size:.87rem; }
.structured-resource-card a { display:inline-block; background:#175878; color:white; padding:12px 16px; border-radius:7px; font-weight:750; text-decoration:none; }
.structured-resource-card small { display:block; margin-top:12px; color:#697c88; }
@media(max-width:700px) { .structured-navigation-top,.structured-block-tools { flex-direction:column; align-items:stretch; } .structured-search { min-width:0; } .structured-navigation { padding:15px; } .structured-tabs { flex-wrap:nowrap; overflow-x:auto; padding-bottom:8px; } .structured-tabs button { white-space:nowrap; flex-shrink:0; } .structured-block-body { padding:14px; } .structured-block > summary { padding:14px; gap:8px; } .structured-resource-card { padding:18px; gap:12px; } .structured-block-count { display:none; } }