:root {
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  padding: 24px 0;
}

.navbar-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  column-gap: 24px;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0 20px;
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 32px;
  padding: 0;
  margin: 0;
  white-space: nowrap;
}

.nav-right {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  justify-content: flex-end;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.logo {
  position: static;
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.logo a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 3px;
  font-size: 20px;
  text-transform: uppercase;
}

.navbar a,
.error-page a,
.contact__socials a {
  color: var(--text);
  text-decoration: none;
  position: relative;
  transition: color 0.2s ease;
}

.navbar a {
  padding: 6px;
}

.navbar a::after,
.error-page a::after,
.contact__socials a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 1px;
  background: var(--text);
  transition: width 0.28s ease;
}

.navbar a:hover::after,
.navbar a.active::after,
.error-page a:hover::after,
.error-page a:focus-visible::after,
.contact__socials a:hover::after,
.contact__socials a:focus-visible::after {
  width: 100%;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
}

.language-switcher span {
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
}

@media (max-width: 700px) {
  .navbar {
    padding: 10px 0;
  }

  .navbar-inner {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .navbar .nav-right {
    display: none;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    width: 100%;
    padding-top: 8px;
  }

  .navbar.is-open .nav-right {
    display: flex;
  }

  .navbar ul {
    gap: 0;
    white-space: normal;
  }

  .navbar li {
    width: 100%;
  }

  .navbar a {
    display: block;
    padding: 11px 0;
  }

  .language-switcher {
    gap: 6px;
    padding: 8px 0;
  }

  .language-switcher a {
    display: inline-block;
    padding: 3px 0;
  }

  .logo {
    position: static;
    transform: none;
    order: 0;
    flex: 1 1 0;
  }

  .logo a {
    display: inline-block;
    max-width: 100%;
    overflow-wrap: anywhere;
    font-size: 17px;
    letter-spacing: 2px;
  }
}

/* Error pages */
.error-page {
  min-height: calc(100vh - 140px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  row-gap: 8px;
  letter-spacing: 0.5px;
}

.error-page h1 {
  margin: 0 0 6px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.error-page p {
  margin: 0 0 8px;
}

.error-page a {
  padding: 6px;
}

/* Home page */
.home-page .navbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  padding-top: 24px;
  padding-bottom: 24px;
}

.home-page .navbar a,
.home-page .logo a,
.home-page .nav-toggle,
.home-page .language-switcher span {
  color: #ffffff;
}

.home-page .nav-toggle {
  border-color: rgba(255,255,255,0.45);
}

.home-page .navbar a::after {
  background: rgba(255,255,255,0.9);
}

.home-page main.container {
  max-width: none;
  padding: 0;
}

.home-hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  background-image: url('/static/img/mountain_in_the_morning.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35));
}

.home-hero__content {
  position: relative;
  z-index: 1;
  color: #ffffff;
  text-align: center;
  padding: 0 20px;
  max-width: 960px;
  margin: 0 auto;
}

.home-hero .intro {
  margin: 0;
  font-size: 48px;
  line-height: 1.6;
  font-weight: 400;
}

.home-hero__caption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  font-size: 12px;
  line-height: 1.4;
  color: #ffffff;
  background: rgba(0,0,0,0.35);
  padding: 6px 8px;
  border-radius: 6px;
  backdrop-filter: blur(1px);
}

@media (max-width: 700px) {
  .home-hero .intro { font-size: 20px; }
}

/* About page */
.about-page { padding-top: 48px; }
.about-page__header { text-align: center; margin-bottom: 24px; }
.about-page__title {
  margin: 0 0 16px 0;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 700;
}

.about-page__content {
  max-width: 70ch;
  margin: 16px auto 0;
  line-height: 1.7;
}

@media (min-width: 900px) {
  .about-page__title { font-size: 32px; }
}

/* Contact page */
.contact { padding-top: 24px; }
.contact__header { text-align: center; margin-bottom: 24px; }
.contact__title { margin: 0 0 8px 0; font-size: 28px; line-height: 1.2; font-weight: 700; }
.contact__subtitle { margin: 0 auto; color: var(--muted); line-height: 1.6; max-width: 60ch; }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
  min-width: 0;
}

.form-row { display: grid; gap: 8px; margin-bottom: 14px; }
.form-row label { font-weight: 600; letter-spacing: 0.2px; }
.form-row input,
.form-row textarea {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #9ca3af;
  box-shadow: 0 0 0 3px rgba(31,41,55,0.1);
}

.form-actions { margin-top: 4px; }
.btn {
  appearance: none;
  border: none;
  background: var(--text);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(0.95); }
.btn:active { transform: translateY(1px); }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 12px; }
.alert--success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert--error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.contact__socials { text-align: center; }
.contact__socials ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.contact__socials a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
}

/* Projects and logbook */
.content-index {
  max-width: 900px;
  margin: 0 auto;
  padding-top: 40px;
}

.content-detail {
  max-width: 780px;
  margin: 0 auto;
  padding-top: 36px;
}

.content-index__header,
.content-detail__header {
  margin-bottom: 28px;
}

.content-index h1,
.content-detail h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.15;
  font-weight: 700;
}

.entry-list {
  display: grid;
  gap: 20px;
}

.entry-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(31,41,55,0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.entry-card--with-image {
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
}

.entry-card:hover,
.entry-card:focus-visible {
  border-color: #d1d5db;
  box-shadow: 0 12px 30px rgba(31,41,55,0.08);
  transform: translateY(-2px);
}

.entry-card:focus-visible {
  outline: 3px solid rgba(31,41,55,0.12);
  outline-offset: 3px;
}

.entry-card__image {
  width: 100%;
  height: 100%;
  min-height: 160px;
  max-height: 220px;
  object-fit: cover;
  border-radius: 8px;
  background: #f3f4f6;
}

.entry-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.entry-card__meta,
.content-detail__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.entry-card__date,
.entry-card__status,
.content-detail__status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
}

.entry-card__status,
.content-detail__status {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: #f9fafb;
}

.entry-card__title {
  margin: 10px 0 8px;
  font-size: 24px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
  transition: color 0.2s ease;
}

.entry-card:hover .entry-card__title,
.entry-card:focus-visible .entry-card__title {
  color: #111827;
}

.entry-card__summary,
.content-detail__summary,
.empty-state {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.entry-card__summary {
  max-width: 64ch;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.tag-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: #ffffff;
  font-size: 12px;
  line-height: 1;
  padding: 6px 10px;
}

.content-back,
.content-detail__meta a,
.markdown-content a {
  color: var(--text);
}

.content-back {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.content-detail__meta {
  margin-top: 14px;
}

.content-detail__summary {
  margin-top: 18px;
  max-width: 66ch;
  font-size: 18px;
}

.content-detail__cover {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: 8px;
  margin: 30px 0;
  border: 1px solid var(--border);
  background: #f3f4f6;
}

.markdown-content {
  max-width: 70ch;
  margin: 0 auto;
  line-height: 1.75;
  font-size: 17px;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
  line-height: 1.25;
  margin: 36px 0 14px;
  color: var(--text);
}

.markdown-content h1 {
  font-size: 30px;
}

.markdown-content h2 {
  font-size: 24px;
}

.markdown-content h3 {
  font-size: 20px;
}

.markdown-content ul {
  margin: 0 0 20px;
  padding-left: 22px;
}

.markdown-content li {
  margin-bottom: 8px;
}

.markdown-content p {
  margin: 0 0 20px;
}

.markdown-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 28px auto;
  border: 1px solid var(--border);
  background: #f3f4f6;
}

.markdown-content a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.markdown-content pre {
  overflow-x: auto;
  margin: 0 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f9fafb;
  line-height: 1.6;
}

.markdown-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

.empty-state {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f9fafb;
}

@media (max-width: 700px) {
  .content-index,
  .content-detail {
    padding-top: 20px;
  }

  .content-index h1,
  .content-detail h1 {
    font-size: 30px;
  }

  .entry-card {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 18px;
  }

  .entry-card--with-image {
    grid-template-columns: 1fr;
  }

  .entry-card__image {
    aspect-ratio: 16 / 9;
    height: auto;
    min-height: 0;
    max-height: none;
  }

  .entry-card__title {
    font-size: 22px;
  }

  .content-detail__summary,
  .markdown-content {
    font-size: 16px;
  }
}

/* Admin */
.admin-page {
  max-width: 1040px;
  margin: 0 auto;
  padding-top: 32px;
}

.admin-page--narrow {
  max-width: 520px;
}

.admin-header {
  margin-bottom: 24px;
}

.admin-header--split {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.admin-header h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
}

.admin-header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
}

.admin-actions--compact {
  margin: 0;
}

.admin-secondary-button,
.admin-danger-button,
.admin-link-button {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 13px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.admin-danger-button {
  border-color: #fecaca;
  color: #991b1b;
  background: #fef2f2;
}

.admin-link-button {
  min-height: 0;
  padding: 6px 8px;
  border: none;
  color: var(--muted);
  background: transparent;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.admin-stat,
.admin-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(31,41,55,0.04);
}

.admin-stat {
  display: block;
  padding: 20px;
  color: var(--text);
  text-decoration: none;
}

.admin-stat span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.admin-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1;
}

.admin-panel {
  padding: 20px;
  margin-top: 20px;
}

.admin-panel__header {
  margin-bottom: 14px;
}

.admin-panel__header--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.admin-panel__header h2 {
  margin: 0;
  font-size: 20px;
}

.admin-latest,
.admin-media-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-latest li,
.admin-media-list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.admin-latest li:first-child,
.admin-media-list li:first-child {
  border-top: none;
}

.admin-latest span,
.admin-latest time,
.admin-media-list span,
.admin-muted,
.admin-help {
  color: var(--muted);
  font-size: 13px;
}

.admin-flashes {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.admin-flash {
  margin: 0;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.admin-flash--success {
  border-color: #a7f3d0;
  color: #065f46;
  background: #ecfdf5;
}

.admin-flash--error {
  border-color: #fecaca;
  color: #991b1b;
  background: #fef2f2;
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-search {
  display: flex;
  align-items: end;
  gap: 10px;
  min-width: 0;
}

.admin-search--stacked {
  display: grid;
  align-items: stretch;
  margin-bottom: 16px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.admin-field label,
.admin-panel label,
.admin-checkbox {
  font-weight: 600;
}

.admin-field input,
.admin-field select,
.admin-field textarea,
.admin-panel input,
.admin-search input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: #ffffff;
  font: inherit;
}

.admin-field textarea {
  min-height: 420px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.6;
}

.admin-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.admin-checkbox input {
  width: auto;
}

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 14px;
}

.admin-table th,
.admin-table td {
  padding: 12px;
  border-top: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  border-top: none;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.admin-table code,
.admin-panel code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

.admin-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-row-actions a,
.admin-media-list a {
  color: var(--text);
  text-underline-offset: 3px;
}

.admin-preview {
  margin-top: 28px;
}

.admin-editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
}

.admin-media-picker {
  position: sticky;
  top: 20px;
  margin-top: 0;
}

.admin-uploaded-media {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.admin-uploaded-media img,
.admin-media-thumb,
.admin-picker-item img {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f9fafb;
}

.admin-uploaded-media img {
  width: 100%;
  max-width: 160px;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  grid-row: span 2;
}

.admin-media-groups {
  display: grid;
  gap: 22px;
}

.admin-media-group h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.admin-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 14px;
}

.admin-media-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.admin-media-thumb {
  display: block;
  overflow: hidden;
  width: 100%;
  height: 160px;
}

.admin-media-thumb img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-media-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.admin-media-meta a,
.admin-picker-item input,
.admin-media-card input {
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-media-meta strong,
.admin-picker-item__body strong,
.admin-picker-item__body span {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.admin-media-meta a {
  color: var(--text);
  font-size: 13px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
  white-space: normal;
}

.admin-media-action {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.admin-media-action__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.admin-picker-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-picker-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.admin-picker-item:first-child {
  padding-top: 0;
  border-top: none;
}

.admin-picker-item img {
  display: block;
  max-width: 100%;
  width: 72px;
  height: 72px;
  object-fit: cover;
}

.admin-picker-item__body {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.admin-picker-item__body span {
  color: var(--muted);
  font-size: 12px;
}

.admin-empty {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 700px) {
  .admin-page {
    padding-top: 20px;
  }

  .admin-header--split,
  .admin-grid,
  .admin-editor-layout,
  .admin-stats {
    grid-template-columns: 1fr;
  }

  .admin-header--split,
  .admin-panel__header--split,
  .admin-search {
    display: grid;
  }

  .admin-media-picker {
    position: static;
  }

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

  .admin-uploaded-media img {
    max-width: 100%;
    grid-row: auto;
  }

  .admin-media-thumb {
    height: 130px;
  }

  .admin-picker-item {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .admin-picker-item img {
    width: 64px;
    height: 64px;
  }

  .admin-header h1 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .admin-media-action__row {
    grid-template-columns: 1fr;
  }
}