:root {
  --color-ink: #1d1b19;
  --color-paper: #f4efe6;
  --color-panel: #fffaf3;
  --color-line: #d8cfc2;
  --color-brand: #b57a4b;
  --color-brand-deep: #73472b;
  --color-accent: #314d5a;
  --shadow-soft: 0 18px 45px rgba(49, 77, 90, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  color: var(--color-ink);
  background:
    radial-gradient(circle at top left, rgba(181, 122, 75, 0.18), transparent 30%),
    linear-gradient(180deg, #f8f4ee 0%, var(--color-paper) 100%);
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.hero {
  padding: 3rem 0 1.5rem;
}

.hero-card,
.panel {
  background: rgba(255, 250, 243, 0.9);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.hero-card {
  padding: 2rem;
}

.eyebrow {
  display: inline-flex;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(181, 122, 75, 0.12);
  color: var(--color-brand-deep);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4.2rem);
  margin-top: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

p {
  line-height: 1.65;
}

.lead {
  max-width: 48rem;
  color: rgba(29, 27, 25, 0.82);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button,
.button-secondary,
.button-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button {
  background: var(--color-brand);
  color: #fffaf7;
}

.button-secondary {
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.6);
}

.button-secondary.is-disabled {
  opacity: 0.75;
}

.button-danger {
  border: 1px solid rgba(123, 52, 37, 0.2);
  background: #7b3425;
  color: #fff7f4;
}

.grid {
  display: grid;
  gap: 1rem;
  padding-bottom: 2.5rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.panel {
  padding: 1.5rem;
}

.meta-list,
.todo-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.code-chip {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  background: rgba(49, 77, 90, 0.1);
  border-radius: 999px;
  font-family: "Courier New", monospace;
  font-size: 0.88rem;
}

.hint {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--color-brand);
  background: rgba(181, 122, 75, 0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.login-card {
  max-width: 520px;
  margin: 5rem auto;
}

.login-title {
  margin-top: 0.85rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.login-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.filter-form,
.inline-form,
.flash-stack,
.upload-form {
  display: grid;
  gap: 1rem;
}

.upload-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.upload-panel-header h2 {
  margin: 0;
}

.upload-panel-header form {
  margin: 0;
}

.filter-panel,
.upload-panel,
.empty-state,
.event-group,
.event-block {
  margin-bottom: 1.5rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.admin-materials-grid {
  display: block;
  column-count: 3;
  column-gap: 1rem;
}

.admin-materials-grid > .material-card {
  break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: 1rem;
  width: 100%;
}

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

.event-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.material-card {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.material-heading,
.material-preview-block {
  display: grid;
  gap: 0.55rem;
}

.field-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(29, 27, 25, 0.62);
}

.admin-media-frame {
  min-height: 220px;
  border-radius: 18px;
  border: 1px solid rgba(49, 77, 90, 0.1);
}

.admin-meta-chips {
  align-items: flex-start;
  gap: 0.5rem;
}

.edit-panel {
  display: grid;
  gap: 1rem;
}

.edit-panel summary {
  list-style: none;
  cursor: pointer;
  width: 100%;
}

.edit-panel summary::-webkit-details-marker {
  display: none;
}

.edit-panel-body {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(49, 77, 90, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

.admin-primary-action {
  width: 100%;
  text-align: center;
}

.admin-card-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.admin-card-actions form {
  display: block;
}

.admin-inline-action {
  width: 100%;
  min-height: 52px;
}

.admin-danger-action {
  gap: 0.55rem;
}

.admin-danger-action svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.public-shell {
  padding-bottom: 3rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.public-hero {
  position: relative;
  overflow: hidden;
}

.public-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(49, 77, 90, 0.15), transparent 70%);
}

.event-block {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border-radius: 28px;
  background: rgba(255, 250, 243, 0.48);
}

.event-block-alt {
  background: rgba(244, 239, 230, 0.9);
}

.event-block-header,
.event-block-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.event-block-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.public-grid {
  column-count: 3;
  column-gap: 1rem;
}

.public-card {
  display: block;
  gap: 1rem;
  overflow: hidden;
  padding: 0;
  margin: 0 0 1rem;
  break-inside: avoid;
  page-break-inside: avoid;
}

.public-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 0.85rem 1.25rem 0.95rem;
  min-height: 120px;
}

.public-card-body p {
  margin: 0;
}

.public-event-link-button {
  align-self: flex-start;
  min-height: 42px;
  padding-inline: 1rem;
  margin-top: 0.1rem;
}

.public-meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.media-meta-chips {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  z-index: 3;
  justify-content: flex-end;
}

.public-meta-chip {
  white-space: nowrap;
  background: rgba(255, 250, 243, 0.88);
  backdrop-filter: blur(8px);
}

.public-filter-panel .actions {
  margin-top: 0;
}

.public-filter-panel {
  position: sticky;
  top: 0.85rem;
  z-index: 20;
  padding: 0.85rem 1rem;
  background: rgba(255, 250, 243, 0.92);
  backdrop-filter: blur(10px);
}

.public-filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.public-filter-utilities {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.public-install-button {
  min-height: 46px;
  padding-inline: 1rem;
}

.public-install-help {
  margin-top: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(181, 122, 75, 0.18);
  background: rgba(181, 122, 75, 0.08);
}

.public-install-help p {
  margin: 0;
  line-height: 1.5;
}

.public-filters-toggle {
  display: none;
}

.public-filter-form {
  display: grid;
  grid-template-columns: minmax(0, 190px) minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.75rem;
}

.public-filter-field {
  gap: 0;
}

.public-filter-field input {
  min-height: 46px;
}

.public-filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.public-filter-actions .button,
.public-filter-actions .button-secondary {
  min-height: 46px;
  padding-inline: 1rem;
}

.media-frame {
  position: relative;
  min-height: 240px;
  background:
    linear-gradient(135deg, rgba(49, 77, 90, 0.12), rgba(181, 122, 75, 0.12)),
    #f3ede3;
  overflow: hidden;
}

.media-frame img,
.media-frame video,
.media-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.media-frame iframe {
  min-height: 240px;
  background: #fff;
}

.media-download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 3;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(29, 27, 25, 0.82);
  color: #fffaf7;
  box-shadow: 0 12px 28px rgba(29, 27, 25, 0.24);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.media-download-button:hover,
.media-download-button:focus-visible {
  transform: translateY(-1px) scale(1.02);
  background: var(--color-brand-deep);
}

.media-download-button.is-busy {
  opacity: 0.82;
  pointer-events: none;
}

.media-download-button svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.video-play-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  width: 78px;
  height: 78px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 250, 243, 0.26);
  color: #fffaf7;
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 32px rgba(29, 27, 25, 0.24);
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.video-play-button:hover,
.video-play-button:focus-visible {
  transform: translate(-50%, -50%) scale(1.03);
  background: rgba(255, 250, 243, 0.34);
}

.video-play-button svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.media-frame.is-video-playing .video-play-button {
  opacity: 0;
  pointer-events: none;
}

.media-frame.is-video-playing .preview-guard {
  display: none;
}

.preview-guard {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.media-fallback {
  min-height: 240px;
  display: grid;
  place-items: center;
  gap: 0.55rem;
  text-transform: capitalize;
  color: var(--color-accent);
}

.file-tag {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(49, 77, 90, 0.12);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.dropzone {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding: 1.5rem;
  border: 2px dashed rgba(49, 77, 90, 0.2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.dropzone.is-dragover {
  border-color: var(--color-brand);
  background: rgba(181, 122, 75, 0.08);
  transform: translateY(-1px);
}

.dropzone-copy {
  display: grid;
  gap: 0.35rem;
}

.dropzone-copy strong {
  font-size: 1.05rem;
}

.dropzone-copy span,
.file-summary {
  color: rgba(29, 27, 25, 0.78);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.field input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--color-line);
  background: #fffdfa;
  font: inherit;
}

.field textarea {
  width: 100%;
  min-width: 0;
  min-height: 112px;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--color-line);
  background: #fffdfa;
  font: inherit;
  resize: vertical;
}

.field input[type="file"] {
  padding-block: 0.7rem;
  background: rgba(255, 255, 255, 0.78);
}

.field-help {
  color: rgba(29, 27, 25, 0.68);
  font-size: 0.9rem;
  line-height: 1.4;
}

.status {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(49, 77, 90, 0.1);
  color: var(--color-accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.flash {
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid transparent;
  margin-bottom: 1rem;
}

.flash-success {
  background: rgba(68, 125, 92, 0.12);
  color: #24543a;
  border-color: rgba(68, 125, 92, 0.22);
}

.flash-error {
  background: rgba(123, 52, 37, 0.1);
  color: #7b3425;
  border-color: rgba(123, 52, 37, 0.18);
}

.visibility-banner {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  font-weight: 700;
}

.visibility-banner.is-visible {
  background: rgba(68, 125, 92, 0.12);
  color: #24543a;
  border: 1px solid rgba(68, 125, 92, 0.22);
}

.visibility-banner.is-hidden {
  background: rgba(49, 77, 90, 0.08);
  color: var(--color-accent);
  border: 1px solid rgba(49, 77, 90, 0.15);
}

@media (max-width: 720px) {
  .hero {
    padding-top: 1.5rem;
  }

  .hero-card,
  .panel {
    padding: 1.25rem;
  }

  .upload-panel-header {
    flex-direction: column;
    align-items: stretch;
  }

  .upload-panel-header form {
    justify-self: end;
  }

  .public-filter-panel {
    position: static;
    top: auto;
    padding: 0.9rem;
  }

  .public-filters-toggle {
    display: inline-flex;
    margin-bottom: 0;
  }

  .public-filter-toolbar {
    align-items: center;
  }

  .public-filter-form {
    display: none;
    grid-template-columns: 1fr;
    margin-top: 0.85rem;
  }

  .public-filter-panel.is-open .public-filter-form {
    display: grid;
  }

  .public-filter-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

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

  .admin-materials-grid {
    column-count: 1;
  }

  .public-grid {
    column-count: 1;
  }

  .event-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .event-block-header,
  .event-block-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 721px) and (max-width: 980px) {
  .admin-grid,
  .admin-grid-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-materials-grid {
    column-count: 2;
  }

  .public-grid {
    column-count: 2;
  }
}