*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #000;
  --fg: #fff;
  --border: 3px solid #fff;
  --fs-base: 1.75rem;
  --fs-large: 2.25rem;
  --fs-xl: 3rem;
  --btn-height: 76px;
  --nav-btn-height: 104px;
  --gap: 1.5rem;
  --content-max: 1500px;
  --line-height: 1.65;
}

html {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: var(--fs-base);
  line-height: var(--line-height);
}

body {
  background: var(--bg);
  color: var(--fg);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 {
  font-size: var(--fs-xl);
  line-height: 1.2;
  margin-bottom: 2rem;
}

h2 {
  font-size: var(--fs-large);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ── Buttons ───────────────────────────────── */

button,
.btn,
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--btn-height);
  padding: 0.75rem 1.75rem;
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  border-radius: 0;
  font-size: var(--fs-base);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  line-height: 1.2;
  -webkit-appearance: none;
  appearance: none;
  white-space: nowrap;
}

button:hover,
.btn:hover,
input[type="submit"]:hover {
  background: #1c1c1c;
}

button:active,
.btn:active,
input[type="submit"]:active {
  background: #333;
}

/* ── Navigation buttons (Startseite) ───────── */

.nav-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  margin-top: 1rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--nav-btn-height);
  padding: 1rem 2rem;
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  border-radius: 0;
  font-size: var(--fs-large);
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.02em;
}

.nav-btn:hover {
  background: #1c1c1c;
}

/* ── Focus states (accessibility) ───────────── */

:focus-visible {
  outline: 4px solid #fff;
  outline-offset: 4px;
}

/* ── Forms ───────────────────────────────────── */

.form-group {
  margin-top: 1.75rem;
}

label {
  display: block;
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
  display: block;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  border-radius: 0;
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  font-family: inherit;
  line-height: var(--line-height);
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  min-height: 180px;
  resize: vertical;
}

.note-textarea {
  min-height: 360px;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23ffffff' d='M8 11L2 5h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
  cursor: pointer;
}

input[type="checkbox"] {
  width: 2rem;
  height: 2rem;
  accent-color: var(--fg);
  vertical-align: middle;
  margin-right: 0.75rem;
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: center;
  font-size: var(--fs-base);
  margin-top: 1.75rem;
  cursor: pointer;
  gap: 0.5rem;
}

/* ── Button row ──────────────────────────────── */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* ── Messages ────────────────────────────────── */

.msg-error {
  border: var(--border);
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
  font-size: var(--fs-base);
}

.msg-info {
  border: 2px solid #888;
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
  font-size: var(--fs-base);
}

/* ── Back / utility links ────────────────────── */

.back-link {
  display: inline-block;
  font-size: var(--fs-base);
  margin-bottom: 2rem;
}

/* ── Note cards ─────────────────────────────── */

.note-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.note-card {
  border: var(--border);
  padding: 1.5rem;
}

.note-title {
  font-size: var(--fs-large);
  line-height: 1.3;
  margin-bottom: 0.75rem;
  word-break: break-word;
}

.note-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 1.25rem;
  opacity: 0.75;
  margin-bottom: 1.25rem;
}

.note-category {
  border: 2px solid #fff;
  padding: 0.15rem 0.6rem;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.note-empty {
  font-size: var(--fs-large);
  opacity: 0.6;
  margin-top: 2rem;
}

/* ── Search ──────────────────────────────────── */

.search-form {
  margin-top: 1rem;
}

.search-input-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.search-label {
  font-size: var(--fs-base);
  font-weight: 600;
}

.search-result-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.search-result-card {
  border: var(--border);
  padding: 1.5rem;
}

.search-result-type {
  margin-bottom: 0.6rem;
}

.result-badge {
  border: 2px solid #fff;
  padding: 0.15rem 0.6rem;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.search-result-subtitle {
  font-size: 1.35rem;
  opacity: 0.75;
  margin-top: 0.6rem;
  word-break: break-word;
  line-height: 1.5;
}

.search-result-img {
  margin-bottom: 1rem;
}

/* ── Photo analysis ──────────────────────────── */

.photo-count {
  font-size: var(--fs-base);
  margin-top: 2rem;
  margin-bottom: 0;
  opacity: 0.8;
}

.photo-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.photo-row {
  display: grid;
  grid-template-columns: 260px 1fr auto auto auto;
  grid-template-areas:
    "img question speak edit delete"
    "answer answer answer answer answer";
  column-gap: 2rem;
  row-gap: 1.25rem;
  align-items: start;
  border: var(--border);
  padding: 1.25rem 1.5rem;
}

.photo-row-img {
  grid-area: img;
  width: 260px;
  height: 260px;
  flex-shrink: 0;
}

.photo-row-thumb {
  width: 260px;
  height: 260px;
  object-fit: cover;
  border: var(--border);
  display: block;
}

.photo-row-question {
  grid-area: question;
  display: block;
  min-width: 0;
  font-size: var(--fs-base);
  font-weight: bold;
  word-break: break-word;
  color: inherit;
  text-decoration: underline;
}

.photo-row .btn-icon--speak,
.photo-row .btn-icon-placeholder {
  grid-area: speak;
}

.photo-row .btn-icon--edit {
  grid-area: edit;
}

.photo-row .btn-icon--delete {
  grid-area: delete;
}

.btn-icon-placeholder {
  width: 76px;
  height: 76px;
  flex-shrink: 0;
}

.photo-row-answer {
  grid-area: answer;
  display: block;
  font-size: var(--fs-base);
  word-break: break-word;
  opacity: 0.9;
}

.btn-icon {
  width: 76px;
  height: 76px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.photo-card {
  border: var(--border);
  padding: 1.5rem;
}

.photo-question {
  font-size: var(--fs-large);
  font-weight: bold;
  line-height: 1.3;
  margin-bottom: 1rem;
  word-break: break-word;
}

.photo-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
}

.photo-thumb {
  max-width: 320px;
  max-height: 320px;
  width: auto;
  height: auto;
  border: var(--border);
  object-fit: cover;
  display: block;
}

.photo-answer {
  margin: 1rem 0;
  line-height: var(--line-height);
  word-break: break-word;
  white-space: pre-wrap;
}

.photo-status {
  margin: 1rem 0;
  font-size: var(--fs-base);
  opacity: 0.8;
}

.photo-status--error {
  opacity: 1;
  border-left: 4px solid #fff;
  padding-left: 1rem;
}

.photo-textarea {
  min-height: 160px;
  resize: vertical;
}

.photo-detail-top {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 3rem;
  margin: 2rem 0;
}

.photo-detail-images {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-shrink: 0;
}

.photo-detail-img {
  width: 480px;
  height: auto;
  border: var(--border);
  display: block;
}

.photo-detail-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.5rem;
}

.photo-detail-actions .btn {
  width: 100%;
}

.photo-detail-actions form {
  display: contents;
}

.photo-detail-answer {
  font-size: var(--fs-base);
  line-height: 1.6;
  margin: 2rem 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.photo-edit-question {
  font-size: var(--fs-large);
  font-weight: bold;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  word-break: break-word;
}

.photo-edit-textarea {
  min-height: 400px;
  resize: vertical;
}

.quick-select {
  border: var(--border);
  padding: 1.25rem 1.5rem 1.5rem;
  margin-top: 2rem;
}

.quick-select legend {
  padding: 0 0.5rem;
  font-size: var(--fs-base);
  font-weight: 700;
}

/* file input accessibility */
input[type="file"] {
  display: block;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  font-family: inherit;
  cursor: pointer;
}

input[type="file"]::file-selector-button {
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  border-radius: 0;
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-base);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  margin-right: 1rem;
}

input[type="file"]::file-selector-button:hover {
  background: #1c1c1c;
}

/* disabled button state */
button:disabled,
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Commit ID ───────────────────────────────── */

.commit-id {
  margin-top: 2rem;
  font-size: 1rem;
  opacity: 0.4;
  font-family: monospace;
}

/* ── Lightbox ────────────────────────────────── */

#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  cursor: pointer;
  outline: none;
}

#lightbox.is-open {
  display: flex;
}

#lightbox img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border: var(--border);
  display: block;
}

.photo-row-thumb,
.photo-thumb {
  cursor: pointer;
}

/* ── Reduced motion ──────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}