:root {
  --font-heading: "Space Grotesk", var(--font-body);
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --accent: #6d28d9;
  --accent-dark: #5b21b6;
  --accent-light: #f3e8ff;
  --blue: #1d6fd8;
  --blue-dark: #14508f;
  --blue-light: #e6f1fb;
  --amber: #b45309;
  --amber-light: #fdf1de;
  --text: #1c2430;
  --text-muted: #5f6b7a;
  --border: #d9d8e2;
  --border-strong: #c2c1cf;
  --bg: #fafafc;
  --shadow: 0 10px 30px rgba(28, 12, 60, 0.16);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  margin: 0;
  line-height: 1.6;
}

h1, h2, header .brand {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
}

header .brand {
  font-size: 1.2rem;
  color: var(--accent);
  text-decoration: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 1.25rem;
  font-size: 0.95rem;
}

nav a:hover, nav a.active {
  color: var(--accent);
}

nav {
  display: flex;
  align-items: center;
}

#auth-area {
  margin-left: 1.5rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.link-btn {
  font: inherit;
  font-size: 0.9rem;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.link-btn:hover {
  text-decoration: underline;
}

.user-email {
  color: var(--text-muted);
}

dialog#login-modal {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  width: 320px;
  box-shadow: var(--shadow);
}

dialog#login-modal::backdrop {
  background: rgba(28, 12, 60, 0.35);
}

dialog#login-modal h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

dialog#login-modal input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.google-btn {
  width: 100%;
  padding: 0.55rem 0.7rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  cursor: pointer;
}

.google-btn:hover {
  border-color: var(--accent);
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
}

.modal-actions button {
  flex: 1;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
  cursor: pointer;
  background: #fff;
}

.modal-actions button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.error {
  color: #b3403a;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.close-btn {
  display: block;
  margin: 0.5rem auto 0;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.lead {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.stat-strip {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

#feed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  align-items: start;
}

#feed .state {
  grid-column: 1 / -1;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.card h2 a {
  color: var(--text);
  text-decoration: none;
}

.card h2 a:hover {
  color: var(--accent);
}

.badges {
  margin-bottom: 0.6rem;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 999px;
  border: 1px solid;
  background: #fff;
  padding: 0.15rem 0.6rem;
  margin-right: 0.4rem;
}

.badge-study {
  color: var(--accent-dark);
  border-color: var(--accent);
}

.badge-news {
  color: var(--blue-dark);
  border-color: var(--blue);
}

.badge-lang {
  color: var(--text-muted);
  border-color: var(--border-strong);
}

.badge-read {
  color: #2e7d4f;
  border-color: #2e7d4f;
}

.card.is-read {
  opacity: 0.7;
}

.read-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.2rem 0;
}

.read-toggle:hover {
  color: var(--accent);
}

.excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 0.6rem;
}

.meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.meta a {
  color: var(--accent);
  text-decoration: none;
}

.meta a:hover {
  text-decoration: underline;
}

.filters-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

#date-filter {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  cursor: pointer;
}

.tabs {
  display: flex;
  gap: 0.5rem;
}

.tab {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  cursor: pointer;
}

.tab:hover {
  border-color: var(--accent);
}

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

#profile-form {
  max-width: 480px;
}

#profile-form label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 1.1rem 0 0.4rem;
}

#profile-form input[type="text"],
#profile-form input[type="url"],
#profile-form select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
}

.avatar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar-row input {
  flex: 1;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
}

.avatar-preview {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: #f1f1f4;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

#profile-form textarea {
  width: 100%;
  min-height: 60px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
  resize: vertical;
}

.comment-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: #f1f1f4;
  border: 1px solid var(--border);
  vertical-align: middle;
  margin-right: 0.4rem;
}

.radio-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0.6rem;
}

.radio-row label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.consent-row {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.consent-row label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0;
}

.consent-row input {
  margin-top: 0.2rem;
}

#profile-form button[type="submit"] {
  margin-top: 1.25rem;
  padding: 0.6rem 1.4rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
}

.success {
  color: #2e7d4f;
  font-size: 0.85rem;
}

.danger-zone {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.danger-zone h2 {
  font-size: 1rem;
  color: #b3403a;
}

.danger-btn {
  background: #fff;
  color: #b3403a;
  border: 1px solid #b3403a;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font: inherit;
  cursor: pointer;
}

.danger-btn:hover {
  background: #fdf1f0;
}

.world-map {
  width: 100%;
  height: auto;
  margin-bottom: 2rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.map-land {
  fill: #eeeef2;
  stroke: #fff;
  stroke-width: 0.5;
}

.map-pin {
  fill: var(--accent);
  stroke: #fff;
  stroke-width: 1.5;
}

.map-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

.map-row {
  display: grid;
  grid-template-columns: 140px 1fr 2.5rem;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.9rem;
}

.map-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.map-bar-track {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  height: 10px;
  overflow: hidden;
}

.map-bar {
  display: block;
  height: 100%;
  background: var(--text);
  border-radius: 4px;
}

.map-count {
  text-align: right;
  color: var(--text-muted);
}

.card-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}

.like-btn, .comment-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.2rem 0;
}

.like-btn:hover, .comment-toggle:hover {
  color: var(--accent);
}

.like-btn.liked {
  color: #c0392b;
}

.translate-toggle {
  background: none;
  border: none;
  color: var(--amber);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0;
}

.translate-toggle:hover {
  text-decoration: underline;
}

.translation-panel {
  margin-top: 0.8rem;
  padding: 0.7rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
}

.translation-text {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  white-space: pre-wrap;
}

.translation-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.comments-panel {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

.comment-list {
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
}

.comment-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.comment-item:last-child {
  border-bottom: none;
}

.comment-author {
  font-weight: 600;
  font-size: 0.85rem;
}

.comment-body {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.report-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.2rem 0;
  margin-top: 0.2rem;
}

.report-btn:hover {
  color: #b3403a;
}

.comment-form textarea {
  width: 100%;
  min-height: 60px;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font: inherit;
  resize: vertical;
  margin-bottom: 0.5rem;
}

.comment-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.4rem 1rem;
  font: inherit;
  cursor: pointer;
}

.state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
}