:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-border: #e0e0dc;
  --color-text: #1f2421;
  --color-text-muted: #6b7370;
  --color-primary: #1971c2;
  --color-primary-dark: #145591;
  --color-danger: #c92a2a;
  --color-success: #2f9e44;
  --radius: 8px;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 24px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14171a;
    --color-surface: #1c2024;
    --color-border: #2b3136;
    --color-text: #e9ecef;
    --color-text-muted: #9aa4ab;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

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

a {
  color: var(--color-primary);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-weight: 500;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn-ghost {
  background: transparent;
}

.btn-danger {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: transparent;
}

.btn-small {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: 0.85rem;
}

/* App shell */

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.app-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.app-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.app-nav {
  display: flex;
  gap: var(--spacing-3);
}

.app-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius);
}

.app-nav a.active {
  color: var(--color-primary);
  background: rgba(25, 113, 194, 0.1);
}

.app-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

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

.app-main {
  flex: 1;
  overflow: auto;
  min-height: 0;
}

.page-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-muted);
}

/* Auth pages */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding: var(--spacing-4);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  width: 100%;
  max-width: 360px;
  background: var(--color-surface);
  padding: var(--spacing-5);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.auth-form h1 {
  margin: 0 0 var(--spacing-2);
  font-size: 1.4rem;
}

.auth-hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  font-size: 0.9rem;
}

.auth-form input {
  padding: var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.form-error {
  color: var(--color-danger);
  font-size: 0.9rem;
  margin: 0;
}

/* Map dashboard */

.map-dashboard {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.map-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: space-between;
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.filter-group select {
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.chip {
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 0.85rem;
}

.chip-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.map-container {
  position: relative;
  flex: 1;
  min-height: 0;
}

.city-map {
  height: 100%;
  width: 100%;
}

.fab {
  position: absolute;
  right: var(--spacing-4);
  bottom: var(--spacing-4);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.marker-pin {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.marker-heart {
  position: absolute;
  top: -8px;
  right: -6px;
  color: #e64980;
  font-size: 0.8rem;
}

.map-popup {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

/* City form */

.city-detail-page {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.city-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-4);
}

.city-form label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  font-size: 0.9rem;
}

.city-form input,
.city-form select,
.city-form textarea {
  padding: var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

@media (min-width: 640px) {
  .form-row {
    flex-direction: row;
  }

  .form-row > label {
    flex: 1;
  }
}

.like-toggle {
  flex-direction: row !important;
  align-items: center;
  gap: var(--spacing-2) !important;
}

.coords-hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.form-actions .btn-danger {
  margin-left: auto;
}

.city-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-4);
}

.city-section h2 {
  margin-top: 0;
  font-size: 1rem;
}

/* City search */

.city-search {
  position: relative;
}

.city-search input {
  width: 100%;
  padding: var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.search-results {
  list-style: none;
  margin: var(--spacing-1) 0 0;
  padding: 0;
  position: absolute;
  z-index: 10;
  width: 100%;
  max-height: 240px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.search-results li button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  background: none;
  cursor: pointer;
}

.search-results li button:hover {
  background: var(--color-bg);
}

.search-loading,
.search-empty {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Link editor */

.link-editor {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.link-row {
  display: flex;
  gap: var(--spacing-2);
}

.link-row input {
  flex: 1;
  padding: var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.link-actions {
  display: flex;
  gap: var(--spacing-2);
}

/* Participant picker */

.participant-picker {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-3);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.participant-option {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: var(--spacing-2) !important;
}

.participant-inactive {
  color: var(--color-text-muted);
}

/* Photo uploader */

.photo-uploader {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.photo-preview img {
  max-width: 100%;
  border-radius: var(--radius);
  display: block;
  margin-bottom: var(--spacing-2);
}

/* Admin users */

.admin-users-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.users-table th,
.users-table td {
  text-align: left;
  padding: var(--spacing-2) var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.row-inactive {
  opacity: 0.5;
}

.create-user-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-4);
  max-width: 360px;
}

.create-user-form label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  font-size: 0.9rem;
}

.create-user-form input {
  padding: var(--spacing-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}