:root {
  --bg: #1e1f22;
  --bg-elevated: #2b2d31;
  --bg-input: #1e1f22;
  --border: #3f4147;
  --text: #f2f3f5;
  --text-muted: #949ba4;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --success: #57f287;
  --danger: #ed4245;
  --danger-hover: #c93b3e;
  --radius: 6px;
  --topbar-h: 57px;
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-color: var(--border) transparent;
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

h1, h2 {
  margin-top: 0;
}

h2 {
  font-size: 16px;
}

.login-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.login-card {
  text-align: center;
  max-width: 360px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.login-card h1 {
  margin: 0;
}

.login-logo-icon {
  font-size: 40px;
  display: block;
}

.login-logo-img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  object-fit: cover;
  display: inline-block;
}

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text);
  transition: background-color 0.12s, opacity 0.12s, transform 0.05s;
  font-family: inherit;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--accent);
}

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

.btn-secondary {
  background: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: #4a4d54;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.04);
  border-color: #55585f;
}

.spinner {
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- App shell: sidebar + content ---------- */

.app {
  display: flex;
  min-height: 100vh;
}

.brand {
  font-weight: 700;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  padding: 18px 16px;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.sidebar-brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-brand-img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-brand-icon {
  font-size: 20px;
}

.sidebar-nav {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  font-family: inherit;
  transition: background-color 0.12s, color 0.12s;
}

.nav-item:hover:not(.active) {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent);
  color: #fff;
}

.nav-icon {
  font-size: 16px;
  width: 18px;
  flex-shrink: 0;
  text-align: center;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
}

.sidebar-user span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  object-fit: cover;
}

.sidebar-footer .btn {
  width: 100%;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 19;
}

.app-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.mobile-topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(30, 31, 34, 0.9);
  backdrop-filter: blur(6px);
}

main {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.preview-pane {
  position: sticky;
  top: 24px;
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
  }

  .preview-pane {
    position: static;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 20;
    width: 260px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-topbar {
    display: flex;
  }
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field > span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.field-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.field-row .field {
  flex: 1;
  min-width: 0;
}

input[type="text"],
textarea,
select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.12s, box-shadow 0.12s;
}

input[type="text"]:hover,
textarea:hover,
select:hover {
  border-color: #55585f;
}

input[type="text"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.25);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

textarea {
  resize: vertical;
}

.color-row {
  display: flex;
  gap: 8px;
}

.color-row input[type="color"] {
  width: 40px;
  height: 36px;
  padding: 2px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

.segmented {
  display: flex;
  gap: 4px;
}

.image-input-row {
  display: flex;
  gap: 8px;
}

.image-input-row input[type="text"] {
  flex: 1;
  min-width: 0;
}

.image-input-row.dragover input[type="text"] {
  border-color: var(--accent);
  background: rgba(88, 101, 242, 0.08);
}

.icon-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  transition: border-color 0.12s, color 0.12s, background-color 0.12s;
}

.icon-btn:hover {
  border-color: #55585f;
  background: rgba(255, 255, 255, 0.04);
}

.icon-btn.has-file {
  color: var(--danger);
  border-color: var(--danger);
}

.icon-btn.has-file:hover {
  background: rgba(237, 66, 69, 0.1);
}

.seg-btn {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  transition: background-color 0.12s, color 0.12s, border-color 0.12s;
}

.seg-btn:hover:not(.active) {
  border-color: #55585f;
  color: var(--text);
}

.seg-btn.active {
  background: var(--accent);
  color: var(--text);
  border-color: var(--accent);
}

.embed-field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.embed-field-row input[type="text"] {
  flex: 1;
  min-width: 120px;
}

.embed-field-row .remove-field-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  border-radius: 4px;
  transition: background-color 0.12s;
}

.embed-field-row .remove-field-btn:hover {
  background: rgba(237, 66, 69, 0.1);
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.status {
  font-size: 13px;
  color: var(--text-muted);
}

.status.success {
  color: var(--success);
}

.status.error {
  color: var(--danger);
}

.empty-state {
  color: var(--text-muted);
  font-size: 14px;
  padding: 16px 0;
  text-align: center;
}

.preview-pane h2 {
  margin-bottom: 12px;
}

.discord-message {
  display: flex;
  gap: 12px;
  background: #313338;
  padding: 16px;
  border-radius: 8px;
}

.discord-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.discord-author {
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.app-tag {
  background: var(--accent);
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
}

.embed-preview {
  background: #2b2d31;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  padding: 12px 16px;
  max-width: 480px;
  min-width: 0;
}

.embed-preview-body {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.embed-preview-content {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
}

.embed-preview-thumbnail {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.embed-preview-title {
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.embed-preview-desc {
  white-space: pre-wrap;
  font-size: 14px;
  color: #dbdee1;
}

.embed-preview-fields {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.embed-preview-field-name {
  font-weight: 600;
  font-size: 13px;
}

.embed-preview-field-value {
  font-size: 13px;
  color: #dbdee1;
  overflow-wrap: break-word;
}

.embed-preview-image {
  max-width: 100%;
  border-radius: 4px;
  margin-top: 8px;
  display: block;
}

.embed-preview-footer {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.table-scroll {
  overflow-x: auto;
}

.quiz-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.quiz-table th {
  text-align: left;
  padding: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.quiz-table td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.quiz-table tbody tr {
  transition: background-color 0.12s;
}

.quiz-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.quiz-table .delete-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  transition: background-color 0.12s;
}

.quiz-table .delete-btn:hover {
  background: rgba(237, 66, 69, 0.1);
}

.table-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.table-actions .btn {
  padding: 4px 10px;
  font-size: 13px;
}

@media (max-width: 640px) {
  .mobile-topbar {
    padding: 10px 16px;
  }

  main {
    padding: 16px;
  }

  .card {
    padding: 16px;
  }

  .field-row {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .field-row .field {
    margin-bottom: 0;
  }
}