:root {
  --bg-start: #ffe0ec;
  --bg-end: #d9f0ff;
  --card-bg: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --like: #22c55e;
  --dislike: #ef4444;
  --accent: #ff6fa1;
  --shadow: 0 20px 40px rgba(31, 36, 48, 0.18);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-start) 0%, var(--bg-end) 100%);
  overscroll-behavior: none;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: max(env(safe-area-inset-top), 16px) 16px max(env(safe-area-inset-bottom), 16px);
}

.app-header {
  text-align: center;
  margin-bottom: 12px;
}

.app-header h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 0.5px;
  color: var(--accent);
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.auth-bar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.7);
  padding: 4px 6px 4px 12px;
  border-radius: 999px;
  font-size: 13px;
}

.auth-status {
  color: var(--muted);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-status.signed-in {
  color: var(--text);
  font-weight: 600;
}

.auth-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.auth-btn:hover {
  filter: brightness(1.05);
}

.auth-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  max-width: 380px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow);
  background: #fff;
}

.auth-dialog::backdrop {
  background: rgba(31, 36, 48, 0.45);
}

.auth-dialog form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-dialog h2 {
  margin: 0;
  font-size: 22px;
  color: var(--accent);
}

.auth-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.auth-dialog label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.auth-dialog input {
  padding: 10px 12px;
  border: 1px solid rgba(31, 36, 48, 0.15);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
}

.auth-dialog input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

.auth-error {
  margin: 0;
  color: var(--dislike);
  font-size: 13px;
}

.auth-dialog-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.auth-dialog-buttons {
  display: flex;
  gap: 8px;
}

.auth-submit {
  width: auto;
  padding: 10px 18px;
  font-size: 14px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
}

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

.app-main {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.filters {
  display: flex;
  gap: 8px;
  margin: 10px 0 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  border: 1px solid rgba(31, 36, 48, 0.1);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease, color 0.2s ease;
}

.filter-btn:hover {
  background: #fff;
}

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

.stack {
  position: relative;
  width: 100%;
  height: 460px;
  margin: 8px 0 24px;
}

.card {
  position: absolute;
  inset: 0;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  user-select: none;
  touch-action: none;
  will-change: transform;
  transition: transform 0.35s ease, opacity 0.35s ease;
  cursor: grab;
}

.card.dragging {
  transition: none;
  cursor: grabbing;
}

.card .gender-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  background: rgba(31, 36, 48, 0.06);
  padding: 4px 10px;
  border-radius: 999px;
}

.card .gender-badge.jente {
  color: #c2185b;
  background: rgba(255, 111, 161, 0.15);
}

.card .gender-badge.gutt {
  color: #1d4ed8;
  background: rgba(59, 130, 246, 0.15);
}

.card .gender-badge.unisex {
  color: #6d28d9;
  background: rgba(139, 92, 246, 0.15);
}

.card-name {
  font-size: 56px;
  font-weight: 700;
  text-align: center;
  margin: 0;
  line-height: 1.1;
  word-break: break-word;
}

.card-meaning {
  text-align: center;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.4;
  margin: 0;
}

.card-origin {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.decision-label {
  position: absolute;
  top: 24px;
  padding: 6px 14px;
  border: 3px solid;
  border-radius: 8px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s ease;
}

.decision-label.like {
  right: 20px;
  color: var(--like);
  transform: rotate(14deg);
}

.decision-label.dislike {
  left: 20px;
  color: var(--dislike);
  transform: rotate(-14deg);
}

.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  padding: 24px;
  font-size: 16px;
}

.source {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
  min-height: 16px;
}

.actions {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  margin-top: auto;
}

.action-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: #fff;
  box-shadow: 0 8px 16px rgba(31, 36, 48, 0.15);
  font-size: 26px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.action-btn:active {
  transform: scale(0.92);
}

.action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.action-btn.like {
  color: var(--like);
}

.action-btn.dislike {
  color: var(--dislike);
}

.action-btn.undo {
  width: 52px;
  height: 52px;
  font-size: 22px;
  color: var(--muted);
}

.history-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(31, 36, 48, 0.06);
  transition: transform 0.1s ease, background 0.15s ease;
}

.history-link:hover {
  background: #fff;
  transform: translateY(-1px);
}

.history-link-counts {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  color: var(--muted);
  font-size: 13px;
}

.history-link-counts .dot.like {
  color: var(--like);
}

.history-link-counts .dot.dislike {
  color: var(--dislike);
}

.history-link-counts .sep {
  color: rgba(31, 36, 48, 0.2);
}

.history-main .summary {
  margin-top: 0;
}

.summary {
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 24px;
  box-shadow: var(--shadow);
}

.summary-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(31, 36, 48, 0.08);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--muted);
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

#historyList {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  max-height: 240px;
  overflow: auto;
}

#historyList li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(31, 36, 48, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

#historyList li:last-child {
  border-bottom: none;
}

#historyList li .meta {
  color: var(--muted);
  font-size: 13px;
}

#historyList li .decision {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#historyList li .decision.like {
  color: var(--like);
}

#historyList li .decision.dislike {
  color: var(--dislike);
}

.history-note {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
}

.summary-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.secondary-btn {
  flex: 1;
  min-width: 90px;
  padding: 8px 10px;
  border: 1px solid rgba(31, 36, 48, 0.12);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.secondary-btn:hover {
  background: #f8fafc;
}

.secondary-btn.danger {
  color: var(--dislike);
  border-color: rgba(239, 68, 68, 0.3);
}

.secondary-btn.danger:hover {
  background: rgba(239, 68, 68, 0.06);
}

.reset-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.reset-btn:hover {
  filter: brightness(1.05);
}

@media (max-width: 380px) {
  .card-name {
    font-size: 44px;
  }

  .stack {
    height: 420px;
  }
}