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

:root {
  --bg:      #080a10;
  --bg2:     #0e1018;
  --gold:    #c8972a;
  --gold-lt: #e8bc5a;
  --cream:   #f0e8d8;
  --muted:   #6a6a7a;
  --border:  rgba(200, 151, 42, 0.18);
  --glow:    rgba(200, 151, 42, 0.12);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--cream);
  font-family: 'Cormorant Garamond', serif;
  overflow-x: hidden;
}

/* Canvas background */
#canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  z-index: 1;
}

/* Layout */
.wrapper {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  animation: fadeDown 0.8s ease both;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.logo span {
  font-style: italic;
  font-weight: 400;
  color: var(--cream);
}

.date-badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

/* Header right */
.header-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* Login button */
.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--cream);
  color: #1a1a2e;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: none;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}

.login-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.google-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* User profile */
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  object-fit: cover;
}

.user-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--cream);
  opacity: 0.8;
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-form { margin: 0; }

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.logout-btn:hover {
  color: var(--cream);
  border-color: rgba(200, 151, 42, 0.4);
}

/* Language Selector */
.lang-bar {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 2rem 0 0;
  animation: fadeDown 0.8s 0.1s ease both;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.lang-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glow);
  opacity: 0;
  transition: opacity 0.25s;
}

.lang-btn:hover { color: var(--gold-lt); border-color: rgba(200, 151, 42, 0.4); }
.lang-btn:hover::before { opacity: 1; }

.lang-btn.active {
  color: var(--bg);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 400;
}

/* Main word card */
main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 0 3rem;
}

.word-section {
  animation: fadeUp 0.9s 0.2s ease both;
}

.word-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.word-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.word-display {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 0.6rem;
  position: relative;
  display: inline-block;
}

.word-text {
  display: inline-block;
  transition: opacity 0.4s, transform 0.4s;
}

.word-text.fade-out {
  opacity: 0;
  transform: translateY(-12px);
}

.word-text.fade-in {
  animation: wordReveal 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes wordReveal {
  from { opacity: 0; transform: translateY(20px) skewY(1.5deg); }
  to   { opacity: 1; transform: translateY(0)    skewY(0); }
}

.word-pos {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 1.8rem;
  opacity: 0.9;
}

/* Divider */
.divider {
  width: 3rem;
  height: 1px;
  background: var(--gold);
  margin: 1.8rem 0;
  opacity: 0.6;
}

/* Pronunciation */
.pronunciation {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pronunciation .bracket {
  color: var(--gold);
  opacity: 0.6;
}

/* Definition */
.definition {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--cream);
  max-width: 620px;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

/* Example */
.example-block {
  border-left: 2px solid var(--gold);
  padding: 1rem 0 1rem 1.5rem;
  margin-bottom: 2.5rem;
}

.example-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.example-text {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--cream);
  line-height: 1.65;
  opacity: 0.8;
}

/* Translation */
.translation {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(200, 151, 42, 0.08);
  border: 1px solid var(--border);
  padding: 0.55rem 1.2rem;
  font-size: 0.95rem;
  color: var(--cream);
  opacity: 0.85;
}

.translation .arrow {
  color: var(--gold);
  font-size: 0.8rem;
}

/* Progress */
.progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  animation: fadeUp 0.9s 0.35s ease both;
}

.progress-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s;
}

.dot.filled { background: var(--gold); }

.next-word-info {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  text-align: right;
}

/* Footer */
footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fadeDown 0.8s 0.05s ease both;
}

footer p {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.streak {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
}

.streak-count {
  font-size: 0.9rem;
  font-weight: 400;
}

/* Animations */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Content transitions */
.content-area {
  transition: opacity 0.3s;
}

.content-area.switching {
  opacity: 0;
}

/* Nav link */
.nav-link {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active { color: var(--gold); }

/* Clickable logo */
a.logo { text-decoration: none; }

/* ── History page ────────────────────────────────────────────────────────── */

.history-main {
  padding: 3rem 0 4rem;
}

.history-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  animation: fadeUp 0.9s 0.1s ease both;
}

.history-count {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--muted);
  margin-top: 0.4rem;
}

.history-count-num {
  color: var(--gold);
  font-style: normal;
}

/* History list */
.history-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: fadeUp 0.9s 0.2s ease both;
}

.history-entry {
  border-bottom: 1px solid var(--border);
}

.history-entry:first-child {
  border-top: 1px solid var(--border);
}

/* Entry summary row */
.entry-summary {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: transparent;
  border: none;
  padding: 1.1rem 0;
  cursor: pointer;
  text-align: left;
  color: var(--cream);
  transition: background 0.2s;
}

.history-entry.open .entry-summary,
.entry-summary:hover {
  background: rgba(200, 151, 42, 0.04);
  padding-left: 0.6rem;
  padding-right: 0.6rem;
  margin: 0 -0.6rem;
  width: calc(100% + 1.2rem);
}

.entry-word {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  flex: 1;
  color: var(--cream);
}
.entry-word.rtl { direction: rtl; }

.entry-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

.entry-lang-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--gold);
  padding: 0.2rem 0.5rem;
}

.entry-date {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}

.entry-chevron {
  font-size: 1.2rem;
  color: var(--gold);
  opacity: 0.5;
  transition: transform 0.25s, opacity 0.25s;
  flex-shrink: 0;
}

.history-entry.open .entry-chevron {
  transform: rotate(90deg);
  opacity: 1;
}

/* Entry detail panel */
.entry-detail {
  padding: 0.6rem 0 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  animation: fadeUp 0.3s ease both;
}

.entry-pos-pron {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.entry-pos-pron em {
  color: var(--gold);
  font-style: italic;
  font-family: 'Playfair Display', serif;
  font-size: 0.85rem;
}

.entry-pron-sep { margin: 0 0.3rem; }

.entry-pron { color: var(--muted); }

.entry-def {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--cream);
  opacity: 0.9;
  max-width: 600px;
}
.entry-def.rtl { direction: rtl; }

.entry-example {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-style: italic;
  color: var(--cream);
  opacity: 0.65;
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
  max-width: 600px;
}
.entry-example.rtl { direction: rtl; border-left: none; border-right: 2px solid var(--gold); padding-left: 0; padding-right: 1rem; }

.entry-translation {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.entry-translation .arrow { color: var(--gold); margin-right: 0.3rem; }

/* Empty state */
.history-empty {
  padding: 4rem 0;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--muted);
}

/* Scroll sentinel / loader */
.scroll-sentinel {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2.5rem 0;
}

.loading-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 600px) {
  .wrapper { padding: 0 1.2rem; }
  .word-display { font-size: clamp(2.8rem, 15vw, 5rem); }
  header { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .header-right { flex-wrap: wrap; gap: 0.6rem; }
  .user-name { max-width: 80px; }
  .entry-meta { gap: 0.5rem; }
  .entry-date { display: none; }
}

/* ── Ad sidebars ─────────────────────────────────────────────────────────── */
.content-with-ads {
  display: grid;
  grid-template-columns: 160px 1fr 160px;
  gap: 1rem;
  align-items: start;
}

.ad-sidebar {
  position: sticky;
  top: 2rem;
  min-height: 600px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

@media (max-width: 1100px) {
  .content-with-ads {
    grid-template-columns: 1fr;
  }
  .ad-sidebar {
    display: none;
  }
}

/* ── Speak button ────────────────────────────────────────────────────────── */
.word-display {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.speak-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 0.3rem;
  display: flex;
  align-items: center;
  transition: color 0.2s;
  flex-shrink: 0;
}

.speak-btn svg {
  width: 1.6rem;
  height: 1.6rem;
}

.speak-btn:hover {
  color: var(--gold);
}

.speak-btn.speaking {
  color: var(--gold);
}

.speak-btn.speaking .speak-wave {
  animation: wave-pulse 0.8s ease-in-out infinite alternate;
}

.speak-btn.speaking .speak-wave--2 {
  animation-delay: 0.15s;
}

@keyframes wave-pulse {
  from { opacity: 0.3; }
  to   { opacity: 1; }
}