/* ── Reset & Variables ──────────────────────────────────────────────────────── */

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

:root {
  --bg: #0a0a0b;
  --surface: #131315;
  --surface2: #1a1a1e;
  --surface3: #222228;
  --border: #2a2a32;
  --border2: #38383f;
  --text: #f2ede2;
  --text2: #bfbab0;
  --text3: #6a6660;
  --amber: #d4931a;
  --amber2: #f0a820;
  --amber-dim: rgba(212, 147, 26, 0.13);
  --green: #4caf7d;
  --green-dim: rgba(76, 175, 125, 0.13);
  --red: #e06c75;
  --red-dim: rgba(224, 108, 117, 0.13);
  --blue: #61afef;
  --blue-dim: rgba(97, 175, 239, 0.13);
  --purple: #9b59b6;
  --purple-dim: rgba(155, 89, 182, 0.13);
}

body.light {
  --bg: #e8e4dc;
  --surface: #f4f1eb;
  --surface2: #ede9e1;
  --surface3: #e0dbd2;
  --border: #cec9bf;
  --border2: #bdb8ad;
  --text: #141210;
  --text2: #3d3a35;
  --text3: #7a7670;
  --amber: #b8780e;
  --amber2: #c9860f;
  --amber-dim: rgba(184, 120, 14, 0.11);
  --green: #2e7d52;
  --green-dim: rgba(46, 125, 82, 0.11);
  --red: #c0392b;
  --red-dim: rgba(192, 57, 43, 0.11);
  --blue: #1565a8;
  --blue-dim: rgba(21, 101, 168, 0.11);
  --purple: #7d3c98;
  --purple-dim: rgba(125, 60, 152, 0.11);
}

html {
  font-size: 15px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Lato", sans-serif;
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

input,
textarea,
select {
  font-size: 16px !important;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 2px;
}

/* ── Layout shell ───────────────────────────────────────────────────────────── */

.shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.view {
  display: none;
  flex-direction: column;
  min-height: 100%;
}
.view.active {
  display: flex;
}

/* ── Sidebar ────────────────────────────────────────────────────────────────── */

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-mark {
  font-family: "Lora", serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.sidebar-logo .logo-sub {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-section {
  padding: 20px 12px 8px;
}

.nav-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 12px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text2);
  font-weight: 400;
  transition: all 0.15s;
  margin-bottom: 2px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.nav-item:hover {
  background: var(--surface2);
  color: var(--text);
}
.nav-item.active {
  background: var(--amber-dim);
  color: var(--amber2);
}
.nav-item .nav-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  background: var(--amber);
  color: var(--bg);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 10px;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.streak-display {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
}
.streak-display span {
  color: var(--amber2);
  font-size: 16px;
  font-weight: 500;
}

/* ── Page headers & content ─────────────────────────────────────────────────── */

.page-header {
  padding: 28px 40px 12px;
  flex-shrink: 0;
}
.page-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.page-header-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
  padding-bottom: 4px;
}
.page-title {
  font-family: "Lora", serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.page-sub {
  font-size: 13px;
  color: var(--text2);
  font-weight: 300;
}
.page-content {
  padding: 28px 40px 40px;
  flex: 1;
}

.section-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Generic card ───────────────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin-bottom: 16px;
}
.card:hover {
  border-color: var(--border2);
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */

.header-icon-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 7px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.header-icon-btn:hover {
  background: var(--surface3);
  color: var(--text);
  border-color: var(--border2);
}
.header-icon-btn.active {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber2);
}

.icon-action-btn {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 7px;
  padding: 7px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-action-btn:hover {
  background: var(--surface3);
  color: var(--text);
  border-color: var(--border2);
}

.save-btn {
  background: var(--amber);
  color: var(--bg);
  border: none;
  padding: 10px 24px;
  border-radius: 7px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 14px;
}
.save-btn:hover {
  background: var(--amber2);
}

.open-btn {
  font-size: 10px;
  color: var(--blue);
  background: var(--blue-dim);
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.open-btn:hover {
  background: rgba(97, 175, 239, 0.2);
}

.task-action {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  background: none;
  padding: 7px 14px;
  border-radius: 6px;
  transition: all 0.15s;
}

.btn-amber {
  color: var(--amber2);
  background: var(--amber-dim);
}
.btn-amber:hover {
  background: rgba(212, 147, 26, 0.2);
}
.btn-green {
  color: var(--green);
  background: var(--green-dim);
}
.btn-green:hover {
  background: rgba(76, 175, 125, 0.2);
}
.btn-blue {
  color: var(--blue);
  background: var(--blue-dim);
}
.btn-blue:hover {
  background: rgba(97, 175, 239, 0.2);
}
.btn-purple {
  color: var(--purple);
  background: var(--purple-dim);
}
.btn-purple:hover {
  background: rgba(155, 89, 182, 0.2);
}

.filter-btn {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover {
  border-color: var(--border2);
  color: var(--text);
}
.filter-btn.active {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber2);
}

.filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

/* ── Today view ─────────────────────────────────────────────────────────────── */

.today-date {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.today-day-title {
  font-family: "Lora", serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.week-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--amber-dim);
  border: 1px solid rgba(212, 147, 26, 0.25);
  color: var(--amber2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.today-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}
.task-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
}
.task-card.focus-read::before {
  background: var(--blue);
}
.task-card.focus-write::before {
  background: var(--amber);
}
.task-card.focus-review::before {
  background: var(--green);
}
.task-card.focus-vocab::before {
  background: var(--red);
}

.task-type {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}

.task-title {
  font-family: "Lora", serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.task-desc {
  font-size: 12.5px;
  color: var(--text2);
  line-height: 1.6;
}

.complete-day-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green-dim);
  border: 1px solid rgba(76, 175, 125, 0.3);
  color: var(--green);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  padding: 10px 18px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 8px;
}
.complete-day-btn:hover {
  background: rgba(76, 175, 125, 0.2);
}
.complete-day-btn.done {
  background: var(--amber-dim);
  border-color: rgba(212, 147, 26, 0.3);
  color: var(--amber2);
}
.complete-day-btn.locked {
  opacity: 0.45;
  cursor: not-allowed;
}
.complete-day-btn.locked:hover {
  background: transparent;
}

/* ── Week strip ─────────────────────────────────────────────────────────────── */

.week-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

.week-day {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.week-day:hover {
  border-color: var(--border2);
}
.week-day.today {
  border-color: var(--amber);
  background: var(--amber-dim);
}
.week-day.done {
  border-color: var(--green);
  background: var(--green-dim);
}

.week-day .wd-name {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text3);
  margin-bottom: 5px;
}
.week-day.today .wd-name {
  color: var(--amber);
}
.week-day.done .wd-name {
  color: var(--green);
}

.week-day .wd-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text2);
}
.week-day.today .wd-num {
  color: var(--amber2);
  font-weight: 600;
}
.week-day.done .wd-num {
  color: var(--green);
}

.week-day .wd-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  margin: 5px auto 0;
}
.week-day.done .wd-dot {
  background: var(--green);
}
.week-day.today .wd-dot {
  background: var(--amber);
}

/* ── Articles ───────────────────────────────────────────────────────────────── */

.article-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 10px;
  transition: all 0.2s;
  cursor: pointer;
}
.article-item:hover {
  border-color: var(--border2);
  transform: translateX(2px);
}
.article-item.read {
  border-left: 3px solid var(--green);
  opacity: 0.75;
}
.article-item.read:hover {
  opacity: 1;
}

.article-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.article-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.article-title {
  font-family: "Lora", serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 5px;
  line-height: 1.4;
}
.article-desc {
  font-size: 12.5px;
  color: var(--text2);
  line-height: 1.5;
}
.article-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.level-tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.level-starter {
  background: rgba(76, 175, 125, 0.15);
  color: var(--green);
}
.level-building {
  background: rgba(212, 147, 26, 0.15);
  color: var(--amber2);
}
.level-stretch {
  background: rgba(224, 108, 117, 0.15);
  color: var(--red);
}

.topic-tag {
  font-size: 10px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.5px;
}

.check-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.15s;
  color: var(--text3);
}
.check-btn:hover {
  border-color: var(--green);
  color: var(--green);
}
.check-btn.checked {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}
.check-btn.half {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber2);
}

/* Word log panel */
.word-log-panel {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 12px;
  display: none;
}
.word-log-panel.open {
  display: block;
}

.word-log-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}

.word-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.word-chip {
  background: var(--surface3);
  border: 1px solid var(--border2);
  color: var(--text);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "IBM Plex Mono", monospace;
}
.word-chip .rm {
  cursor: pointer;
  color: var(--text3);
  font-size: 11px;
}
.word-chip .rm:hover {
  color: var(--red);
}

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

.word-input {
  flex: 1;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 16px;
  padding: 7px 12px;
  outline: none;
  transition: border-color 0.15s;
}
.word-input:focus {
  border-color: var(--amber);
}
.word-input::placeholder {
  color: var(--text3);
}

.add-word-btn {
  background: var(--amber-dim);
  border: 1px solid rgba(212, 147, 26, 0.3);
  color: var(--amber2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.add-word-btn:hover {
  background: rgba(212, 147, 26, 0.2);
}

/* ── Search bar ─────────────────────────────────────────────────────────────── */

.search-bar-wrap {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.25s ease, opacity 0.2s ease, margin 0.25s ease;
  margin-top: 0;
  margin-bottom: 0;
}
.search-bar-wrap.open {
  max-height: 60px;
  opacity: 1;
  margin-top: 14px;
  margin-bottom: 12px;
}

.search-input-wrap {
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 10px 34px 10px 36px;
  color: var(--text);
  font-size: 14px;
  font-family: "Lato", sans-serif;
  outline: none;
  transition: border-color 0.15s;
}
.search-input:focus {
  border-color: var(--amber);
}

.search-icon-inner {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 14px;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text3);
  font-size: 13px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color 0.15s;
}
.search-clear-btn:hover {
  color: var(--text);
}

/* ── Essays ─────────────────────────────────────────────────────────────────── */

.essay-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  margin-bottom: 10px;
  transition: all 0.2s;
}
.essay-card:hover {
  border-color: var(--border2);
}
.essay-card.submitted {
  border-left: 3px solid var(--amber);
}

.essay-week-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 4px;
}

.essay-card h3 {
  font-family: "Lora", serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
}
.essay-card .essay-type {
  font-size: 11px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
  margin-bottom: 8px;
}

.essay-prompt-text {
  font-size: 13px;
  color: var(--text2);
  font-style: italic;
  line-height: 1.6;
  border-left: 2px solid var(--amber);
  padding-left: 12px;
  margin-bottom: 14px;
}

.essay-status {
  display: flex;
  gap: 8px;
  align-items: center;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border2);
}
.status-dot.done {
  background: var(--green);
}
.status-dot.partial {
  background: var(--amber);
}

.status-label {
  font-size: 12px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
}

textarea.essay-textarea {
  width: 100%;
  min-height: 220px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: "Lato", sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  padding: 16px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}
textarea.essay-textarea:focus {
  border-color: var(--amber);
}
textarea.essay-textarea::placeholder {
  color: var(--text3);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.col-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}
.col-label.amber {
  color: var(--amber);
}
.col-label.green {
  color: var(--green);
}

/* ── Fiction ────────────────────────────────────────────────────────────────── */

.fiction-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.fiction-card:hover {
  border-color: var(--border2);
  background: var(--surface2);
}
.fiction-card.read {
  border-left: 3px solid var(--green);
}
.fiction-card.reading {
  border-left: 3px solid var(--amber);
}

.fiction-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.fiction-title {
  font-family: "Lora", serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.fiction-author {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 8px;
}
.fiction-desc {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 14px;
}
.fiction-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.fiction-hint {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
}

.fiction-type-tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid rgba(97, 175, 239, 0.2);
}
.fiction-type-tag.novel {
  background: rgba(155, 89, 182, 0.1);
  color: #9b59b6;
  border-color: rgba(155, 89, 182, 0.2);
}
.fiction-type-tag.script {
  background: rgba(231, 76, 60, 0.08);
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.15);
}

/* ── Vocabulary ─────────────────────────────────────────────────────────────── */

.vocab-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vocab-word {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--text);
  transition: all 0.15s;
}
.vocab-word:hover {
  border-color: var(--amber);
  color: var(--amber2);
}

.vocab-table {
  width: 100%;
  border-collapse: collapse;
}
.vocab-table th {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.vocab-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
.vocab-table tr:last-child td {
  border-bottom: none;
}
.vocab-table tr:hover td {
  background: var(--surface2);
}
.vocab-table td:first-child {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  color: var(--text);
}
.vocab-table td:nth-child(2) {
  color: var(--text2);
  font-size: 12px;
}
.vocab-table td:last-child {
  text-align: right;
  white-space: nowrap;
}

.word-state-tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.ws-new {
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid rgba(97, 175, 239, 0.25);
}
.ws-learning {
  background: var(--amber-dim);
  color: var(--amber2);
  border: 1px solid rgba(212, 147, 26, 0.25);
}
.ws-fuzzy {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(224, 108, 117, 0.25);
}
.ws-mastered {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(76, 175, 125, 0.25);
}

.vocab-start-card {
  text-align: center;
  padding: 32px 24px;
}

/* ── Progress ───────────────────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 36px;
  font-weight: 500;
  color: var(--amber2);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 12px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.progress-bar-wrap {
  margin-bottom: 24px;
}
.progress-bar-label {
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  margin-bottom: 6px;
}
.progress-bar-label span {
  color: var(--amber2);
}
.progress-track {
  height: 6px;
  background: var(--surface3);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--amber2));
  border-radius: 3px;
  transition: width 0.6s ease;
}

.week-progress-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.wp-cell {
  aspect-ratio: 1;
  border-radius: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--text3);
  transition: all 0.15s;
}
.wp-cell.done {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}
.wp-cell.current {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber2);
}
.wp-cell.missed {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
}

/* ── Modals ─────────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(3px);
}
.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 14px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.modal-close:hover {
  background: var(--surface3);
  color: var(--text);
}

.modal-week {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.modal-title {
  font-family: "Lora", serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.modal-type {
  font-size: 12px;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
  margin-bottom: 16px;
}

.modal-prompt {
  background: var(--surface2);
  border-left: 3px solid var(--amber);
  padding: 14px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  font-style: italic;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 24px;
}

.modal-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.modal-tab {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  padding: 10px 18px;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}
.modal-tab:hover {
  color: var(--text2);
}
.modal-tab.active {
  color: var(--amber2);
  border-bottom-color: var(--amber);
}

.modal-tab-content {
  display: none;
}
.modal-tab-content.active {
  display: block;
}

/* ── Study session ──────────────────────────────────────────────────────────── */

.study-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(8px);
}
.study-overlay.open {
  display: flex;
}

.study-modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 20px;
  width: 100%;
  max-width: 560px;
  padding: 36px 32px 28px;
  position: relative;
}

.study-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.study-close:hover {
  background: var(--surface3);
  color: var(--text);
}

.study-counter {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.study-progress-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 24px;
}
.study-progress-fill {
  height: 100%;
  background: var(--amber);
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* Flip card */
.study-card-scene {
  width: 100%;
  margin-bottom: 8px;
}

.study-card {
  width: 100%;
  border-radius: 14px;
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.45, 0.05, 0.55, 0.95),
    border-color 0.2s, box-shadow 0.2s;
  min-height: 200px;
}
.study-card:not(.flipped):hover {
  box-shadow: 0 0 0 1.5px var(--amber);
}
.study-card.flipped {
  transform: rotateY(180deg);
}

.study-card-front,
.study-card-back {
  border-radius: 14px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--surface2);
  border: 1px solid var(--border2);
}

/* Front stays absolutely positioned and vertically centred */
.study-card-front {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
}

/* Back drives the card height — no absolute, no overflow hidden */
.study-card-back {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 20px 22px;
  transform: rotateY(180deg);
  min-height: 200px;
}

.study-word {
  font-family: "Lora", serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}
.study-tap-hint {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.study-tap-hint::before,
.study-tap-hint::after {
  content: "";
  display: block;
  width: 20px;
  height: 1px;
  background: var(--border2);
}

/* Meaning blocks */
.meaning-block {
  width: 100%;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.meaning-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.meaning-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 4px;
}
.study-pos {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: inline-block;
}
.study-definition {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  font-weight: 300;
}
.study-example {
  font-size: 12px;
  color: var(--blue);
  font-style: italic;
  line-height: 1.6;
  border-left: 2px solid var(--blue);
  padding: 8px 12px;
  border-radius: 0 6px 6px 0;
  background: var(--blue-dim);
  margin-top: 8px;
}
.study-source {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--text3);
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
}
.study-source::before {
  content: "◎";
  font-size: 9px;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}
.study-loading-dots {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 3px;
  animation: pulse 1.2s ease-in-out infinite;
  text-align: center;
  width: 100%;
  padding: 20px 0;
}

/* Rate buttons */
.study-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.study-actions.visible {
  opacity: 1;
  pointer-events: auto;
}

.study-btn {
  padding: 11px 6px;
  border-radius: 10px;
  border: 1px solid var(--border2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  line-height: 1.5;
  letter-spacing: 0.5px;
}
.study-btn:hover {
  transform: translateY(-2px);
}
.study-btn:active {
  transform: translateY(0);
}

.s-blank {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
}
.s-blank:hover {
  background: rgba(224, 108, 117, 0.22);
}
.s-fuzzy {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber2);
}
.s-fuzzy:hover {
  background: rgba(212, 147, 26, 0.22);
}
.s-got {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}
.s-got:hover {
  background: rgba(76, 175, 125, 0.22);
}
.s-easy {
  background: var(--blue-dim);
  border-color: var(--blue);
  color: var(--blue);
}
.s-easy:hover {
  background: rgba(97, 175, 239, 0.22);
}

.rate-label {
  display: block;
  font-size: 9px;
  opacity: 0.7;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Session setup */
.session-setup {
  text-align: center;
  padding: 10px 0;
}
.session-setup h2 {
  font-family: "Lora", serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.session-setup p {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 28px;
  line-height: 1.6;
}

.size-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.size-opt {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 16px 12px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: "IBM Plex Mono", monospace;
}
.size-opt:hover,
.size-opt.active {
  border-color: var(--amber);
  background: var(--amber-dim);
}
.size-opt .s-num {
  font-size: 28px;
  font-weight: 600;
  color: var(--amber2);
  line-height: 1;
  margin-bottom: 4px;
}
.size-opt .s-label {
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.start-session-btn {
  background: var(--amber);
  color: var(--bg);
  border: none;
  padding: 13px 32px;
  border-radius: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  cursor: pointer;
  width: 100%;
  transition: all 0.15s;
}
.start-session-btn:hover {
  background: var(--amber2);
}
.start-session-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Session done */
.session-done {
  text-align: center;
  padding: 10px 0;
}
.session-done .done-emoji {
  font-size: 52px;
  margin-bottom: 16px;
}
.session-done h2 {
  font-family: "Lora", serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}
.session-done .score-line {
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 24px;
}

.score-breakdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.score-cell {
  background: var(--surface2);
  border-radius: 10px;
  padding: 14px 8px;
  border: 1px solid var(--border);
}
.score-cell .sc-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
}
.score-cell .sc-lbl {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.session-done-btns {
  display: flex;
  gap: 10px;
}
.session-done-btns button {
  flex: 1;
}

/* ── Info tips ──────────────────────────────────────────────────────────────── */

.info-tip {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
  position: relative;
}
.info-tip-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 7px;
}
.info-tip p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.65;
}
.info-tip-dismiss {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color 0.15s;
}
.info-tip-dismiss:hover {
  color: var(--text);
}
.tip-hidden {
  display: none;
}

/* ── Toast ──────────────────────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--surface3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  z-index: 999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast.green {
  border-left: 3px solid var(--green);
}
.toast.amber {
  border-left: 3px solid var(--amber);
}

/* ── FAB pill (mobile) ──────────────────────────────────────────────────────── */

.fab-pill {
  display: none;
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  right: 14px;
  z-index: 400;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  flex-direction: row;
  align-items: center;
  overflow: hidden;
}

.fab-btn {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 17px;
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.fab-btn:hover {
  color: var(--text);
  background: var(--surface3);
}

.fab-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── Bottom tabs (mobile) ───────────────────────────────────────────────────── */

.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(60px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 250;
  flex-direction: row;
  align-items: stretch;
}

.bottom-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border: none;
  background: none;
  color: var(--text3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.15s;
  position: relative;
  padding: 0;
}
.bottom-tab .bt-icon {
  font-size: 18px;
  line-height: 1;
}
.bottom-tab.active {
  color: var(--amber2);
}
.bottom-tab .bt-badge {
  position: absolute;
  top: 5px;
  right: calc(50% - 16px);
  background: var(--amber);
  color: var(--bg);
  font-size: 9px;
  font-weight: 700;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
}

/* ── More sheet (mobile) ────────────────────────────────────────────────────── */

.more-sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: 800;
  display: none;
  transition: background 0.25s;
}
.more-sheet-overlay.open {
  display: block;
  background: rgba(0, 0, 0, 0.55);
}

.more-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border2);
  border-radius: 20px 20px 0 0;
  z-index: 801;
  padding: 0 0 calc(env(safe-area-inset-bottom) + 12px);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}
.more-sheet.open {
  transform: translateY(0);
}

.more-sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--border2);
  border-radius: 2px;
  margin: 12px auto 20px;
}
.more-sheet-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 20px;
  margin-bottom: 12px;
}

.more-sheet-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  transition: background 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.more-sheet-item:hover {
  background: var(--surface2);
}
.more-sheet-item:first-of-type {
  border-top: 1px solid var(--border);
}

.more-sheet-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.more-icon-vocab {
  background: rgba(224, 108, 117, 0.15);
}
.more-icon-progress {
  background: rgba(212, 147, 26, 0.15);
}

.more-sheet-info {
  flex: 1;
}
.more-sheet-label {
  font-family: "Lora", serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.more-sheet-desc {
  font-size: 12px;
  color: var(--text2);
}
.more-sheet-arrow {
  color: var(--text3);
  font-size: 16px;
}

/* ── Animations ─────────────────────────────────────────────────────────────── */

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.spinning {
  animation: spin 0.5s ease;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  .bottom-tabs {
    display: flex;
  }
  .fab-pill {
    display: flex;
  }

  .page-content {
    padding: 20px 16px calc(76px + env(safe-area-inset-bottom));
  }
  .page-header {
    padding: 20px 16px 10px;
  }

  .today-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .two-col {
    grid-template-columns: 1fr;
  }

  .toast {
    bottom: calc(72px + env(safe-area-inset-bottom));
    right: 16px;
    left: 16px;
    text-align: center;
  }

  .filter-row {
    gap: 6px;
  }
  .filter-btn {
    font-size: 10px;
    padding: 5px 10px;
  }

  .week-strip {
    gap: 4px;
  }
  .week-day {
    padding: 8px 4px;
  }
  .week-day .wd-name {
    font-size: 8px;
  }
  .week-day .wd-num {
    font-size: 13px;
  }

  .modal-overlay {
    align-items: stretch;
    padding: 0;
    z-index: 9999;
  }
  .modal {
    border-radius: 0;
    max-height: 100dvh;
    height: 100dvh;
    padding: 60px 18px calc(24px + env(safe-area-inset-bottom));
    border: none;
    width: 100%;
  }
  .modal-close {
    top: calc(16px + env(safe-area-inset-top));
  }

  .study-overlay {
    padding: 0;
    align-items: stretch;
  }
  .study-modal {
    border-radius: 0;
    height: 100dvh;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 20px calc(40px + env(safe-area-inset-bottom));
    overflow-y: auto;
  }
  .study-close {
    top: calc(14px + env(safe-area-inset-top)) !important;
  }
}