/* ============================================================
   Slovníček — foundation
   Warm near-black, champagne gold, lamp-glow amber.
   Surfaces are frosted glass lit from behind.
   ============================================================ */

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

:root {
  /* --- core ----------------------------------------------- */
  --night: #0a0908;
  --night-2: #100e0c;
  --champagne: #e6cda3;
  --champagne-deep: #c7a876;
  --amber: #ffb765;
  --cream: #f4efe7;
  --rose: #d4676f;
  --leaf: #93c08f;

  /* --- glass ---------------------------------------------- */
  --glass-bg: linear-gradient(
    158deg,
    rgba(255, 252, 246, 0.072) 0%,
    rgba(255, 250, 242, 0.032) 46%,
    rgba(255, 248, 238, 0.045) 100%
  );
  --glass-bg-soft: linear-gradient(
    158deg,
    rgba(255, 252, 246, 0.05) 0%,
    rgba(255, 250, 242, 0.022) 100%
  );
  --glass-blur: saturate(150%) blur(26px);
  --glass-edge: rgba(255, 244, 228, 0.11);
  --glass-edge-lit: rgba(255, 246, 230, 0.2);
  --glass-sheen: inset 0 1px 0 rgba(255, 249, 238, 0.16);
  --glass-drop: 0 18px 44px rgba(0, 0, 0, 0.5);

  --champagne-soft: rgba(230, 205, 163, 0.13);
  --champagne-line: rgba(230, 205, 163, 0.26);
  --leaf-soft: rgba(147, 192, 143, 0.16);
  --rose-soft: rgba(212, 103, 111, 0.16);

  --rule: rgba(255, 244, 228, 0.1);
  --rule-quiet: rgba(255, 244, 228, 0.06);

  /* --- text ----------------------------------------------- */
  --text: #f4efe7;
  --text-2: #cfc7bb;
  --text-3: #a69d91;
  --text-4: #7c7468;

  /* --- CEFR ramp ------------------------------------------ */
  --a1: #10b981;
  --a2: #3b82f6;
  --b1: #6366f1;
  --b2: #f59e0b;
  --c1: #ec4899;
  --c2: #8b5cf6;

  /* --- type ----------------------------------------------- */
  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --sans:
    "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* --- metrics -------------------------------------------- */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 13px;
  --r-lg: 20px;
  --r-xl: 26px;
  --shell: 1180px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--night);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* The light the glass refracts. Fixed, so panels pick up a different
   part of the glow as the page scrolls. */
.ambience {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(
      52% 38% at 50% -4%,
      rgba(255, 183, 101, 0.16) 0%,
      rgba(255, 183, 101, 0) 70%
    ),
    radial-gradient(
      40% 34% at 92% 22%,
      rgba(230, 205, 163, 0.1) 0%,
      rgba(230, 205, 163, 0) 72%
    ),
    radial-gradient(
      46% 40% at 4% 74%,
      rgba(199, 168, 118, 0.085) 0%,
      rgba(199, 168, 118, 0) 74%
    ),
    radial-gradient(
      70% 50% at 50% 108%,
      rgba(255, 183, 101, 0.07) 0%,
      rgba(255, 183, 101, 0) 70%
    );
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.006em;
  margin: 0;
  color: var(--text);
}

h1 {
  font-size: 2.15rem;
  line-height: 1.16;
}

h2 {
  font-size: 1.72rem;
  line-height: 1.22;
}

h3 {
  font-size: 1.38rem;
  line-height: 1.3;
}

p {
  margin: 0;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
  background: rgba(255, 244, 228, 0.07);
  border-radius: var(--r-xs);
  padding: 1px 5px;
}

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

::selection {
  background: rgba(230, 205, 163, 0.3);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 2px;
  border-radius: 3px;
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(230, 205, 163, 0.24) transparent;
}

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

*::-webkit-scrollbar-thumb {
  background: rgba(230, 205, 163, 0.24);
  border-radius: 10px;
}

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

.hidden {
  display: none !important;
}

/* ============================================================
   The glass primitive
   ============================================================ */

.glass {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-sheen), var(--glass-drop);
}

/* A specular sweep across the surface — the tell that it is glass
   and not merely a translucent box. */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    112deg,
    rgba(255, 250, 240, 0.09) 0%,
    rgba(255, 250, 240, 0) 24%,
    rgba(255, 250, 240, 0) 76%,
    rgba(255, 244, 228, 0.05) 100%
  );
}

/* Without backdrop-filter the glass would sit on bare black and lose
   contrast, so fall back to a solid warm surface. */
@supports not (
  (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))
) {
  .glass {
    background: #17130f;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ============================================================
   Shell & navigation
   ============================================================ */

.app-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 26px 110px;
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 16px;
  padding: 34px 0 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--rule-quiet);
}

.wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  flex-shrink: 0;
}

.wordmark-logo {
  width: 56px;
  height: auto;
  display: block;
}

.wordmark-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.wordmark h1 {
  background: linear-gradient(
    94deg,
    var(--cream) 8%,
    var(--champagne) 48%,
    var(--champagne-deep) 96%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wordmark-note {
  font-size: 0.8rem;
  color: var(--text-4);
  letter-spacing: 0.03em;
  text-transform: none;
}

.header-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  margin-left: auto;
  min-width: 0;
}

.main-nav {
  display: flex;
  gap: 3px;
  flex-wrap: nowrap;
  padding: 4px;
  border-radius: 99px;
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.nav-tab-btn {
  background: none;
  border: 0;
  border-radius: 99px;
  color: var(--text-3);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 19px;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
  transition:
    color 0.2s var(--ease),
    background 0.2s var(--ease);
}

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

.nav-tab-btn.active {
  color: #241b10;
  background: linear-gradient(150deg, #f3e0be, var(--champagne-deep));
  box-shadow: 0 3px 14px rgba(230, 205, 163, 0.25);
}

.nav-trigger {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  border-radius: 99px;
  color: var(--text);
  font-size: 0.87rem;
  font-weight: 600;
  padding: 8px 16px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-trigger svg {
  flex-shrink: 0;
}

.nav-modal {
  width: min(360px, 100%);
}

.nav-modal-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-modal-item {
  background: rgba(255, 244, 228, 0.045);
  border: 1px solid var(--rule-quiet);
  border-radius: var(--r-md);
  color: var(--text-2);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 14px 18px;
  cursor: pointer;
  transition:
    background 0.18s var(--ease),
    border-color 0.18s var(--ease),
    color 0.18s var(--ease);
}

.nav-modal-item:hover {
  border-color: var(--rule);
  color: var(--text);
}

.nav-modal-item.active {
  color: #241b10;
  background: linear-gradient(150deg, #f3e0be, var(--champagne-deep));
  border-color: transparent;
}

@media (max-width: 560px) {
  .main-nav {
    display: none;
  }

  .nav-trigger {
    display: inline-flex;
  }
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* ============================================================
   Panels
   ============================================================ */

.panel {
  border-radius: var(--r-xl);
  padding: 28px 30px;
  margin-bottom: 22px;
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.panel-desc {
  color: var(--text-2);
  font-size: 0.97rem;
  max-width: 64ch;
  margin-bottom: 20px;
}

/* ============================================================
   Progress ledger
   ============================================================ */

.ledger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  border-radius: var(--r-xl);
  padding: 22px 30px;
  margin-bottom: 28px;
}

.ledger-figure {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--serif);
}

.ledger-learned {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1;
  color: var(--champagne);
  font-variant-numeric: lining-nums tabular-nums;
}

.ledger-total {
  font-size: 1.22rem;
  color: var(--text-4);
  font-variant-numeric: lining-nums tabular-nums;
}

.ledger-body {
  min-width: 0;
}

.ledger-caption {
  font-size: 0.92rem;
  color: var(--text-2);
  margin-bottom: 11px;
}

.ledger-caption strong {
  color: var(--text);
  font-weight: 600;
}

.track {
  height: 4px;
  background: rgba(255, 244, 228, 0.09);
  border-radius: 99px;
  overflow: hidden;
}

.track-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(
    90deg,
    var(--champagne-deep),
    var(--champagne) 55%,
    var(--amber)
  );
  box-shadow: 0 0 14px rgba(255, 183, 101, 0.3);
  transition: width 0.55s var(--ease);
}

.ledger-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
}

.ledger-hint {
  font-size: 0.8rem;
  color: var(--text-4);
  text-align: right;
  max-width: 24ch;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  font-family: var(--sans);
  font-size: 0.93rem;
  font-weight: 600;
  letter-spacing: 0.008em;
  border-radius: 99px;
  padding: 11px 22px;
  cursor: pointer;
  transition:
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.btn-solid {
  background: linear-gradient(150deg, #f3e0be, var(--champagne-deep));
  border: 1px solid rgba(255, 246, 226, 0.4);
  color: #241b10;
  box-shadow: 0 4px 18px rgba(230, 205, 163, 0.22);
}

.btn-solid:hover:not(:disabled) {
  background: linear-gradient(150deg, #fbedd3, #d7b983);
  box-shadow: 0 6px 24px rgba(255, 183, 101, 0.32);
}

.btn-outline {
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--champagne-line);
  color: var(--champagne);
}

.btn-outline:hover:not(:disabled) {
  background: var(--champagne-soft);
  border-color: var(--champagne);
}

.btn-quiet {
  background: rgba(255, 244, 228, 0.045);
  border: 1px solid var(--rule-quiet);
  color: var(--text-2);
}

.btn-quiet:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--rule);
  background: rgba(255, 244, 228, 0.08);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-wide {
  display: block;
  width: 100%;
  margin-top: 16px;
}

/* ============================================================
   Form controls
   ============================================================ */

.field {
  background: rgba(10, 9, 8, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 12px 15px;
  font-size: 0.97rem;
  transition:
    border-color 0.2s var(--ease),
    background 0.2s var(--ease);
  min-width: 0;
}

.field::placeholder {
  color: var(--text-4);
}

.field:hover {
  border-color: var(--rule);
  background: rgba(10, 9, 8, 0.35);
}

.field:focus {
  border-color: var(--champagne);
  outline: none;
}

select.field {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-3) 50%),
    linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 52%,
    calc(100% - 12px) 52%;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
  cursor: pointer;
}

select.field option {
  background: #14110e;
  color: var(--text);
}

textarea.field {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  line-height: 1.6;
}

/* ============================================================
   CEFR marks
   ============================================================ */

.lvl-a1 {
  --lvl: var(--a1);
}

.lvl-a2 {
  --lvl: var(--a2);
}

.lvl-b1 {
  --lvl: var(--b1);
}

.lvl-b2 {
  --lvl: var(--b2);
}

.lvl-c1 {
  --lvl: var(--c1);
}

.lvl-c2 {
  --lvl: var(--c2);
}

.level-mark {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-3);
}

.level-mark::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lvl, var(--champagne));
  box-shadow: 0 0 9px var(--lvl, var(--champagne));
}

/* Level filter row */
.level-rail {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.level-chip {
  --lvl: var(--champagne);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 92px;
  border-radius: var(--r-md);
  padding: 11px 16px 10px;
  cursor: pointer;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition:
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.level-chip-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--lvl, var(--champagne));
  opacity: 0.85;
  transition: width 0.3s var(--ease);
}

.level-chip:hover:not(:disabled) {
  border-color: var(--glass-edge-lit);
}

.level-chip.active {
  border-color: color-mix(in srgb, var(--lvl) 55%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--lvl) 28%, transparent),
    0 8px 22px rgba(0, 0, 0, 0.4);
  background: var(--glass-bg);
}

.level-chip:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.level-chip-name {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.level-chip.active .level-chip-name {
  color: var(--lvl);
}

.level-chip-count {
  font-size: 0.78rem;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   Dictionary
   ============================================================ */

.filter-bar {
  display: flex;
  gap: 11px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.filter-bar .field {
  flex: 1 1 210px;
}

.filter-bar .field-search {
  flex: 2 1 330px;
}

.result-line {
  font-size: 0.87rem;
  color: var(--text-4);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}

.word-list {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  overflow: hidden;
}

/* Base entry styles - desktop/tablet */
.entry {
  --lvl: var(--champagne);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  padding: 19px 24px 19px 22px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--rule-quiet);
  transition:
    background 0.18s var(--ease),
    border-left-color 0.18s var(--ease);
  position: relative;
}

.entry:last-child {
  border-bottom: 0;
}

.entry:hover {
  background: rgba(255, 249, 238, 0.045);
  border-left-color: var(--lvl);
}

.entry.is-learned {
  border-left-color: var(--lvl);
}

.entry-main {
  min-width: 0;
}

.entry-head {
  display: flex;
  align-items: baseline;
  gap: 11px;
  flex-wrap: wrap;
}

.entry-cz {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.15;
  letter-spacing: 0.008em;
  color: var(--cream);
}

.btn-say {
  background: none;
  border: 0;
  color: var(--text-4);
  cursor: pointer;
  padding: 3px 5px;
  line-height: 1;
  border-radius: var(--r-xs);
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-say:hover {
  color: var(--amber);
  transform: scale(1.08);
}

.btn-say.is-speaking {
  color: var(--amber);
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--amber) 60%, transparent));
  animation: pulse-say 1.2s infinite ease-in-out;
}

@keyframes pulse-say {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.18); opacity: 1; }
}

.btn-say svg {
  display: block;
  width: 17px;
  height: 17px;
}

.entry-phon {
  font-size: 0.88rem;
  color: var(--text-4);
  font-style: italic;
}

.entry-ua {
  font-size: 1.06rem;
  color: var(--text);
  margin-top: 2px;
}

.entry-usage {
  margin-top: 11px;
  padding: 9px 0 9px 15px;
  border-left: 2px solid var(--champagne-line);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text-2);
}

.entry-usage-translation {
  margin-top: 6px;
  padding-left: 15px;
  font-size: 0.93rem;
  line-height: 1.45;
  color: var(--text-3);
  font-style: italic;
  border-left: 2px solid transparent;
}

@keyframes pulse-text {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.entry-usage-row {
  cursor: pointer;
  border-radius: var(--r-xs);
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}

.entry-usage-row:hover .entry-usage {
  color: var(--amber);
  border-left-color: var(--amber);
}

.entry-usage-row.is-speaking-usage .entry-usage {
  color: var(--amber);
  border-left-color: var(--amber);
  animation: pulse-text 1.2s infinite ease-in-out;
}

.entry-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.btn-learn {
  font-family: var(--sans);
  background: rgba(255, 244, 228, 0.05);
  border: 1px solid var(--rule-quiet);
  border-radius: 99px;
  color: var(--text-3);
  font-size: 0.83rem;
  font-weight: 600;
  padding: 6px 15px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s var(--ease);
}

.btn-learn:hover {
  border-color: var(--rule);
  color: var(--text);
}

.btn-learn.on {
  background: var(--leaf-soft);
  border-color: rgba(147, 192, 143, 0.45);
  color: var(--leaf);
}

/* Phones only (tablets keep the desktop layout): level badge
   pinned top-right of the card, learn button spans full width
   beneath the text. */
@media (max-width: 560px) {
  .entry {
    grid-template-columns: 1fr;
    padding: 17px 18px;
  }

  .entry-main {
    padding-right: 54px;
  }

  .entry-cz {
    font-size: 1.55rem;
  }

  .entry-side {
    display: contents;
  }

  .level-mark {
    position: absolute;
    top: 17px;
    right: 18px;
  }

  .btn-learn {
    display: block;
    width: 100%;
    margin-top: 14px;
    text-align: center;
  }
}

.empty-note strong {
  color: var(--text);
  font-weight: 600;
}

/* ============================================================
   Roadmap — colour-coded stage cards
   ============================================================ */

.roadmap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stage {
  --lvl: var(--champagne);
  position: relative;
  border-radius: var(--r-lg);
  padding: 24px 28px 22px;
  overflow: hidden;
}

/* The colour rail that identifies the level at a glance. */
.stage::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--lvl);
  box-shadow: 0 0 22px color-mix(in srgb, var(--lvl) 60%, transparent);
}

.stage.locked {
  opacity: 0.6;
}

.stage-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.stage-level {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--lvl);
  margin-bottom: 2px;
}

.stage-title {
  font-family: var(--serif);
  font-size: 1.62rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--cream);
}

.stage-pill {
  flex: none;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-2);
  background: rgba(255, 244, 228, 0.07);
  border: 1px solid var(--rule-quiet);
  border-radius: 99px;
  padding: 5px 14px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stage.done .stage-pill {
  color: var(--lvl);
  border-color: color-mix(in srgb, var(--lvl) 45%, transparent);
  background: color-mix(in srgb, var(--lvl) 14%, transparent);
}

.stage-desc {
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 70ch;
  margin-top: 10px;
}

.stage-rule {
  height: 1px;
  background: var(--rule-quiet);
  margin: 18px 0 16px;
}

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

.topic {
  font-size: 0.83rem;
  color: var(--text-2);
  background: rgba(255, 244, 228, 0.045);
  border: 1px solid var(--rule-quiet);
  border-radius: 99px;
  padding: 5px 13px;
  transition:
    border-color 0.18s var(--ease),
    color 0.18s var(--ease);
}

.topic:hover {
  border-color: color-mix(in srgb, var(--lvl) 50%, transparent);
  color: var(--text);
}

.topic-n {
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

.stage-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.stage-count {
  font-size: 0.85rem;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

.stage-actions {
  display: flex;
  gap: 9px;
}

.stage .btn {
  font-size: 0.86rem;
  padding: 8px 17px;
}

/* ============================================================
   Own words
   ============================================================ */

.form-row {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.6fr auto;
  gap: 11px;
}

.table-wrap {
  max-height: 480px;
  overflow: auto;
  border: 1px solid var(--rule-quiet);
  border-radius: var(--r-md);
}

table.db {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

table.db th {
  position: sticky;
  top: 0;
  background: #161310;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-3);
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  z-index: 1;
}

table.db td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule-quiet);
  color: var(--text-2);
}

table.db tr:hover td {
  background: rgba(255, 249, 238, 0.04);
}

table.db td.cz-cell {
  font-family: var(--serif);
  font-size: 1.22rem;
  color: var(--text);
}

.btn-remove {
  background: none;
  border: 0;
  color: var(--text-4);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: var(--r-xs);
}

.btn-remove:hover {
  color: var(--rose);
  background: var(--rose-soft);
}

.db-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* ============================================================
   Level test overlay
   ============================================================ */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 5, 4, 0.8);
  display: grid;
  place-items: center;
  padding: 22px;
  z-index: 60;
}

.overlay-window {
  width: min(640px, 100%);
  max-height: 88vh;
  overflow: auto;
  border-radius: var(--r-xl);
}

.overlay-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 30px 18px;
}

.overlay-head p {
  font-size: 0.9rem;
  color: var(--text-3);
  margin-top: 4px;
}

.btn-close {
  background: none;
  border: 0;
  color: var(--text-3);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

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

.overlay-body {
  padding: 22px 30px 30px;
}

.exam-meta {
  font-size: 0.82rem;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.exam-word {
  font-family: var(--serif);
  font-size: 2.9rem;
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  margin: 18px 0 6px;
  color: var(--cream);
}

.exam-phon {
  text-align: center;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-4);
  margin-bottom: 24px;
  min-height: 20px;
}

.result-pane {
  text-align: center;
  padding: 18px 0 6px;
}

.result-score {
  font-family: var(--serif);
  font-size: 4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--champagne);
  font-variant-numeric: lining-nums tabular-nums;
}

.result-of {
  font-size: 0.97rem;
  color: var(--text-4);
  margin-bottom: 14px;
}

.result-pane h2 {
  margin-bottom: 9px;
}

.result-pane p {
  font-size: 0.97rem;
  color: var(--text-2);
  max-width: 46ch;
  margin: 0 auto 24px;
}

/* ============================================================
   Language selection modal
   ============================================================ */

.lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.btn-lang-option {
  height: auto;
  text-align: center;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition:
    transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.btn-lang-option:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn-lang-option strong {
  display: block;
  font-size: 1.25rem;
  color: var(--cream);
}

.btn-lang-option span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-4);
  font-weight: 400;
}

.btn-lang-option.active {
  border-color: var(--champagne);
  background: var(--champagne-soft);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 880px) {
  .app-shell {
    padding: 0 16px 90px;
  }

  .ledger {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .ledger-action {
    align-items: flex-start;
  }

  .ledger-hint {
    text-align: left;
    max-width: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 22px 18px;
  }

  .stage {
    padding: 20px 20px 18px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .app-header {
    align-items: flex-start;
    padding-top: 24px;
  }

  h1 {
    font-size: 1.85rem;
  }

  .nav-tab-btn {
    padding: 7px 13px;
    font-size: 0.87rem;
  }

  .ledger-learned {
    font-size: 2.4rem;
  }

  .stage-top {
    flex-direction: column;
    gap: 10px;
  }
}

/* ============================================================
   Practice — one design language across all five drills.
   ============================================================ */

.practice-panel {
  min-height: 520px;
  display: flex;
  flex-direction: column;
}

/* ---------- Setup ---------------------------------------- */

.setup-lead {
  margin-bottom: 22px;
}

.drill-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(226px, 1fr));
  gap: 11px;
  margin-bottom: 26px;
}

.drill-option {
  text-align: left;
  border-radius: var(--r-md);
  padding: 17px 19px 18px;
  cursor: pointer;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition:
    border-color 0.2s var(--ease),
    background 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.drill-option:hover:not(:disabled) {
  border-color: var(--glass-edge-lit);
}

.drill-option.active {
  border-color: var(--champagne-line);
  background: var(--glass-bg);
  box-shadow:
    0 0 0 1px rgba(230, 205, 163, 0.16),
    0 10px 28px rgba(0, 0, 0, 0.42);
}

.drill-option:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.drill-option-name {
  display: block;
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--cream);
}

.drill-option.active .drill-option-name {
  color: var(--champagne);
}

.drill-option-desc {
  display: block;
  font-size: 0.89rem;
  color: var(--text-3);
  line-height: 1.5;
}

.drill-option.active .drill-option-desc {
  color: var(--text-2);
}

.drill-option-avail {
  display: block;
  margin-top: 11px;
  font-size: 0.8rem;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

.drill-option.active .drill-option-avail {
  color: var(--champagne-deep);
}

.setup-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 11px;
  align-items: end;
  padding-top: 22px;
  border-top: 1px solid var(--rule-quiet);
}

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* ---------- Shared session chrome ------------------------ */

.drill {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.drill-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 13px;
}

.drill-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-2);
}

.drill-stats {
  display: flex;
  align-items: baseline;
  gap: 20px;
  font-size: 0.87rem;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

.drill-stats b {
  color: var(--text);
  font-weight: 700;
}

.drill-stats .streak {
  color: var(--amber);
}

.drill-rule {
  height: 3px;
  background: rgba(255, 244, 228, 0.08);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 34px;
}

.drill-rule-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--champagne-deep),
    var(--champagne) 60%,
    var(--amber)
  );
  box-shadow: 0 0 12px rgba(255, 183, 101, 0.35);
  transition: width 0.4s var(--ease);
}

.drill-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.drill-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-quiet);
}

.foot-right {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

/* ---------- The prompt ----------------------------------- */

.prompt {
  text-align: center;
  margin-bottom: 32px;
}

.prompt-kicker {
  font-size: 0.93rem;
  color: var(--text-3);
  margin-bottom: 14px;
}

.prompt-word {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.3rem, 6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: 0.006em;
  word-break: break-word;
  color: var(--cream);
}

/* Sentences and Ukrainian prompts are read word by word — sans, and
   never smaller than body text. */
.prompt-sentence {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.28rem, 3vw, 1.7rem);
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--cream);
  max-width: 34ch;
  margin: 0 auto;
}

.prompt-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin-top: 12px;
  font-size: 1rem;
  color: var(--text-3);
  min-height: 26px;
}

.prompt-sub em {
  font-style: italic;
  color: var(--text-4);
}

/* ---------- Cloze gap ------------------------------------ */

.gap {
  display: inline-block;
  min-width: 5ch;
  border-bottom: 2px solid var(--champagne);
  box-shadow: 0 6px 16px -8px var(--amber);
  vertical-align: baseline;
}

/* ---------- Options grid --------------------------------- */

.opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}

.opt {
  position: relative;
  text-align: left;
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 1.04rem;
  padding: 16px 19px;
  cursor: pointer;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition:
    border-color 0.16s var(--ease),
    background 0.16s var(--ease),
    opacity 0.22s var(--ease);
}

.opt:hover:not(:disabled) {
  border-color: var(--champagne-line);
  background: var(--glass-bg);
}

.opt:disabled {
  cursor: default;
}

.opt.right {
  border-color: rgba(147, 192, 143, 0.6);
  background: var(--leaf-soft);
  color: var(--cream);
}

.opt.wrong {
  border-color: rgba(212, 103, 111, 0.6);
  background: var(--rose-soft);
}

.opt.faded {
  opacity: 0.32;
}

.opt-cz {
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 600;
}

/* ---------- Verdict -------------------------------------- */

.verdict {
  text-align: center;
  margin-top: 24px;
  min-height: 54px;
}

.verdict-line {
  font-size: 1.04rem;
  font-weight: 600;
}

.verdict-line.ok {
  color: var(--leaf);
}

.verdict-line.bad {
  color: #e58891;
}

.verdict-usage {
  font-size: 1.04rem;
  line-height: 1.5;
  color: var(--text-2);
  margin-top: 8px;
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Typing --------------------------------------- */

.answer-row {
  display: flex;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}

.answer-field {
  flex: 1;
  background: rgba(10, 9, 8, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
  padding: 14px 18px;
  font-size: 1.32rem;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  transition: border-color 0.2s var(--ease);
}

.answer-field::placeholder {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-4);
}

.answer-field:focus {
  outline: none;
  border-color: var(--champagne);
}

.answer-field.right {
  border-color: var(--leaf);
  color: var(--leaf);
}

.answer-field.wrong {
  border-color: var(--rose);
}

.answer-field:disabled {
  opacity: 1;
}

/* ---------- Pairs ---------------------------------------- */

.pairs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.pair-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tile {
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 15px 17px;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.35;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition:
    border-color 0.16s var(--ease),
    background 0.16s var(--ease),
    opacity 0.28s var(--ease);
}

.tile.cz {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
}

.tile:hover:not(.locked) {
  border-color: var(--champagne-line);
  background: var(--glass-bg);
}

.tile.picked {
  border-color: var(--champagne);
  background: var(--champagne-soft);
  box-shadow: 0 0 0 1px rgba(230, 205, 163, 0.25);
}

.tile.locked {
  border-color: transparent;
  background: var(--leaf-soft);
  color: var(--text-4);
  cursor: default;
  opacity: 0.4;
}

.tile.miss {
  border-color: var(--rose);
  background: var(--rose-soft);
}

/* ---------- Builder -------------------------------------- */

.build-area {
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.slot {
  min-height: 86px;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  gap: 8px;
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin-bottom: 20px;
  border: 1px dashed var(--champagne-line);
  background: rgba(10, 9, 8, 0.4);
  transition:
    border-color 0.24s var(--ease),
    background 0.24s var(--ease);
}

.slot.right {
  border-style: solid;
  border-color: var(--leaf);
  background: var(--leaf-soft);
}

.slot.wrong {
  border-style: solid;
  border-color: var(--rose);
  background: var(--rose-soft);
}

.slot:empty::before {
  content: attr(data-empty);
  font-size: 0.95rem;
  color: var(--text-4);
}

.chip-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  min-height: 48px;
}

.chip {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 9px 17px;
  cursor: pointer;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition:
    border-color 0.16s var(--ease),
    transform 0.16s var(--ease);
}

.chip:hover:not(:disabled) {
  border-color: var(--champagne);
}

.chip:active:not(:disabled) {
  transform: translateY(1px);
}

.chip:disabled {
  cursor: default;
  opacity: 0.85;
}

/* ---------- Results -------------------------------------- */

.drill-result {
  text-align: center;
  padding: 32px 0;
  animation: rise 0.5s var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.drill-result .result-score {
  font-family: var(--serif);
  font-size: 4.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--champagne);
  font-variant-numeric: lining-nums tabular-nums;
}

.result-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 26px;
}

.review-list {
  max-width: 560px;
  margin: 28px auto 0;
  text-align: left;
  border-top: 1px solid var(--rule-quiet);
}

.review-head {
  font-size: 0.85rem;
  color: var(--text-4);
  padding: 14px 2px 8px;
}

.review-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--rule-quiet);
}

.review-cz {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--cream);
}

.review-ua {
  font-size: 0.95rem;
  color: var(--text-2);
  text-align: right;
}

/* ---------- Responsive ----------------------------------- */

@media (max-width: 660px) {
  .pairs {
    gap: 8px;
  }

  .tile {
    padding: 12px 13px;
    font-size: 0.95rem;
  }

  .tile.cz {
    font-size: 1.16rem;
  }

  .opt-grid {
    grid-template-columns: 1fr;
  }

  .drill-rule {
    margin-bottom: 26px;
  }

  .drill-stats {
    gap: 14px;
    font-size: 0.82rem;
  }
}