/* ==========================================================================
   05 · KOMPONENTLAR — tugmalar, kartochkalar, savollar, qoidalar, jadval,
        qoidalar paneli, javoblar kaliti, lugʻat
   ========================================================================== */

/* ============ TUGMALAR ============ */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 13px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: .95rem;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
}
.btn::after {                       /* yuzada sirpanuvchi yorugʻlik */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, transparent 32%, rgba(255, 255, 255, .38) 48%, transparent 62%);
  transform: translateX(-120%);
  transition: transform .7s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: translateY(0) scale(.99); }
.btn.sm { padding: 9px 15px; font-size: .86rem; }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, .32) inset,
    0 10px 22px -10px color-mix(in srgb, var(--blue) 85%, transparent),
    0 24px 48px -22px color-mix(in srgb, var(--violet) 75%, transparent);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, .38) inset,
    0 16px 30px -12px color-mix(in srgb, var(--blue) 85%, transparent),
    0 34px 66px -24px color-mix(in srgb, var(--violet) 80%, transparent);
}
.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: var(--elev-1);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--blue); color: var(--blue); box-shadow: var(--elev-hover); }

/* ============ KARTOCHKALAR ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--elev-1);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--elev-hover); }
.card h3 { font-size: 1.22rem; }
.card p { color: var(--ink-2); }
.card.sci { border-top: 4px solid var(--blue); }
.card.simple { border-top: 4px solid var(--green); }
.card.accent { background: linear-gradient(140deg, color-mix(in srgb, var(--violet) 10%, var(--surface)), var(--surface)); }

.mini-note {
  background: var(--surface-2);
  border-radius: var(--r-sm);
  padding: 10px 13px;
  font-size: .92rem;
  margin-bottom: 0;
}
.para { color: var(--ink-2); font-size: 1.02rem; max-width: 900px; }

/* ============ HIKOYA ============ */
.story {
  position: relative;
  background: linear-gradient(135deg, color-mix(in srgb, var(--amber) 14%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--line));
  border-radius: var(--r-lg);
  padding: 26px 26px 18px;
  box-shadow: var(--elev-1);
  backdrop-filter: blur(2px);
}
.story::after { content: ""; display: block; clear: both; }
.story p { font-size: 1.03rem; }
.story-badge {
  position: absolute;
  top: -13px; left: 24px;
  background: linear-gradient(135deg, var(--amber), #ff8f3c);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  box-shadow: 0 8px 18px -10px color-mix(in srgb, var(--amber) 90%, transparent);
}
.story-avatar {
  float: right;
  width: 116px;
  aspect-ratio: 1;
  margin: 0 0 10px 18px;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--blue) 14%, var(--surface)), var(--surface));
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--amber) 40%, transparent),
    0 0 0 4px color-mix(in srgb, var(--surface) 90%, transparent),
    var(--elev-2);
}
.story-avatar .avatar-img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 46%;
}
.avatar-fallback { display: none; }
.story-avatar.no-img .avatar-img { display: none; }
.story-avatar.no-img .avatar-fallback { display: block; width: 100%; height: auto; }
html[data-theme="dark"] .story-avatar {
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--amber) 34%, transparent),
    0 0 0 4px color-mix(in srgb, var(--surface) 90%, transparent),
    var(--elev-2);
}

.story-tip {
  background: var(--surface);
  border-left: 4px solid var(--green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 11px 15px;
  margin-bottom: 8px;
}
.hl {
  background: linear-gradient(180deg, transparent 58%, color-mix(in srgb, var(--amber) 55%, transparent) 58%);
  padding: 0 3px;
  color: var(--ink);
}
/* Sariq chiziq kasrning maxraji ustidan kesib oʻtmasin —
   kasr boʻlsa, chiziq oʻrniga yumshoq fon beriladi. */
.hl:has(.frac) {
  background: color-mix(in srgb, var(--amber) 28%, transparent);
  border-radius: .5em;
  padding: .12em .35em;
}

/* ============ XULOSA / FAKT / HAYOTDA ============ */
.recap {
  margin-top: 26px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--green) 13%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--green) 32%, var(--line));
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--elev-1);
}
.recap h3 { font-size: 1.2rem; }
.recap ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.recap li { margin-bottom: 7px; }

.fact {
  margin-top: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--violet) 14%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--violet) 30%, var(--line));
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--elev-1);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.fact:hover { transform: translateY(-4px); box-shadow: var(--elev-hover); }
.fact p { margin: 0; color: var(--ink-2); }

.life-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.life {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: var(--elev-1);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.life:hover { transform: translateY(-4px); box-shadow: var(--elev-hover); }
.life > span { font-size: 2rem; display: block; line-height: 1.2; }
.life b { display: block; font-size: 1.1rem; margin: 6px 0 4px; }
.life p { color: var(--ink-2); font-size: .93rem; margin: 0; }

/* ============ SAVOL BLOKI ============ */
.quiz {
  position: relative;
  margin: 30px 0 24px;
  background: var(--surface);
  border: 2px solid color-mix(in srgb, var(--blue) 22%, var(--line));
  border-radius: var(--r-lg);
  padding: 22px 24px;
  box-shadow: var(--elev-1);
  scroll-margin-top: calc(var(--topbar-h) + 30px);
}
.quiz::before {
  content: attr(data-label);
  position: absolute;
  top: -13px; left: 22px;
  background: var(--grad-brand);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 800;
}
.q-text { font-size: 1.08rem; font-weight: 700; margin: 6px 0 14px; }
.q-viz {
  max-width: 320px;
  margin: 0 0 16px;
  padding: 12px;
  background: var(--surface-2);
  border-radius: var(--r-md);
}
.q-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }

.opt {
  display: flex;
  align-items: center;
  text-align: left;
  min-height: 52px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: 2px solid var(--line);
  background: var(--surface);
  font-weight: 700;
  font-size: .96rem;
  box-shadow: var(--elev-1);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              border-color .2s var(--ease), background .2s var(--ease);
}
.opt:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--blue); box-shadow: var(--elev-hover); }
.opt:disabled { cursor: default; }
.opt.is-right {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 16%, var(--surface));
  color: var(--green-dk);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--green) 55%, transparent) inset,
              0 14px 30px -14px color-mix(in srgb, var(--green) 85%, transparent);
}
.opt.is-wrong {
  border-color: var(--red);
  background: color-mix(in srgb, var(--red) 14%, var(--surface));
  color: var(--red);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--red) 50%, transparent) inset,
              0 14px 30px -14px color-mix(in srgb, var(--red) 80%, transparent);
}
/* Kasr ustidan chizib tashlash chizigʻi kasr chizigʻi bilan chalkashmasin —
   shuning uchun line-through emas, "✕" belgisi ishlatiladi. */
.opt.is-wrong::before { content: "✕"; margin-right: 8px; font-weight: 900; }
.opt.is-right::before { content: "✓"; margin-right: 8px; font-weight: 900; color: var(--green); }
html[data-theme="dark"] .opt.is-right { color: #7ff0c6; }

.q-exp {
  display: none;
  margin-top: 14px;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--green) 10%, var(--surface-2));
  border-left: 4px solid var(--green);
  font-size: .96rem;
}
.quiz.answered .q-exp,
body.teacher .q-exp { display: block; }
body.teacher .opt[data-ok] {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 14%, var(--surface));
}
.q-retry {
  margin-top: 12px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--blue);
  text-decoration: underline;
}

/* ---- qoida bloki (asos) ---- */
.rule-box {
  margin-top: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: var(--r-md);
  padding: 22px 24px;
  box-shadow: var(--elev-1);
}
.rule-box.success { border-left-color: var(--green); }
.rule-box h3 { font-size: 1.15rem; }
.rule-box p { color: var(--ink-2); }

.rule-formula {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 10px;
}
.rf-den { color: var(--green); }
.rf-num { color: var(--blue); }

/* ---- tenglama qatorlari ---- */
.big-eq {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35em;
  flex-wrap: wrap;
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  padding: 16px 14px;
  background: var(--surface-2);
  border-radius: var(--r-md);
  margin-top: 8px;
  color: var(--ink);
  line-height: 1.35;
}
.step-eq {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 16px 14px;
  margin: 12px 0;
  font-size: 1.3rem;
  font-weight: 900;
}
.step-eq .arr { font-size: .85rem; color: var(--violet); font-weight: 800; }

/* ============ JADVAL ============ */
.table-wrap {
  overflow-x: auto;
  margin-top: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  box-shadow: var(--elev-2);
}
.read-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  table-layout: fixed;
  background: var(--surface);
}
.read-table caption {
  text-align: left;
  padding: 16px 20px 6px;
  font-weight: 800;
  color: var(--ink);
}
.read-table th, .read-table td {
  padding: 12px 18px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.read-table th {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--surface-2) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-2);
}
.read-table th:first-child, .read-table td:first-child { width: 26%; }
.read-table th:nth-child(2), .read-table td:nth-child(2) { width: 30%; }
.read-table tbody tr { transition: background .18s var(--ease); }
.read-table tbody tr:hover { background: var(--surface-2); }
.read-table td b { font-size: 1.2rem; color: var(--blue); }
.read-table .tviz { width: 62px; margin-inline: auto; }

/* ============ MASALALAR (details) ============ */
.task-list { margin-top: 10px; }
.task {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin-bottom: 10px;
  box-shadow: var(--elev-1);
  overflow: hidden;
}
.task summary {
  cursor: pointer;
  padding: 15px 46px 15px 20px;
  font-weight: 600;
  list-style: none;
  position: relative;
}
.task summary::-webkit-details-marker { display: none; }
.task summary::after {
  content: "▼";
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: .7rem;
  color: var(--blue);
  transition: transform .2s;
}
.task[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.task summary:hover { background: var(--surface-2); }
.task-sol {
  padding: 4px 20px 16px;
  border-top: 1px dashed var(--line);
  background: color-mix(in srgb, var(--green) 6%, var(--surface));
}
.task-sol p { margin: 8px 0; }

/* ============ QOIDALAR PANELI ============ */
.rules-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 44, .45);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 70;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.rules-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(430px, 92vw);
  height: 100%;
  z-index: 71;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 96%, transparent), var(--surface));
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-left: 1px solid var(--line);
  box-shadow: -30px 0 80px -30px rgba(23, 43, 84, .45);
  animation: slideIn .28s var(--ease);
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

.rp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 22px 12px;
  border-bottom: 1px solid var(--line);
}
.rp-head h3 { margin: 0; font-size: 1.25rem; }
.rp-close {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink-2);
}
.rp-close:hover { background: var(--red); color: #fff; border-color: transparent; }
.rp-hint { padding: 12px 22px 0; margin: 0; font-size: .85rem; color: var(--ink-2); }
.rp-body { padding: 14px 18px 30px; overflow-y: auto; display: grid; gap: 9px; }

.rp-group {
  margin-top: 10px;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.rp-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 2px solid var(--line);
  background: var(--surface-2);
  font-size: .93rem;
  font-weight: 600;
  line-height: 1.45;
  box-shadow: var(--elev-1);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.rp-item:hover { transform: translateX(-3px); border-color: var(--blue); box-shadow: var(--elev-hover); }
.rp-badge {
  flex-shrink: 0;
  min-width: 30px;
  height: 26px;
  padding: 0 8px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 6px 14px -8px rgba(23, 43, 84, .6);
}
.rp-item.is-gold { border-color: #f0c96b; background: linear-gradient(135deg, #fff8e6, var(--surface)); }
.rp-item.is-gold:hover { border-color: #e0a51f; }
.rp-item.is-gold .rp-badge { background: linear-gradient(135deg, #f7b733, #fc9d1c); }
.rp-item.is-rule .rp-badge { background: linear-gradient(135deg, var(--blue), #4f8bff); }
.rp-item.is-warn { border-color: #f3bcbc; }
.rp-item.is-warn .rp-badge { background: linear-gradient(135deg, #e05252, #f27272); }
html[data-theme="dark"] .rp-item.is-gold { background: linear-gradient(135deg, #33290f, var(--surface)); border-color: #6b5518; }

/* ============ JAVOBLAR KALITI VA LUGʻAT ============ */
.answer-key {
  margin-top: 20px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--amber) 12%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--amber) 32%, var(--line));
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--elev-2);
}
.ak-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.ak-head h3 { margin: 0; font-size: 1.2rem; }
.ak-body { margin-top: 16px; display: grid; gap: 10px; }
.ak-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 13px 16px;
}
.ak-item .ak-q { font-weight: 700; margin-bottom: 5px; }
.ak-item .ak-a { color: var(--green-dk); font-weight: 700; }
html[data-theme="dark"] .ak-item .ak-a { color: #7ff0c6; }
.ak-item .ak-e { color: var(--ink-2); font-size: .9rem; margin-top: 3px; }
.ak-sec {
  font-weight: 800;
  color: var(--ink-2);
  text-transform: uppercase;
  font-size: .78rem;
  letter-spacing: .05em;
  margin-top: 8px;
}

.hw-list { margin: 0; padding-left: 20px; color: var(--ink-2); }
.hw-list li { margin-bottom: 9px; }
.homework { margin-top: 20px; }
.hw-answers { margin-top: 14px; }

.glossary { margin-top: 20px; }
.glossary dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px; }
.glossary dl > div {
  background: var(--surface-2);
  border-radius: var(--r-sm);
  padding: 11px 15px;
  box-shadow: var(--elev-1);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.glossary dl > div:hover { transform: translateY(-4px); box-shadow: var(--elev-hover); }
.glossary dt { font-weight: 800; color: var(--blue); }
.glossary dd { margin: 2px 0 0; color: var(--ink-2); font-size: .93rem; }