/* ====================================================
   LINGUA — Frontend Styles  (mobile-first)
   ==================================================== */

/* ── Variables ── */
:root {
  --clay:        #E8633A;
  --clay-dark:   #C44E28;
  --clay-muted:  rgba(232,99,58,0.10);
  --cream:       #FBF7F1;
  --cream-dark:  #F2EBE0;
  --ink:         #18120E;
  --ink-soft:    #6B5A4E;
  --ink-faint:   #B0A09A;
  --sage:        #6A9B6E;
  --gold:        #D4A843;
  --white:       #FFFFFF;
  --border:      rgba(24,18,14,0.09);
  --shadow-sm:   0 2px 8px rgba(24,18,14,0.06);
  --shadow-md:   0 8px 28px rgba(24,18,14,0.10);
  --shadow-lg:   0 20px 60px rgba(24,18,14,0.14);
  --r-sm:   12px;
  --r-md:   18px;
  --r-lg:   26px;
  --r-full: 100px;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Sora', 'Helvetica Neue', sans-serif;
}

/* ── Reset & base ── */
.lingua-wrap * { box-sizing: border-box; }
.lingua-wrap { font-family: var(--font-body); color: var(--ink); }
.lingua-wrap img { max-width: 100%; display: block; }
.lingua-wrap a { color: var(--clay); }

/* ── Buttons ── */
.lng-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 13px 26px; border-radius: var(--r-full);
  font-family: var(--font-body); font-size: 15px; font-weight: 700;
  cursor: pointer; text-decoration: none; transition: all .2s;
  border: none; line-height: 1;
}
.lng-btn--primary  { background: var(--clay); color: #fff; box-shadow: 0 6px 18px rgba(232,99,58,.28); }
.lng-btn--primary:hover { background: var(--clay-dark); transform: translateY(-1px); color: #fff; }
.lng-btn--ghost    { background: none; color: var(--ink); border: 1.5px solid var(--border); }
.lng-btn--ghost:hover  { border-color: var(--clay); color: var(--clay); }
.lng-btn--outline  { background: none; color: var(--clay); border: 1.5px solid var(--clay); }
.lng-btn--outline:hover { background: var(--clay-muted); }
.lng-btn--outline-white { background: none; color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.lng-btn--outline-white:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }
.lng-btn--white    { background: #fff; color: var(--clay); }
.lng-btn--white:hover { background: var(--cream); color: var(--clay-dark); }
.lng-btn--danger   { background: #e74c3c; color: #fff; }
.lng-btn--danger:hover { background: #c0392b; color: #fff; }
.lng-btn--sm       { padding: 7px 16px; font-size: 13px; }
.lng-btn--lg       { padding: 17px 36px; font-size: 17px; }
.lng-btn--full     { width: 100%; }
.lng-btn:disabled  { opacity: .6; pointer-events: none; }

/* ── Forms ── */
.lng-form { display: flex; flex-direction: column; gap: 16px; }
.lng-form-group { display: flex; flex-direction: column; gap: 6px; }
.lng-form-group label { font-size: 13px; font-weight: 700; color: var(--ink-soft); }
.lng-form-group small { font-size: 12px; color: var(--ink-faint); }
.lng-form-group--right { text-align: right; font-size: 13px; }
.lng-form-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .lng-form-grid { grid-template-columns: 1fr 1fr; } }
.lng-form-group--full { grid-column: 1/-1; }
.lng-input, .lng-select, .lng-textarea {
  padding: 13px 16px; border-radius: var(--r-sm);
  border: 1.5px solid var(--border); background: #fff;
  font-family: var(--font-body); font-size: 14px; color: var(--ink);
  outline: none; transition: border .2s; width: 100%;
}
.lng-input:focus, .lng-select:focus, .lng-textarea:focus { border-color: var(--clay); }
.lng-textarea { resize: vertical; min-height: 100px; }

/* ── Section ── */
.lng-section { padding: 64px 24px; }
.lng-section--alt  { background: var(--cream-dark); }
.lng-section--dark { background: var(--ink); }
.lng-section__head { text-align: center; margin-bottom: 48px; }
.lng-section__head h2 { font-family: var(--font-head); font-size: clamp(26px,4vw,42px); font-weight: 900; letter-spacing: -.5px; margin-bottom: 10px; }
.lng-section--dark .lng-section__head h2 { color: #fff; }
.lng-section--dark .lng-section__head p { color: rgba(255,255,255,.55); }
.lng-section__head p { color: var(--ink-soft); font-size: 16px; }
.lng-page-head { padding: 40px 24px 24px; }
.lng-page-head h1 { font-family: var(--font-head); font-size: clamp(26px,4vw,40px); font-weight: 900; letter-spacing: -.5px; margin-bottom: 8px; }
.lng-page-head p { color: var(--ink-soft); font-size: 15px; }

/* ── HERO ── */
.lng-hero { padding: 48px 24px 56px; }
.lng-hero__inner { max-width: 1100px; margin: 0 auto; display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .lng-hero__inner { grid-template-columns: 1fr 1fr; } }
.lng-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--clay-muted); color: var(--clay); padding: 5px 14px; border-radius: var(--r-full); font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 20px; }
.lng-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--clay); animation: lngBlink 1.5s infinite; }
@keyframes lngBlink { 0%,100%{opacity:1} 50%{opacity:.3} }
.lng-hero__title { font-family: var(--font-head); font-size: clamp(36px,5vw,64px); font-weight: 900; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 16px; }
.lng-hero__title em { font-style: italic; color: var(--clay); }
.lng-hero__sub { font-size: 17px; line-height: 1.7; color: var(--ink-soft); margin-bottom: 32px; max-width: 440px; }
.lng-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
/* Mockup */
.lng-hero__card { background: #fff; border-radius: var(--r-lg); box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid var(--border); }
.lng-hero__card-head { background: var(--ink); padding: 14px 20px; display: flex; align-items: center; gap: 8px; }
.lng-hero__dot { width: 10px; height: 10px; border-radius: 50%; }
.lng-hero__dot.r { background: #FF5F57; } .lng-hero__dot.y { background: #FFBD2E; } .lng-hero__dot.g { background: #28CA41; }
.lng-hero__url { color: rgba(255,255,255,.45); font-size: 12px; margin-left: 8px; }
.lng-hero__card-body { padding: 24px; }
.lng-label { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.lng-lang-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lng-lang-chip { padding: 12px; border-radius: var(--r-sm); border: 2px solid var(--border); background: var(--cream); font-size: 13px; font-weight: 700; }
.lng-lang-chip.active { border-color: var(--clay); background: var(--clay-muted); color: var(--clay); }
.lng-lang-chip small { display: block; font-size: 11px; font-weight: 400; color: var(--ink-soft); margin-top: 3px; }
.lng-type-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lng-type-card { padding: 14px 12px; border-radius: var(--r-sm); font-size: 13px; font-weight: 700; color: #fff; }
.lng-type-card small { display: block; font-size: 11px; font-weight: 400; opacity: .8; margin-top: 4px; }
.lng-type-card.group { background: linear-gradient(135deg, var(--sage), #4c7d52); }
.lng-type-card.solo  { background: linear-gradient(135deg, var(--clay), var(--clay-dark)); }

/* ── STEPS ── */
.lng-steps { display: grid; gap: 2px; max-width: 900px; margin: 0 auto; }
@media (min-width: 640px) { .lng-steps { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .lng-steps { grid-template-columns: repeat(4,1fr); } }
.lng-step { background: #fff; padding: 32px 24px; border: 1px solid var(--border); transition: all .25s; }
.lng-step:hover { background: var(--ink); transform: translateY(-4px); box-shadow: var(--shadow-lg); z-index:1; }
.lng-step:hover h4, .lng-step:hover p { color: #fff; }
.lng-step:hover .lng-step__num { color: var(--clay); }
.lng-step:first-child { border-radius: var(--r-sm) 0 0 var(--r-sm); }
.lng-step:last-child  { border-radius: 0 var(--r-sm) var(--r-sm) 0; }
@media (max-width:899px) { .lng-step:first-child,.lng-step:last-child { border-radius: 0; } }
.lng-step__num { font-size: 11px; font-weight: 800; letter-spacing: 2px; color: var(--clay); text-transform: uppercase; margin-bottom: 16px; }
.lng-step__icon { font-size: 28px; margin-bottom: 14px; }
.lng-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.lng-step p  { font-size: 13px; color: var(--ink-soft); line-height: 1.6; }

/* ── TEACHERS GRID ── */
.lng-teachers-grid { display: grid; gap: 20px; max-width: 1000px; margin: 0 auto; }
@media (min-width: 540px) { .lng-teachers-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .lng-teachers-grid { grid-template-columns: repeat(3,1fr); } }
.lng-teacher-card { background: #fff; border-radius: var(--r-md); padding: 22px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all .25s; }
.lng-teacher-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--clay); }
.lng-tc__top { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.lng-tc__avatar { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.lng-tc__name { font-size: 15px; font-weight: 700; }
.lng-tc__loc  { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.lng-tc__stats { display: flex; gap: 16px; border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; font-size: 13px; color: var(--ink-soft); }
.lng-tc__stats strong { color: var(--ink); display: block; font-size: 15px; font-weight: 800; }

/* List layout */
.lng-teachers-grid--list { display: flex; flex-direction: column; gap: 16px; padding: 0 24px 40px; }
.lng-teacher-list-card { background: #fff; border-radius: var(--r-md); padding: 20px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; transition: all .2s; }
.lng-teacher-list-card:hover { box-shadow: var(--shadow-md); border-color: var(--clay); }
.lng-tlc__left  { display: flex; gap: 14px; flex: 1; min-width: 200px; }
.lng-tlc__avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.lng-tlc__info  { flex: 1; }
.lng-tlc__name  { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.lng-tlc__loc   { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.lng-tlc__stats { display: flex; gap: 16px; margin-top: 8px; font-size: 13px; }
.lng-tlc__right { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.lng-tlc__price { font-family: var(--font-head); font-size: 22px; font-weight: 900; color: var(--clay); }

/* ── Badges ── */
.lng-verified { display: inline-flex; align-items: center; gap: 4px; background: rgba(106,155,110,.12); color: var(--sage); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: var(--r-full); margin-bottom: 6px; }
.lng-verified--lg { font-size: 13px; padding: 5px 14px; margin-bottom: 10px; }
.lng-rating { color: var(--gold); font-size: 13px; margin-bottom: 8px; }
.lng-lang-badge { display: inline-block; background: var(--clay-muted); color: var(--clay); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: var(--r-full); margin-bottom: 10px; }

/* ── Pricing ── */
.lng-pricing-grid { max-width: 460px; margin: 0 auto; }
.lng-price-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg); padding: 36px 32px; }
.lng-price-badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 5px 14px; border-radius: var(--r-full); background: rgba(255,255,255,.1); color: rgba(255,255,255,.8); margin-bottom: 20px; }
.lng-price-amount { font-family: var(--font-head); font-size: 52px; font-weight: 900; color: #fff; line-height: 1; }
.lng-price-per  { font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 24px; }
.lng-price-features { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 10px; }
.lng-price-features li { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.8); font-size: 14px; }
.lng-price-features li::before { content: '✓'; color: var(--gold); font-weight: 800; flex-shrink: 0; }

/* ── CTA Strip ── */
.lng-cta-strip { background: var(--clay); padding: 64px 24px; text-align: center; }
.lng-cta-strip h2 { font-family: var(--font-head); font-size: clamp(26px,4vw,44px); font-weight: 900; color: #fff; letter-spacing: -.5px; margin-bottom: 12px; }
.lng-cta-strip p  { font-size: 16px; color: rgba(255,255,255,.8); margin-bottom: 32px; }
.lng-cta-strip__btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ── Auth ── */
.lng-auth { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.lng-auth__card { background: #fff; border-radius: var(--r-lg); padding: 40px 36px; max-width: 440px; width: 100%; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.lng-auth__logo { font-family: var(--font-head); font-size: 26px; font-weight: 900; color: var(--clay); margin-bottom: 6px; }
.lng-auth__logo span { color: var(--ink); }
.lng-auth__card h2 { font-family: var(--font-head); font-size: 26px; font-weight: 900; margin-bottom: 6px; }
.lng-auth__card p  { color: var(--ink-soft); font-size: 14px; margin-bottom: 24px; }
.lng-auth__foot { text-align: center; margin-top: 20px; font-size: 14px; color: var(--ink-soft); }
.lng-role-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; }
.lng-role-btn { padding: 12px 8px; border-radius: var(--r-sm); border: 2px solid var(--border); background: #fff; font-family: var(--font-body); font-size: 13px; font-weight: 700; color: var(--ink-soft); cursor: pointer; transition: all .2s; }
.lng-role-btn.active { border-color: var(--clay); background: var(--clay-muted); color: var(--clay); }

/* ── Booking ── */
.lng-booking { display: grid; gap: 32px; padding: 40px 24px; }
@media (min-width: 768px) { .lng-booking { grid-template-columns: 1fr 380px; max-width: 960px; margin: 0 auto; } }
.lng-booking h1 { font-family: var(--font-head); font-size: 28px; font-weight: 900; margin-bottom: 20px; }
.lng-booking__teacher { display: flex; gap: 14px; align-items: center; background: var(--cream); border-radius: var(--r-sm); padding: 14px; margin-bottom: 20px; }
.lng-booking__summary { background: #fff; border-radius: var(--r-md); padding: 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); position: sticky; top: 80px; }
.lng-booking__summary h3 { font-size: 17px; font-weight: 800; margin-bottom: 20px; }
.lng-summary-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.lng-summary-row--total { font-weight: 800; font-size: 16px; border-bottom: none; padding-top: 14px; }
.lng-booking__info { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--ink-soft); }

/* ── Payment ── */
.lng-payment { display: flex; justify-content: center; padding: 40px 24px; }
.lng-payment__card { background: #fff; border-radius: var(--r-lg); padding: 40px 36px; max-width: 500px; width: 100%; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.lng-payment__card h1 { font-family: var(--font-head); font-size: 26px; font-weight: 900; margin-bottom: 8px; }
.lng-payment__details { margin: 24px 0; }
.lng-payment__note { text-align: center; margin-top: 14px; font-size: 13px; color: var(--ink-faint); }

/* ── Payment confirm ── */
.lng-confirm { text-align: center; padding: 60px 24px; }
.lng-confirm__icon { width: 72px; height: 72px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 900; margin-bottom: 20px; }
.lng-confirm__icon--success { background: rgba(106,155,110,.15); color: var(--sage); }
.lng-confirm__icon--fail    { background: rgba(231,76,60,.12);  color: #e74c3c; }
.lng-confirm h1 { font-family: var(--font-head); font-size: clamp(26px,4vw,40px); font-weight: 900; margin-bottom: 12px; }
.lng-confirm p  { color: var(--ink-soft); margin-bottom: 24px; font-size: 16px; }
.lng-confirm__meet { background: var(--cream); border-radius: var(--r-md); padding: 28px; margin: 28px auto; max-width: 480px; }
.lng-confirm__meet-url { font-size: 13px; color: var(--ink-faint); margin-top: 10px; word-break: break-all; }
.lng-confirm .lng-btn { margin: 6px; }

/* ── Dashboard ── */
.lng-dash { padding: 32px 24px; max-width: 1000px; margin: 0 auto; }
.lng-dash__head { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; }
.lng-dash__head h1 { font-family: var(--font-head); font-size: clamp(22px,3vw,32px); font-weight: 900; margin-bottom: 4px; }
.lng-dash__head p  { color: var(--ink-soft); font-size: 14px; }
.lng-dash__stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-bottom: 32px; }
@media (min-width: 640px) { .lng-dash__stats { grid-template-columns: repeat(4,1fr); } }
.lng-stat-tile { background: #fff; border-radius: var(--r-sm); padding: 20px 16px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.lng-stat-val { font-family: var(--font-head); font-size: 26px; font-weight: 900; color: var(--ink); }
.lng-stat-lbl { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }
.lng-dash__section h3 { font-size: 18px; font-weight: 800; margin-bottom: 16px; }

/* ── Table ── */
.lng-table-wrap { overflow-x: auto; border-radius: var(--r-sm); border: 1px solid var(--border); }
.lng-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.lng-table th { background: var(--cream); padding: 12px 16px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); text-align: left; white-space: nowrap; }
.lng-table td { padding: 13px 16px; border-top: 1px solid var(--border); vertical-align: middle; }
.lng-table tr:hover td { background: var(--cream); }

/* ── Status badges ── */
.lng-status { display: inline-block; padding: 3px 10px; border-radius: var(--r-full); font-size: 11px; font-weight: 700; text-transform: capitalize; }
.lng-status--confirmed      { background: rgba(106,155,110,.12); color: var(--sage); }
.lng-status--pending_payment { background: rgba(212,168,67,.12);  color: var(--gold); }
.lng-status--cancelled      { background: rgba(231,76,60,.10);  color: #e74c3c; }
.lng-status--pending        { background: rgba(176,160,154,.12); color: var(--ink-faint); }

/* ── Profile ── */
.lng-profile { display: grid; gap: 32px; padding: 40px 24px; max-width: 960px; margin: 0 auto; }
@media (min-width: 768px) { .lng-profile { grid-template-columns: 300px 1fr; } }
.lng-profile__card { background: #fff; border-radius: var(--r-lg); padding: 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: center; position: sticky; top: 80px; }
.lng-profile__photo { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin: 0 auto 16px; }
.lng-profile__name { font-family: var(--font-head); font-size: 22px; font-weight: 900; margin-bottom: 8px; }
.lng-profile__loc  { font-size: 14px; color: var(--ink-soft); margin: 8px 0; }
.lng-profile__stats { display: flex; justify-content: center; gap: 24px; margin: 16px 0; }
.lng-profile__stats div { text-align: center; }
.lng-profile__stats strong { display: block; font-size: 20px; font-weight: 900; }
.lng-profile__stats span   { font-size: 11px; color: var(--ink-soft); }
.lng-profile__price { font-family: var(--font-head); font-size: 30px; font-weight: 900; color: var(--clay); margin: 16px 0 20px; }
.lng-profile__price span { font-family: var(--font-body); font-size: 14px; font-weight: 400; color: var(--ink-soft); }
.lng-profile__right {}
.lng-profile__section { background: #fff; border-radius: var(--r-md); padding: 24px; border: 1px solid var(--border); margin-bottom: 16px; }
.lng-profile__section h3 { font-size: 16px; font-weight: 800; margin-bottom: 14px; }

/* Availability */
.lng-avail-grid { display: flex; flex-direction: column; gap: 8px; }
.lng-avail-slot { display: flex; align-items: center; gap: 12px; background: var(--cream); border-radius: var(--r-sm); padding: 10px 14px; font-size: 14px; }
.lng-avail-day  { font-weight: 700; width: 36px; }
.lng-avail-time { color: var(--ink-soft); }
.lng-avail-row  { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.lng-avail-row .lng-select { width: 130px; flex-shrink: 0; }
.lng-avail-row .lng-input  { width: 110px; flex-shrink: 0; }

/* ── Teacher Setup Sections ── */
.lng-form-section { background: #fff; border-radius: var(--r-md); padding: 28px; border: 1px solid var(--border); max-width: 760px; margin: 0 auto; }
.lng-form-section h3 { font-size: 18px; font-weight: 800; margin-bottom: 20px; }
.lng-form--sections { max-width: 760px; margin: 0 auto; }

/* ── Filters ── */
.lng-filter-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; padding: 0 24px 24px; }
.lng-filter-group { display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 160px; }
.lng-filter-group label { font-size: 12px; font-weight: 700; color: var(--ink-soft); }

/* ── Messages ── */
.lng-message { padding: 12px 16px; border-radius: var(--r-sm); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.lng-message--success { background: rgba(106,155,110,.12); color: var(--sage); }
.lng-message--error   { background: rgba(231,76,60,.10);   color: #e74c3c; }

/* ── Misc ── */
.lng-empty { color: var(--ink-soft); font-size: 15px; text-align: center; padding: 32px 0; }
.lng-empty-state { text-align: center; padding: 48px 24px; }
.lng-empty-state p { color: var(--ink-soft); margin-bottom: 20px; }
.lng-loader { color: var(--ink-faint); font-size: 14px; padding: 40px; text-align: center; }

/* ── Admin CSS ── */
.lingua-admin-wrap .lingua-stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 16px; margin: 24px 0; }
.lingua-admin-wrap .stat-box { background: #fff; border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px 16px; text-align: center; }
.lingua-admin-wrap .stat-val { display: block; font-size: 28px; font-weight: 800; color: #E8633A; }
.lingua-admin-wrap .stat-lbl { font-size: 12px; color: #666; margin-top: 4px; display: block; }
.lingua-admin-wrap .status-badge { padding: 2px 10px; border-radius: 100px; font-size: 12px; font-weight: 700; }
.lingua-admin-wrap .status-confirmed { background:#d4edda;color:#155724; }
.lingua-admin-wrap .status-pending_payment { background:#fff3cd;color:#856404; }
.lingua-admin-wrap .status-cancelled { background:#f8d7da;color:#721c24; }

/* ── Spinner ── */
.lng-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--clay);
  border-radius: 50%;
  animation: lngSpin .7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes lngSpin { to { transform: rotate(360deg); } }

/* ── Toast notifications ── */
.lng-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--ink); color: #fff; padding: 13px 24px;
  border-radius: var(--r-full); font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow-lg); z-index: 9999; opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
  white-space: nowrap;
}
.lng-toast--show { transform: translateX(-50%) translateY(0); opacity: 1; }
.lng-toast--success { background: var(--sage); }
.lng-toast--error   { background: #e74c3c; }

/* ── Responsive navigation ── */
.lng-nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(251,247,241,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s;
}
.lng-nav--scrolled { box-shadow: var(--shadow-md); }
.lng-nav__inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.lng-nav__logo {
  font-family: var(--font-head); font-size: 22px; font-weight: 900;
  color: var(--clay); text-decoration: none; letter-spacing: -.5px;
}
.lng-nav__logo span { color: var(--ink); }
.lng-nav__links {
  display: none; flex-direction: column; gap: 0;
  position: absolute; top: 100%; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 8px 0; box-shadow: var(--shadow-md);
}
.lng-nav__links--open { display: flex; }
@media (min-width: 768px) {
  .lng-nav__links {
    display: flex; flex-direction: row; gap: 28px;
    position: static; background: none; border: none;
    padding: 0; box-shadow: none;
  }
}
.lng-nav__links a {
  text-decoration: none; color: var(--ink-soft); font-size: 14px; font-weight: 600;
  padding: 10px 24px; transition: color .2s;
}
@media (min-width: 768px) { .lng-nav__links a { padding: 0; } }
.lng-nav__links a:hover { color: var(--clay); }
.lng-nav__actions { display: flex; gap: 10px; align-items: center; }
.lng-mobile-menu-toggle {
  background: none; border: none; cursor: pointer;
  padding: 6px; font-size: 22px; display: flex; align-items: center;
}
@media (min-width: 768px) { .lng-mobile-menu-toggle { display: none; } }

/* ── Classes page ── */
.lng-classes { padding: 40px 24px; max-width: 900px; margin: 0 auto; }
.lng-classes__tabs { display: flex; background: var(--cream-dark); border-radius: var(--r-sm); padding: 4px; margin-bottom: 28px; max-width: 360px; }
.lng-tab-btn {
  flex: 1; padding: 10px; border-radius: 10px;
  background: none; border: none; font-family: var(--font-body);
  font-size: 13px; font-weight: 700; color: var(--ink-soft); cursor: pointer; transition: all .2s;
}
.lng-tab-btn.active { background: #fff; color: var(--clay); box-shadow: var(--shadow-sm); }
.lng-class-list { display: flex; flex-direction: column; gap: 14px; }
.lng-class-card {
  background: #fff; border-radius: var(--r-md);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all .2s;
}
.lng-class-card:hover { box-shadow: var(--shadow-md); border-color: var(--clay); }
.lng-class-card__top {
  padding: 18px 20px; display: flex; gap: 14px; align-items: flex-start;
}
.lng-class-card__bar { width: 5px; border-radius: 10px; flex-shrink: 0; align-self: stretch; }
.lng-class-card__body { flex: 1; }
.lng-class-card__title { font-size: 16px; font-weight: 800; margin-bottom: 4px; }
.lng-class-card__meta  { font-size: 13px; color: var(--ink-soft); }
.lng-class-card__bottom {
  padding: 12px 20px; background: var(--cream);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.lng-class-card__time { font-size: 12px; color: var(--ink-soft); }
.lng-live-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(106,155,110,.12); color: var(--sage);
  font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: var(--r-full);
}
.lng-live-badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--sage);
  animation: lngBlink 1.5s infinite;
}

/* ── Copy msg ── */
#lng-copy-msg { margin-top: 8px; }

/* ── Max-width wrapper ── */
.lng-section > * { max-width: 1100px; margin-left: auto; margin-right: auto; }