:root{font-family:Arial,sans-serif;color:#172033;background:#f4f7fb}*{box-sizing:border-box}body{margin:0}.catalog{max-width:1180px;margin:auto;padding:30px 20px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px;border-radius:18px;color:#fff;background:linear-gradient(135deg,#0b3c78,#2563eb);box-shadow:0 10px 30px #183b671a}header p{font-size:12px;letter-spacing:2px;margin:0 0 7px}header h1{margin:0 0 6px}.back,.login{color:#fff;text-decoration:none;font-weight:700}.login{padding:10px 16px;border:1px solid #ffffff80;border-radius:8px}.term{margin-top:28px}.term h2{color:#0b3c78;border-bottom:2px solid #dbe6f5;padding-bottom:10px}.group-title{margin:20px 0 10px;font-size:18px}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:15px}.lesson-card{display:flex;flex-direction:column;gap:9px;background:#fff;padding:18px;border:1px solid #dce3ed;border-radius:12px;box-shadow:0 4px 14px #1e3a5f0d}.lesson-card h3,.lesson-card p{margin:0}.lesson-card p{color:#64748b;line-height:1.5}.price{font-weight:800;color:#0b3c78}.lesson-card button,.lesson-card a,.primary,.whatsapp{border:0;border-radius:8px;padding:10px 13px;text-align:center;text-decoration:none;font-weight:700;cursor:pointer}.primary,.lesson-card .primary{color:#fff;background:#2563eb}.free{color:#166534;background:#dcfce7}.locked{color:#92400e;background:#fef3c7}.empty{color:#64748b;background:#fff;padding:18px;border-radius:10px}.modal{display:none;position:fixed;inset:0;background:#0f172a99;align-items:center;justify-content:center;padding:20px;z-index:50}.modal.open{display:flex}.modal-card{position:relative;width:min(460px,100%);display:grid;gap:14px;background:#fff;padding:25px;border-radius:14px}.modal-card label{display:grid;gap:7px;font-weight:700}.modal-card input,.modal-card select{padding:11px;border:1px solid #cbd5e1;border-radius:7px}.close{position:absolute;right:12px;top:10px;border:0;background:none;font-size:26px;cursor:pointer}.whatsapp{color:#fff;background:#16a34a}#toast{display:none;position:fixed;right:20px;bottom:20px;padding:12px 18px;border-radius:8px;color:#fff;background:#dc2626;z-index:60}@media(max-width:650px){header{align-items:flex-start;flex-direction:column}.back{order:2}}

/* Grade learning hub */
:root{--grade-blue:#2563eb;--grade-green:#16a34a;--grade-amber:#f59e0b;--grade-purple:#7c3aed;--grade-cyan:#06b6d4;--grade-navy:#0f172a;--grade-text:#334155;--grade-muted:#64748b;--grade-border:#dbe4ef;--grade-surface:#fff;--grade-bg:#f1f5f9}
body{min-width:320px;background:radial-gradient(circle at 5% 0,rgba(37,99,235,.12),transparent 28rem),var(--grade-bg);color:var(--grade-navy)}
.catalog{width:min(1240px,calc(100% - 32px));max-width:none;margin:auto;padding:22px 0 60px}
.grade-topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px;padding:10px 4px}
.grade-brand,.home-link{display:inline-flex;align-items:center;gap:10px;color:var(--grade-navy);font-weight:800;text-decoration:none}
.grade-brand>span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--grade-blue),var(--grade-cyan));box-shadow:0 8px 18px rgba(37,99,235,.2)}
.home-link{padding:10px 14px;border:1px solid #cbd5e1;border-radius:12px;background:rgba(255,255,255,.82);box-shadow:0 4px 12px rgba(15,23,42,.05)}
.home-link:hover{border-color:#93c5fd;color:#1d4ed8}
.grade-hero{position:relative;isolation:isolate;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 230px;align-items:center;gap:34px;min-height:360px;padding:clamp(34px,6vw,68px)!important;border:1px solid rgba(255,255,255,.2);border-radius:28px;color:#fff;background:linear-gradient(135deg,#0f172a 0,#1d4ed8 62%,#06b6d4 130%);box-shadow:0 24px 55px rgba(30,64,175,.24)}
.grade-hero::before,.grade-hero::after{content:"";position:absolute;z-index:-1;border-radius:50%;pointer-events:none}
.grade-hero::before{width:340px;height:340px;right:-120px;top:-150px;border:55px solid rgba(255,255,255,.08)}
.grade-hero::after{width:210px;height:210px;left:42%;bottom:-175px;background:rgba(124,58,237,.27);filter:blur(2px)}
.grade-hero-copy{position:relative;z-index:2;max-width:760px}
.grade-eyebrow,.section-heading>span,.lesson-browser-copy>span,.term-heading>span,.card-kicker{display:block;font-size:.73rem;font-weight:900;letter-spacing:.15em;text-transform:uppercase}
.grade-eyebrow{margin-bottom:12px;color:#a5f3fc}
.grade-hero h1{margin:0 0 16px;font-size:clamp(2.35rem,6vw,4.8rem);line-height:1;letter-spacing:-.055em;color:#fff}
.grade-hero p{max-width:720px;margin:0;color:#dbeafe;font-size:clamp(1rem,2vw,1.13rem);line-height:1.8}
.grade-hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.grade-hero-tags span{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#fff;background:rgba(255,255,255,.1);font-size:.8rem;font-weight:800;backdrop-filter:blur(8px)}
.grade-hero-visual{position:relative;z-index:2;display:grid;place-items:center;align-content:center;justify-self:end;width:210px;aspect-ratio:1;border:1px solid rgba(255,255,255,.2);border-radius:38px;background:rgba(255,255,255,.11);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 22px 35px rgba(15,23,42,.2);backdrop-filter:blur(14px)}
.grade-icon-orbit{display:grid;place-items:center;width:68px;height:68px;margin-bottom:10px;border-radius:21px;color:#1d4ed8;background:#fff;font-size:1.8rem;box-shadow:0 12px 25px rgba(15,23,42,.2)}
.grade-hero-visual>span{font-size:.72rem;font-weight:900;letter-spacing:.22em;color:#bae6fd}
.grade-hero-visual>strong{font-size:4.5rem;line-height:1;color:#fff;letter-spacing:-.08em}
.grade-hero .theme-grade-image{position:absolute;z-index:3;right:22px;bottom:0;width:min(270px,35%);height:92%;object-fit:contain;object-position:right bottom;filter:drop-shadow(0 18px 22px rgba(15,23,42,.28))}
.grade-hero.has-theme-grade-image .grade-hero-visual{display:none}
.grade-access-section{padding:clamp(58px,7vw,84px) 0 28px}
.section-heading{max-width:720px;margin:0 auto 30px;text-align:center}
.section-heading>span,.lesson-browser-copy>span{margin-bottom:7px;color:var(--grade-blue)}
.section-heading h2,.lesson-browser-copy h2{margin:0 0 9px;font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.035em;color:var(--grade-navy)}
.section-heading p,.lesson-browser-copy p{margin:0;color:var(--grade-muted);line-height:1.7}
.grade-access-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grade-access-card{display:flex;flex-direction:column;min-width:0;padding:26px;border:1px solid var(--grade-border);border-radius:22px;background:rgba(255,255,255,.9);box-shadow:0 12px 32px rgba(15,23,42,.08);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.grade-access-card:hover{transform:translateY(-4px);border-color:#93c5fd;box-shadow:0 20px 42px rgba(37,99,235,.13)}
.access-icon{display:grid;place-items:center;width:55px;height:55px;margin-bottom:20px;border-radius:17px;color:#fff;background:linear-gradient(135deg,var(--grade-blue),var(--grade-purple));font-size:1.3rem;box-shadow:0 10px 22px rgba(37,99,235,.22)}
.online-card .access-icon{background:linear-gradient(135deg,var(--grade-green),var(--grade-cyan))}
.hall-card .access-icon{background:linear-gradient(135deg,var(--grade-amber),#f97316)}
.card-kicker{margin-bottom:6px;color:var(--grade-blue)}
.online-card .card-kicker{color:#15803d}.hall-card .card-kicker{color:#b45309}
.grade-access-card h3{margin:0 0 10px;color:var(--grade-navy);font-size:1.25rem}
.grade-access-card p{margin:0 0 22px;color:var(--grade-muted);line-height:1.7}
.grade-button{display:inline-flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;margin-top:auto;padding:12px 15px;border-radius:12px;color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 18px rgba(37,99,235,.17)}
.grade-button:hover{transform:translateY(-2px)}
.primary-button{background:linear-gradient(135deg,var(--grade-blue),#1d4ed8)}.success-button{background:linear-gradient(135deg,var(--grade-green),#059669)}.warning-button{background:linear-gradient(135deg,var(--grade-amber),#ea580c)}
.lesson-browser-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:22px;margin-top:55px;padding:28px;border:1px solid var(--grade-border);border-radius:22px;background:rgba(255,255,255,.9);box-shadow:0 12px 34px rgba(15,23,42,.07)}
.lesson-summary{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}
.lesson-summary span{min-width:86px;padding:10px 12px;border-radius:12px;color:var(--grade-muted);background:#eff6ff;text-align:center;font-size:.75rem;font-weight:700}
.lesson-summary strong{display:block;color:var(--grade-blue);font-size:1.25rem}
.term-filters{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:9px;padding-top:19px;border-top:1px solid #e2e8f0}
.term-filter{min-height:42px;padding:9px 16px;border:1px solid #cbd5e1;border-radius:999px;color:var(--grade-text);background:#fff;font-weight:800;cursor:pointer}
.term-filter:hover,.term-filter.is-active{border-color:var(--grade-blue);color:#fff;background:var(--grade-blue);box-shadow:0 7px 16px rgba(37,99,235,.2)}
.term-sections{display:grid;gap:28px;margin-top:26px}
.term-sections>.term{margin:0;padding:clamp(20px,4vw,30px);border-radius:24px!important;background:rgba(255,255,255,.9)!important;box-shadow:0 12px 34px rgba(15,23,42,.07)!important}
.term-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:5px 20px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid #dbe4ef}
.term-heading>span{grid-column:1/-1;color:var(--grade-purple)}
.term-heading h2{margin:0;padding:0;border:0;color:var(--grade-navy);font-size:clamp(1.45rem,3vw,2rem)}
.term-heading p{margin:0;color:var(--grade-muted);font-size:.88rem}
.lesson-group+.lesson-group{margin-top:30px;padding-top:28px;border-top:1px dashed #cbd5e1}
.lesson-group-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}
.lesson-group-heading>div{display:flex;align-items:center;gap:11px}.lesson-group-heading h3{margin:0;font-size:1.13rem;color:var(--grade-navy)}
.group-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--grade-green),var(--grade-cyan))}
.lesson-group+.lesson-group .group-icon{background:linear-gradient(135deg,var(--grade-purple),var(--grade-blue))}
.group-count{display:grid;place-items:center;min-width:34px;height:34px;padding:0 8px;border-radius:999px;color:#1d4ed8;background:#dbeafe;font-weight:900}
.lesson-grid{grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:17px}
.lesson-card{display:flex;flex-direction:column;min-width:0;gap:12px;padding:20px!important;border-radius:17px!important;box-shadow:0 7px 22px rgba(15,23,42,.07)!important}
.lesson-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(37,99,235,.12)!important}
.lesson-card-top{display:flex;align-items:center;justify-content:space-between;gap:9px}
.access-badge,.term-badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:.7rem;font-weight:900;letter-spacing:.045em;text-transform:uppercase}
.free-badge{color:#166534;background:#dcfce7}.paid-badge{color:#5b21b6;background:#ede9fe}.term-badge{color:#1e40af;background:#dbeafe}
.lesson-card h3{margin:0;color:var(--grade-navy);font-size:1.14rem;line-height:1.4}
.lesson-meta{display:flex;flex-wrap:wrap;gap:8px 13px;color:#475569;font-size:.77rem;font-weight:700}
.lesson-meta span,.lesson-resources span{display:inline-flex;align-items:center;gap:5px}
.lesson-meta i{color:var(--grade-blue)}
.lesson-card>p{flex:1;margin:0;color:var(--grade-muted);line-height:1.65}
.lesson-resources{display:flex;flex-wrap:wrap;gap:7px;min-height:28px}
.lesson-resources span{padding:5px 8px;border-radius:8px;color:#155e75;background:#cffafe;font-size:.72rem;font-weight:800}.lesson-resources .resource-pending{color:#64748b;background:#f1f5f9}
.lesson-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:13px;border-top:1px solid #e2e8f0}
.price{flex:0 0 auto;color:#5b21b6}.free-price{color:#15803d}
.lesson-action,.lesson-state{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:9px 12px;border:0;border-radius:10px;text-align:center;text-decoration:none;font-size:.78rem;font-weight:900}
.lesson-action.primary{color:#fff;background:linear-gradient(135deg,var(--grade-blue),#1d4ed8);box-shadow:0 7px 15px rgba(37,99,235,.18)}
.lesson-action:hover{transform:translateY(-2px)}
.free-state{color:#166534;background:#dcfce7}.pending-state{color:#92400e;background:#fef3c7}

/* Distinct paid and free lesson-card themes without changing renderer hooks. */
.lesson-card:has(.paid-badge),.lesson-card:has(.free-badge){position:relative;overflow:hidden;border-width:1px!important;border-style:solid!important;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.lesson-card:has(.paid-badge)::before,.lesson-card:has(.free-badge)::before{position:absolute;inset:0 0 auto;height:5px;content:""}
.lesson-card:has(.paid-badge){border-color:#c4b5fd!important;background:linear-gradient(160deg,#faf8ff 0%,#fff 58%)!important;box-shadow:0 8px 24px rgba(91,33,182,.1)!important}
.lesson-card:has(.paid-badge)::before{background:linear-gradient(90deg,#7c3aed,#4f46e5)}
.lesson-card:has(.paid-badge):hover{border-color:#8b5cf6!important;box-shadow:0 16px 34px rgba(91,33,182,.18)!important}
.lesson-card:has(.paid-badge) .paid-badge{border:1px solid #c4b5fd;color:#5b21b6;background:#ede9fe;box-shadow:0 3px 9px rgba(91,33,182,.1)}
.lesson-card:has(.paid-badge) .term-badge{color:#4338ca;background:#eef2ff}
.lesson-card:has(.paid-badge) .lesson-meta i{color:#7c3aed}
.lesson-card:has(.paid-badge) .lesson-card-footer{border-top-color:#ddd6fe}
.lesson-card:has(.paid-badge) .price{padding:7px 10px;border:1px solid #ddd6fe;border-radius:10px;color:#5b21b6;background:#f5f3ff;font-size:1.08rem;box-shadow:0 3px 10px rgba(91,33,182,.08)}
.lesson-card:has(.paid-badge) .lesson-action.primary{background:linear-gradient(135deg,#7c3aed,#4f46e5);box-shadow:0 8px 17px rgba(91,33,182,.25)}
.lesson-card:has(.paid-badge) .pending-state{border:1px solid #ddd6fe;color:#6d28d9;background:#f5f3ff}
.lesson-card:has(.free-badge){border-color:#a7f3d0!important;background:linear-gradient(160deg,#f0fdf8 0%,#fff 58%)!important;box-shadow:0 8px 24px rgba(5,150,105,.1)!important}
.lesson-card:has(.free-badge)::before{background:linear-gradient(90deg,#16a34a,#10b981)}
.lesson-card:has(.free-badge):hover{border-color:#34d399!important;box-shadow:0 16px 34px rgba(5,150,105,.17)!important}
.lesson-card:has(.free-badge) .free-badge{border:1px solid #86efac;color:#166534;background:#dcfce7;box-shadow:0 3px 9px rgba(5,150,105,.1)}
.lesson-card:has(.free-badge) .term-badge{color:#047857;background:#d1fae5}
.lesson-card:has(.free-badge) .lesson-meta i{color:#059669}
.lesson-card:has(.free-badge) .lesson-resources span{color:#047857;background:#d1fae5}
.lesson-card:has(.free-badge) .lesson-resources .resource-pending{color:#166534;background:#dcfce7}
.lesson-card:has(.free-badge) .lesson-card-footer{margin:0 -8px -8px;padding:13px 8px 8px;border-top-color:#a7f3d0;border-radius:0 0 12px 12px;background:linear-gradient(180deg,rgba(236,253,245,.35),#ecfdf5)}
.lesson-card:has(.free-badge) .free-price{padding:7px 10px;border:1px solid #a7f3d0;border-radius:10px;color:#166534;background:#dcfce7;font-size:1rem}
.lesson-card:has(.free-badge) .lesson-action.primary{background:linear-gradient(135deg,#16a34a,#059669);box-shadow:0 8px 17px rgba(5,150,105,.24)}
.lesson-card:has(.free-badge) .free-state{border:1px solid #86efac;color:#166534;background:#dcfce7}

.empty{margin:0;padding:18px;border:1px dashed #cbd5e1;color:var(--grade-muted);background:#f8fafc;text-align:center}.load-error{padding:30px}
.lesson-loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:150px;color:var(--grade-blue);font-weight:800}
.grade-footer-action{display:flex;justify-content:center;margin-top:32px}.grade-footer-action a{display:inline-flex;align-items:center;gap:9px;padding:12px 17px;border:1px solid #cbd5e1;border-radius:12px;color:var(--grade-navy);background:#fff;text-decoration:none;font-weight:800;box-shadow:0 6px 16px rgba(15,23,42,.06)}
.modal-card h2{margin:0;color:var(--grade-navy)}.modal-card p{margin:0;color:var(--grade-muted)}.modal-card strong{color:var(--grade-purple);font-size:1.2rem}.modal-card select,.modal-card input{width:100%}.modal-card #submitPurchase:disabled{cursor:wait;opacity:.65}
.bank-payment-details{min-width:0;padding:14px;border:1px solid #bfdbfe;border-radius:9px;background:#eff6ff;overflow-wrap:anywhere}.bank-payment-details h3{margin:0 0 10px;color:#1d4ed8;font-size:16px}.bank-account-options{display:grid;gap:10px}.bank-account-option{min-width:0;padding:12px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.bank-account-option.selected{border-color:#2563eb;box-shadow:0 0 0 2px #bfdbfe}.bank-account-selector{display:flex!important;align-items:center;flex-wrap:wrap;gap:8px!important;margin-bottom:9px}.bank-account-selector input{width:auto!important}.recommended-bank{padding:3px 7px;border-radius:999px;color:#1d4ed8;background:#dbeafe;font-size:11px;font-weight:700}.bank-payment-details p{display:grid;grid-template-columns:minmax(100px,.8fr) minmax(0,1.2fr);gap:8px;margin:7px 0}.bank-payment-details p span{color:#64748b}.bank-payment-details p strong{min-width:0;color:#172033;font-size:1rem;user-select:text}.bank-payment-details .bank-details-unavailable{display:block;color:#92400e}.copy-account-number{width:100%;min-height:42px;margin-top:8px;border:0;border-radius:7px;color:#fff;background:#1d4ed8;font-weight:700;cursor:pointer}@media(max-width:480px){.bank-payment-details p{grid-template-columns:1fr;gap:2px}}

@media(max-width:900px){.grade-access-cards{grid-template-columns:1fr 1fr}.hall-card{grid-column:1/-1}.grade-hero{grid-template-columns:minmax(0,1fr) 180px}.grade-hero-visual{width:175px}.grade-hero .theme-grade-image{opacity:.28}.lesson-browser-header{grid-template-columns:1fr}.lesson-summary{justify-content:flex-start}}
@media(max-width:650px){.catalog{width:min(100% - 20px,1240px);padding-top:12px}.grade-topbar{align-items:flex-start}.grade-brand strong{font-size:.9rem}.home-link{font-size:.8rem}.grade-hero{grid-template-columns:1fr;min-height:auto;padding:30px 24px!important;border-radius:21px}.grade-hero-visual{justify-self:start;width:130px;border-radius:25px}.grade-icon-orbit{width:48px;height:48px;border-radius:14px;font-size:1.25rem}.grade-hero-visual>strong{font-size:3rem}.grade-hero .theme-grade-image{right:5px;width:48%;height:54%;opacity:.3}.grade-access-cards{grid-template-columns:1fr}.hall-card{grid-column:auto}.grade-access-card{padding:22px}.lesson-browser-header{margin-top:38px;padding:21px}.lesson-summary{display:grid;grid-template-columns:repeat(3,1fr);width:100%}.lesson-summary span{min-width:0}.term-filters{display:grid;grid-template-columns:1fr 1fr}.term-filter{padding-inline:8px}.term-heading{grid-template-columns:1fr}.term-heading p{justify-self:start}.lesson-card-footer{align-items:stretch;flex-direction:column}.lesson-action,.lesson-state{width:100%}.price{text-align:left}}
@media(max-width:380px){.grade-topbar{align-items:stretch;flex-direction:column}.home-link{justify-content:center}.grade-hero h1{font-size:2.15rem}.grade-hero-tags{align-items:stretch;flex-direction:column}.grade-hero-tags span{justify-content:center}.lesson-summary{grid-template-columns:1fr}.term-filters{grid-template-columns:1fr}.lesson-grid{grid-template-columns:1fr}}

/* Keep grade-page text readable when an Admin Settings theme is active. */
:root[data-theme-ready="true"] .grade-hero :is(h1,p),
:root[data-theme-ready="true"] .grade-hero-tags span,
:root[data-theme-ready="true"] .grade-hero-visual strong{color:#fff!important}
:root[data-theme-ready="true"] .grade-eyebrow,
:root[data-theme-ready="true"] .grade-hero-visual>span{color:#a5f3fc!important}
:root[data-theme-ready="true"] :is(.grade-button,.grade-button:visited,.grade-button:hover,.grade-button:focus-visible),
:root[data-theme-ready="true"] :is(.lesson-action.primary,.lesson-action.primary:visited,.lesson-action.primary:hover,.lesson-action.primary:focus-visible),
:root[data-theme-ready="true"] .term-filter.is-active{color:#fff!important}

.modal-card{width:min(720px,100%);max-height:calc(100dvh - 30px);overflow-y:auto}.payment-method-cards{min-width:0;margin:0;padding:0;border:0}.payment-method-cards legend{margin-bottom:8px;font-weight:800}.payment-method-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.payment-method-card{display:grid!important;grid-template-columns:auto minmax(0,1fr)!important;align-items:start;gap:9px!important;min-width:0;padding:14px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;cursor:pointer}.payment-method-card:hover{border-color:#93c5fd}.payment-method-card.selected{border-color:#2563eb;background:#eff6ff;box-shadow:0 0 0 2px #bfdbfe}.payment-method-card input{width:auto!important;margin:3px 0 0;padding:0}.payment-method-card strong,.payment-method-card small{display:block}.payment-method-card small{margin-top:5px;color:#64748b;font-weight:400;line-height:1.45}.payment-slip-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.payment-slip-action,.payment-camera-actions button{min-height:42px;border:1px solid #93c5fd;border-radius:9px;color:#1d4ed8;background:#eff6ff;font-weight:800;cursor:pointer}.payment-slip-action{display:flex;align-items:center;justify-content:center;gap:8px}.payment-camera-panel{grid-column:1/-1;padding:10px;border:1px solid #bfdbfe;border-radius:11px;background:#0f172a}.payment-camera-panel[hidden]{display:none}.payment-camera-panel video{display:block;width:100%;max-height:52vh;border-radius:8px;background:#000;object-fit:contain}.payment-camera-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}.payment-camera-actions .payment-camera-capture{color:#fff;background:#2563eb}.payment-camera-actions .payment-camera-cancel{color:#334155;background:#fff}.payment-slip-preview{grid-column:1/-1;display:block;width:min(100%,360px);max-height:280px;margin:auto;border:1px solid #cbd5e1;border-radius:10px;background:#f8fafc;object-fit:contain}.payment-slip-preview[hidden]{display:none}.whatsapp[hidden],#submitPurchase[hidden]{display:none}
@media(max-width:680px){.payment-method-card-grid{grid-template-columns:1fr}.payment-method-card{min-height:74px}.modal-card{padding:22px 16px}.payment-slip-picker,.payment-camera-actions{grid-template-columns:1fr}}

/* Sinhala readability and touch/overflow safeguards for lesson pages. */
[lang="si"]{line-height:1.75;overflow-wrap:anywhere}
.catalog .lesson-action,.catalog .lesson-state,.payment-slip-action,.payment-camera-actions button,.copy-account-number,.modal-card .primary,.modal-card .whatsapp{min-height:44px}
.lesson-card,.lesson-card>*{min-width:0;max-width:100%}.lesson-card h3,.lesson-card>p,.lesson-meta,.lesson-resources{overflow-wrap:anywhere}.lesson-action:disabled,.modal-card button:disabled{cursor:not-allowed;box-shadow:none;opacity:.62}
@media(max-width:650px){.catalog{overflow-x:hidden}.lesson-card-top{align-items:flex-start;flex-wrap:wrap}.lesson-browser-copy,.lesson-summary,.term-sections,.term{min-width:0;max-width:100%}}