@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #003087;--navy-dark: #002266;--navy-light: #0040A8;--ink: #081A40;--navy-2: #103A8F;--gold: #F2C94C;--gold-dark: #D4AC30;--gold-light: #F5D56F;--gold-bright: #FFDD74;--gold-deep: #D49A1F;--cream: #FFF7E6;--white: #FFFFFF;--gray-50: #F5F5F5;--gray-100: #E8E8E8;--gray-300: #BDBDBD;--gray-600: #757575;--text: #1A1A1A;--success: #34C759;--warning: #FF9500;--danger: #FF3B30;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-sm: 0 1px 4px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.12);--shadow-lg: 0 8px 32px rgba(0,0,0,.16);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display:"Plus Jakarta Sans", "Inter", -apple-system, sans-serif;--nav-height: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px);--grad-navy: linear-gradient(178deg, var(--ink) 0%, var(--navy) 55%, var(--navy-2) 100%);--grad-gold: linear-gradient(180deg, var(--gold-bright) 0%, var(--gold) 55%, var(--gold-deep) 100%)}@media(prefers-color-scheme:dark){:root{--white: #1C1C1E;--gray-50: #2C2C2E;--gray-100: #3A3A3C;--gray-300: #636366;--gray-600: #AEAEB2;--text: #F2F2F7;--shadow-sm: 0 1px 4px rgba(0,0,0,.3);--shadow-md: 0 4px 16px rgba(0,0,0,.4)}}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--gray-50);color:var(--text);line-height:1.5;min-height:100vh;overflow-x:hidden}@media(min-width:640px){body{background:radial-gradient(circle at 50% 0%,rgba(0,48,135,.06),transparent 60%),var(--gray-50)}}#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--white);position:relative;display:flex;flex-direction:column}@media(min-width:640px){#app{max-width:600px;margin:24px auto;min-height:calc(100vh - 48px);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}}h1{font-family:var(--font-display);font-size:1.75rem;font-weight:800;line-height:1.2;letter-spacing:-.02em}h2{font-family:var(--font-display);font-size:1.375rem;font-weight:700;line-height:1.3;letter-spacing:-.01em}h3{font-family:var(--font-display);font-size:1.125rem;font-weight:700;line-height:1.4;letter-spacing:-.01em}p{font-size:1rem;line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 24px;border-radius:var(--radius-md);font-family:var(--font-display);font-size:1rem;font-weight:700;letter-spacing:.1px;cursor:pointer;border:none;text-decoration:none;transition:transform .12s ease,opacity .1s,box-shadow .2s ease,filter .2s ease,background .15s;-webkit-tap-highlight-color:transparent;width:100%}.btn:active{transform:scale(.975)}.btn-primary{background:var(--grad-gold);color:var(--navy);box-shadow:inset 0 1px #ffffff73,0 8px 22px #f2c94c61,0 2px 6px #d49a1f66}.btn-secondary{background:var(--navy);color:var(--white);box-shadow:0 4px 14px #00308747}.btn-outline{background:transparent;color:var(--navy);border:2px solid var(--navy)}.btn-ghost{background:transparent;color:var(--gray-600);min-height:44px;width:auto;box-shadow:none}.btn-sm{min-height:44px;padding:0 16px;font-size:.875rem}.btn:disabled{opacity:.5;cursor:not-allowed}@media(hover:hover)and (pointer:fine){.btn-primary:hover:not(:disabled){filter:brightness(1.04);box-shadow:inset 0 1px #ffffff80,0 12px 30px #f2c94c80,0 2px 6px #d49a1f73}.btn-secondary:hover:not(:disabled){background:var(--navy-light)}.btn-outline:hover:not(:disabled){background:#0030870f}.btn-ghost:hover:not(:disabled){color:var(--navy)}}.card{background:var(--white);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100)}.card-gold{border:1.5px solid rgba(242,201,76,.6);background:linear-gradient(180deg,#f2c94c1a,#f2c94c05);box-shadow:0 6px 20px #f2c94c2e}.card-navy{background:var(--grad-navy);color:var(--white);border:none;box-shadow:0 10px 28px #08102852}.input{width:100%;min-height:56px;padding:0 16px;border:2px solid var(--gray-100);border-radius:var(--radius-md);font-size:1rem;font-family:var(--font);background:var(--white);color:var(--text);outline:none;transition:border-color .15s}.input:focus{border-color:var(--navy)}.input::placeholder{color:var(--gray-300)}label{font-size:.875rem;font-weight:600;color:var(--gray-600);margin-bottom:6px;display:block}select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--nav-height) + env(safe-area-inset-bottom,0px));background:var(--white);border-top:1px solid var(--gray-100);display:flex;align-items:flex-start;padding-top:8px;z-index:100;box-shadow:0 -4px 16px #0000000f}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;cursor:pointer;color:var(--gray-600);font-size:.65rem;font-weight:600;text-decoration:none;-webkit-tap-highlight-color:transparent;transition:color .15s;background:none;border:none}.nav-item.active{color:var(--navy)}.screen{flex:1;overflow-y:auto;padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom,0px) + 48px);-webkit-overflow-scrolling:touch}.screen-no-nav{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.header{background:var(--grad-navy);color:var(--white);padding:16px 20px 20px;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(242,201,76,.25)}.offline-banner{background:var(--warning);color:var(--white);font-size:.75rem;font-weight:600;text-align:center;padding:6px 16px}.ph-callout{background:#f2c94c1f;border-left:4px solid var(--gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:12px 16px;font-size:.875rem}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:100px;font-size:.75rem;font-weight:700}.badge-gold{background:var(--gold);color:var(--navy)}.badge-navy{background:var(--navy);color:var(--white)}.badge-free{background:var(--gray-100);color:var(--gray-600)}.badge-success{background:#34c75926;color:#1a7a35}.badge-danger{background:#ff3b301f;color:#c0392b}.option-btn{width:100%;min-height:60px;padding:14px 16px;border:2px solid var(--gray-100);border-radius:var(--radius-md);background:var(--white);color:var(--text);font-size:.9375rem;font-family:var(--font);text-align:left;cursor:pointer;transition:border-color .15s,background .15s;line-height:1.4;-webkit-tap-highlight-color:transparent}@media(hover:hover)and (pointer:fine){.option-btn:hover{border-color:var(--navy)}}.option-btn.selected{border-color:var(--navy);background:#0030870f}.option-btn.correct{border-color:var(--success);background:#34c7591a}.option-btn.wrong{border-color:var(--danger);background:#ff3b3014}.flashcard{perspective:1000px;cursor:pointer}.flashcard-inner{position:relative;width:100%;padding-top:60%;transform-style:preserve-3d;transition:transform .5s ease}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;padding:24px;text-align:center}.flashcard-front{background:var(--grad-navy);color:var(--cream);font-size:1.125rem;font-weight:600}.flashcard-back{background:var(--gold);color:var(--navy);transform:rotateY(180deg);font-size:1rem}.splash-bg{min-height:100vh;background:radial-gradient(120% 70% at 50% 38%,rgba(242,201,76,.16) 0%,rgba(242,201,76,.05) 32%,transparent 58%),var(--grad-navy);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 28px;text-align:center;color:var(--cream)}.logo-icon{width:96px;height:96px;background:#ffffff1f;border-radius:28px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;box-shadow:0 8px 32px #0003}.brand-mark{position:relative;width:168px;height:168px;display:grid;place-items:center;margin-bottom:30px}.brand-mark:before{content:"";position:absolute;inset:-40px;background:radial-gradient(circle,rgba(255,221,116,.3) 0%,rgba(242,201,76,.1) 40%,transparent 68%);animation:brand-breathe 5.5s ease-in-out infinite}.brand-rays{position:absolute;inset:0;width:168px;height:168px;animation:brand-spin 80s linear infinite}.brand-medallion{position:relative;width:92px;height:92px;border-radius:26px;background:linear-gradient(155deg,#15368c,#0a2360);display:grid;place-items:center;box-shadow:inset 0 1px #ffffff2e,inset 0 -8px 16px #00000040,0 10px 28px #08102880;border:1px solid rgba(242,201,76,.35)}.brand-wordmark{font-family:var(--font-display);font-weight:800;font-size:2.45rem;letter-spacing:-.02em;line-height:1;color:var(--cream);margin-bottom:14px}.brand-wordmark .ph{color:var(--gold)}.brand-tagline{font-weight:500;font-size:1.0625rem;color:#fff7e69e;letter-spacing:.2px;max-width:280px;line-height:1.45}.brand-trust{display:flex;align-items:center;gap:12px;font-weight:500;font-size:.78rem;color:#fff7e666;letter-spacing:.2px}.brand-trust .dot{width:3px;height:3px;border-radius:50%;background:#f2c94c8c}.brand-trust b{color:#fff7e69e;font-weight:600}.fade-up{opacity:0;transform:translateY(14px);animation:brand-rise .7s cubic-bezier(.2,.7,.2,1) forwards}.fade-up.d1{animation-delay:.15s}.fade-up.d2{animation-delay:.28s}.fade-up.d3{animation-delay:.42s}.fade-up.d4{animation-delay:.56s}@keyframes brand-rise{to{opacity:1;transform:translateY(0)}}@keyframes brand-breathe{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.08);opacity:1}}@keyframes brand-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;animation:none}.brand-mark:before,.brand-rays{animation:none}}.module-card{border-radius:var(--radius-md);padding:18px;background:var(--white);border:1px solid var(--gray-100);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:box-shadow .15s;text-decoration:none;color:inherit}@media(hover:hover)and (pointer:fine){.module-card:hover{box-shadow:var(--shadow-md)}}.module-icon{width:52px;height:52px;border-radius:14px;background:#00308714;display:flex;align-items:center;justify-content:center;flex-shrink:0}.section-header{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--gray-600);margin-bottom:12px}.divider{height:1px;background:var(--gray-100);margin:16px 0}.streak-chip{display:inline-flex;align-items:center;gap:6px;background:#f2c94c2e;color:var(--gold-bright);border:1px solid rgba(242,201,76,.3);border-radius:100px;padding:4px 12px;font-weight:700;font-size:.875rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-20{gap:20px}.p-20{padding:20px}.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.mb-24{margin-bottom:24px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.text-center{text-align:center}.text-gold{color:var(--gold)}.text-navy{color:var(--navy)}.text-muted{color:var(--gray-600)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.w-full{width:100%}.hidden{display:none!important}@media print{.bottom-nav,.btn-ghost,.offline-banner{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border:1px solid #ccc}}