:root{--color-crimson: #C41E3A;--color-navy: #1B3A5F;--color-blue-mid: #2068A0;--color-blue-sky: #5BA3D9;--color-amber: #B45309;--color-amber-light: #F59E0B;--color-green: #15803D;--color-gray-100: #F8FAFC;--color-gray-300: #CBD5E1;--color-gray-500: #475569;--color-gray-900: #0F172A;--color-white: #FFFFFF;--color-surface: #FFFFFF;--color-navy-bg: #1B3A5F;--tint-amber: #FEF3C7;--tint-green: #DCFCE7;--tint-red: #FEE2E2;--tint-blue: #EEF4FA;--color-gold: #FCD34D;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--h1-size: 28px;--h1-line: 32px;--h1-weight: 700;--h2-size: 22px;--h2-line: 28px;--h2-weight: 600;--body-size: 16px;--body-line: 24px;--body-weight: 400;--caption-size: 13px;--caption-line: 18px;--caption-weight: 400;--price-size: 20px;--price-line: 24px;--price-weight: 700;--star-label-size: 14px;--star-label-weight: 600;--bp-mobile: 375px;--bp-tablet: 768px;--bp-laptop: 1024px;--bp-desktop: 1280px;--max-content-width: 1400px;--nav-height: 64px;--touch-target-min: 44px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family);font-size:var(--body-size);line-height:var(--body-line);font-weight:var(--body-weight);color:var(--color-gray-900);background-color:var(--color-surface);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=dark]{--color-crimson: #E25E74;--color-navy: #A9C6E8;--color-blue-mid: #6FAEDF;--color-blue-sky: #5BA3D9;--color-amber: #E8A845;--color-amber-light: #F4B942;--color-green: #55B97E;--color-gray-100: #182231;--color-gray-300: #31415A;--color-gray-500: #9DAFC6;--color-gray-900: #E8EEF6;--color-surface: #0F1826;--color-navy-bg: #152C47;--tint-amber: #3A2E14;--tint-green: #163020;--tint-red: #2E1216;--tint-blue: #16283A;--color-gold: #D9A93A}:root[data-theme=dark] .portal-brand img{filter:invert(1) hue-rotate(180deg)}body{background:var(--color-gray-100);color:var(--color-gray-900);min-height:100vh}.portal-shell{max-width:460px;margin:0 auto;padding:2.5rem 1rem 4rem}.portal-shell-wide{max-width:1000px}.portal-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem}.portal-brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none}.portal-brand img{height:40px;width:auto;display:block}.portal-brand-sub{color:var(--color-gray-500);font-weight:400;font-size:1.05rem;white-space:nowrap}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:transparent;border:1px solid var(--color-gray-300);color:var(--color-navy);cursor:pointer;flex-shrink:0}.theme-toggle:hover{background:var(--color-gray-100)}.theme-toggle:focus-visible{outline:2px solid var(--color-blue-sky);outline-offset:2px}.tt-icon{display:none}.theme-toggle[data-pref=system] .tt-icon-system,.theme-toggle[data-pref=light] .tt-icon-light,.theme-toggle[data-pref=dark] .tt-icon-dark{display:block}.theme-toggle:not([data-pref]) .tt-icon-system{display:block}.portal-footer{text-align:center;margin-top:2.5rem;font-size:.82rem}.portal-footer a{color:var(--color-gray-500);text-decoration:none}.portal-footer a:hover{text-decoration:underline}.card{background:var(--color-surface);border:1px solid var(--color-gray-300);border-radius:12px;padding:1.75rem}.btn-primary{display:block;width:100%;padding:.7rem 1rem;background:var(--color-navy-bg);color:#fff;border:none;border-radius:8px;font-family:var(--font-family);font-size:1rem;font-weight:600;cursor:pointer;min-height:var(--touch-target-min)}.btn-primary:hover{filter:brightness(1.12)}.btn-primary:disabled{opacity:.6;cursor:default}.input-text{display:block;width:100%;padding:.65rem .85rem;border:1px solid var(--color-gray-300);border-radius:8px;background:var(--color-surface);color:var(--color-gray-900);font-family:var(--font-family);font-size:1rem;min-height:var(--touch-target-min)}.input-text:focus{outline:2px solid var(--color-blue-mid);outline-offset:1px}.alert-error{background:var(--tint-red);color:var(--color-crimson);border:1px solid var(--color-crimson);border-radius:8px;padding:.65rem .85rem;font-size:.9rem}.alert-success{background:var(--tint-green);color:var(--color-gray-900);border:1px solid var(--color-green);border-radius:8px;padding:.65rem .85rem;font-size:.9rem;line-height:1.45}.alert-info{background:var(--tint-blue);color:var(--color-gray-900);border:1px solid var(--color-blue-mid);border-radius:8px;padding:.65rem .85rem;font-size:.9rem;line-height:1.45}.muted{color:var(--color-gray-500);font-size:var(--caption-size);line-height:var(--caption-line)}