:root{--color-brand-primary:#2563eb;--color-brand-primary-hover:#1d4ed8;--color-neutral-50:#f8fafc;--color-neutral-100:#f1f5f9;--color-neutral-200:#e2e8f0;--color-neutral-300:#cbd5e1;--color-neutral-400:#94a3b8;--color-neutral-500:#64748b;--color-neutral-600:#475569;--color-neutral-700:#334155;--color-neutral-800:#1e293b;--color-neutral-900:#0f172a;--color-success:#16a34a;--color-warning:#d97706;--color-error:#dc2626;--color-info:#0284c7;--color-bg:#fff;--color-bg-subtle:var(--color-neutral-50);--color-bg-muted:var(--color-neutral-100);--color-surface:var(--color-bg);--color-border:var(--color-neutral-200);--color-text-primary:var(--color-neutral-900);--color-text-secondary:var(--color-neutral-600);--color-text-muted:var(--color-neutral-400);--color-text-on-brand:#fff;--font-family-sans:"Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-family-mono:"JetBrains Mono", ui-monospace, "Cascadia Code", "Fira Code", "Courier New", monospace;--font-size-sm:.8rem;--font-size-base:1rem;--font-size-md:1.25rem;--font-size-lg:1.563rem;--font-size-xl:1.953rem;--font-size-2xl:2.441rem;--font-size-3xl:3.052rem;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-snug:1.375;--line-height-normal:1.5;--line-height-relaxed:1.625;--line-height-loose:2;--letter-spacing-tight:-.025em;--letter-spacing-normal:0;--letter-spacing-wide:.025em;--letter-spacing-wider:.05em;--letter-spacing-widest:.1em;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-sm:.25rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--transition-fast:.1s ease;--transition-base:.2s ease;--transition-slow:.3s ease;--max-width-content:72rem;--max-width-prose:65ch}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{min-width:400px;font-family:var(--font-family-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:auto}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-sans);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary)}a{color:var(--color-brand-primary);text-decoration:none}img,svg{max-width:100%;display:block}ul,ol{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);display:inline-flex}.btn--primary{background-color:var(--color-brand-primary);color:var(--color-text-on-brand);box-shadow:var(--shadow-sm)}.btn--primary:hover{background-color:var(--color-brand-primary-hover);box-shadow:var(--shadow-md)}.btn--ghost{color:var(--color-text-secondary);border:1px solid var(--color-border);background-color:#0000}.btn--ghost:hover{background-color:var(--color-bg-muted);color:var(--color-text-primary)}.btn--outline-inverse{color:var(--color-text-on-brand);background-color:#0000;border:1px solid #ffffff80}.btn--outline-inverse:hover{background-color:#ffffff1a}@media (width<=768px){.btn{width:100%}}.footer{padding:var(--space-6) var(--space-8);border-top:1px solid var(--color-border);background-color:var(--color-surface)}.footer__inner{max-width:var(--max-width-content);justify-content:space-between;align-items:center;width:100%;margin-inline:auto;display:flex}.footer__logo{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-brand-primary);letter-spacing:var(--letter-spacing-tight)}.footer__copy{font-size:var(--font-size-sm);color:var(--color-text-muted)}@media (width<=768px){.footer__inner{gap:var(--space-4);text-align:center;flex-direction:column}}.header{z-index:10;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0}.header__inner{max-width:var(--max-width-content);padding:var(--space-4) var(--space-8);justify-content:space-between;align-items:center;margin-inline:auto;display:flex}.header__logo{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-brand-primary);letter-spacing:var(--letter-spacing-tight)}.header__logo:hover{opacity:.85}.header__signin{font-size:var(--font-size-sm);padding:var(--space-2) var(--space-4)}.header__profile-btn{border-radius:var(--radius-full);width:2.25rem;height:2.25rem;color:var(--color-text-secondary);transition:background-color var(--transition-fast);justify-content:center;align-items:center;display:flex}.header__profile-btn:hover{background-color:var(--color-bg-muted)}.header__profile-icon{width:1.25rem;height:1.25rem}.header__dropdown-wrapper{position:relative}.header__dropdown{top:calc(100% + var(--space-2));background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:11rem;box-shadow:var(--shadow-lg);z-index:20;padding:var(--space-1) 0;visibility:hidden;opacity:0;transition:opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);position:absolute;right:0;transform:translateY(-4px)}.header__dropdown[data-open=true]{visibility:visible;opacity:1;transform:translateY(0)}.header__dropdown-item{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);color:var(--color-text-primary);text-align:left;cursor:pointer;transition:background-color var(--transition-fast);background:0 0;border:none;display:block}.header__dropdown-item:hover{background-color:var(--color-bg-muted)}.header__dropdown-item--danger{color:var(--color-error)}.header__dropdown-item--danger:hover{background-color:color-mix(in srgb, var(--color-error) 8%, transparent)}.header__dropdown-divider{border:none;border-top:1px solid var(--color-border);margin:var(--space-1) 0}.app{flex-direction:column;min-height:100vh;display:flex}.app__content{flex:1}.home-page__hero{text-align:center;padding:var(--space-24) var(--space-8);background-color:var(--color-bg-subtle);align-items:center;gap:var(--space-6);flex-direction:column;display:flex}.home-page__hero-eyebrow{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-widest);text-transform:uppercase;color:var(--color-brand-primary)}.home-page__hero-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-tight);color:var(--color-text-primary);max-width:var(--max-width-prose)}.home-page__hero-title span{color:var(--color-brand-primary)}.home-page__hero-subtitle{font-size:var(--font-size-md);line-height:var(--line-height-relaxed);color:var(--color-text-secondary);max-width:52ch}.home-page__hero-actions{align-items:center;gap:var(--space-4);margin-top:var(--space-4);display:flex}.home-page__features{padding:var(--space-20) var(--space-8);align-items:center;gap:var(--space-12);max-width:var(--max-width-content);flex-direction:column;width:100%;margin-inline:auto;display:flex}.home-page__features-header{text-align:center;gap:var(--space-3);flex-direction:column;display:flex}.home-page__features-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight)}.home-page__features-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);max-width:52ch;line-height:var(--line-height-relaxed);margin-inline:auto}.home-page__feature-grid{gap:var(--space-6);grid-template-columns:repeat(2,1fr);width:100%;display:grid}.home-page__feature-card{gap:var(--space-3);padding:var(--space-8);border:1px solid var(--color-border);border-radius:var(--radius-xl);background-color:var(--color-surface);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base);flex-direction:column;display:flex}.home-page__feature-card:hover{box-shadow:var(--shadow-md)}.home-page__feature-icon{font-size:var(--font-size-xl);line-height:1}.home-page__feature-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.home-page__feature-description{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.home-page__cta{background-color:var(--color-brand-primary);color:var(--color-text-on-brand);text-align:center;padding:var(--space-20) var(--space-8);align-items:center;gap:var(--space-6);flex-direction:column;display:flex}.home-page__cta-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight)}.home-page__cta-subtitle{font-size:var(--font-size-base);color:#fffc;max-width:48ch;line-height:var(--line-height-relaxed)}@media (width<=768px){.home-page__hero{padding:var(--space-16) var(--space-4)}.home-page__hero-title{font-size:var(--font-size-2xl)}.home-page__hero-subtitle{font-size:var(--font-size-base)}.home-page__hero-actions{flex-direction:column;width:100%}.home-page__feature-grid{grid-template-columns:1fr}}.login-page{min-height:100%;padding:var(--space-8) var(--space-4);background-color:var(--color-bg-subtle);justify-content:center;align-items:center;display:flex}.login-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:26rem;box-shadow:var(--shadow-lg);padding:var(--space-10) var(--space-8);gap:var(--space-6);flex-direction:column;display:flex}.login-card__header{gap:var(--space-1);text-align:center;flex-direction:column;display:flex}.login-card__title{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.login-card__subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.login-card__error{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background-color:color-mix(in srgb, var(--color-error) 8%, transparent);border:1px solid color-mix(in srgb, var(--color-error) 30%, transparent);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);line-height:var(--line-height-snug);display:flex}.login-card__error-dismiss{border-radius:var(--radius-sm);width:1.25rem;height:1.25rem;color:var(--color-error);font-size:var(--font-size-md);opacity:.7;transition:opacity var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;line-height:1;display:flex}.login-card__error-dismiss:hover{opacity:1}.login-form{gap:var(--space-4);flex-direction:column;display:flex}.login-form__field{gap:var(--space-2);flex-direction:column;display:flex}.login-form__label-row{justify-content:space-between;align-items:center;display:flex}.login-form__label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.login-form__forgot-link{font-size:var(--font-size-sm);color:var(--color-brand-primary);transition:color var(--transition-fast)}.login-form__forgot-link:hover{color:var(--color-brand-primary-hover)}.login-form__input{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);color:var(--color-text-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none}.login-form__input::placeholder{color:var(--color-text-muted)}.login-form__input:focus{border-color:var(--color-brand-primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-brand-primary) 15%, transparent)}.login-form__input:disabled{background-color:var(--color-bg-muted);color:var(--color-text-muted);cursor:not-allowed}.login-form__submit{width:100%;margin-top:var(--space-2);justify-content:center;align-items:center;display:flex}.login-form__submit:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.login-form__submit .spinner{border-color:#fff #ffffff4d #ffffff4d}.login-card__footer{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.login-card__footer-link{font-weight:var(--font-weight-semibold);color:var(--color-brand-primary);transition:color var(--transition-fast)}.login-card__footer-link:hover{color:var(--color-brand-primary-hover)}@media (width<=480px){.login-card{padding:var(--space-8) var(--space-6);border-radius:var(--radius-lg)}}.register-page{min-height:100%;padding:var(--space-8) var(--space-4);background-color:var(--color-bg-subtle);justify-content:center;align-items:center;display:flex}.register-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:26rem;box-shadow:var(--shadow-lg);padding:var(--space-10) var(--space-8);gap:var(--space-6);flex-direction:column;display:flex}.register-card__header{gap:var(--space-1);text-align:center;flex-direction:column;display:flex}.register-card__title{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.register-card__subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.register-card__error{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background-color:color-mix(in srgb, var(--color-error) 8%, transparent);border:1px solid color-mix(in srgb, var(--color-error) 30%, transparent);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);line-height:var(--line-height-snug);display:flex}.register-card__error-dismiss{border-radius:var(--radius-sm);width:1.25rem;height:1.25rem;color:var(--color-error);font-size:var(--font-size-md);opacity:.7;transition:opacity var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;line-height:1;display:flex}.register-card__error-dismiss:hover{opacity:1}.register-form{gap:var(--space-4);flex-direction:column;display:flex}.register-form__field{gap:var(--space-2);flex-direction:column;display:flex}.register-form__label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.register-form__input{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);color:var(--color-text-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none}.register-form__input::placeholder{color:var(--color-text-muted)}.register-form__input:focus{border-color:var(--color-brand-primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-brand-primary) 15%, transparent)}.register-form__input:disabled{background-color:var(--color-bg-muted);color:var(--color-text-muted);cursor:not-allowed}.register-form__submit{width:100%;margin-top:var(--space-2);justify-content:center;align-items:center;display:flex}.register-form__submit:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.register-form__submit .spinner{border-color:#fff #ffffff4d #ffffff4d}.register-form__field-hint{font-size:var(--font-size-sm);color:var(--color-error);margin-top:calc(var(--space-1) * -1)}.register-card__resend{cursor:pointer;font-size:var(--font-size-sm);color:var(--color-brand-primary);transition:color var(--transition-fast);background:0 0;border:none}.register-card__resend:hover{color:var(--color-brand-primary-hover)}.register-card__resend-confirmation{font-size:var(--font-size-sm);color:var(--color-success)}.register-card__back-btn{cursor:pointer;font-size:var(--font-size-sm);color:var(--color-text-secondary);transition:color var(--transition-fast);background:0 0;border:none}.register-card__back-btn:hover{color:var(--color-text-primary)}.register-card__footer{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.register-card__footer-link{font-weight:var(--font-weight-semibold);color:var(--color-brand-primary);transition:color var(--transition-fast)}.register-card__footer-link:hover{color:var(--color-brand-primary-hover)}@media (width<=480px){.register-card{padding:var(--space-8) var(--space-6);border-radius:var(--radius-lg)}}