:root{--color-white:#fff;--color-white-soft:#fafafa;--color-white-warm:#f7f7f5;--color-gray-50:#f2f2f0;--color-gray-100:#e8e8e5;--color-gray-200:#d4d4d0;--color-gray-300:#b8b8b2;--color-gray-400:#9a9a94;--color-gray-500:#7c7c76;--color-gray-600:#5e5e5a;--color-gray-700:#42423f;--color-gray-800:#2a2a28;--color-gray-900:#1a1a18;--color-blue-500:#007aff;--color-blue-soft:#007aff1a;--color-green-500:#22c55e;--color-green-soft:#22c55e1a;--color-red-500:#ef4444;--color-red-soft:#ef44441a;--font-family-sans:"DM Sans",system-ui,sans-serif;--font-family-mono:"Space Mono",monospace;--text-xs:.75rem;--text-sm:.8125rem;--text-base:.9375rem;--text-md:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:2rem;--leading-tight:1.2;--leading-normal:1.5;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2.5rem;--space-2xl:4rem;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--shadow-subtle:0 1px 3px #0000000a;--shadow-soft:0 2px 8px #0000000a;--shadow-medium:0 4px 16px #0000000d;--shadow-lifted:0 8px 30px #00000014;--liquid-bg:#ffffffa6;--liquid-border:#ffffff80;--liquid-blur:blur(40px)saturate(180%);--motion-fast:.2s;--motion-normal:.3s;--ease-standard:cubic-bezier(.4,0,.2,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);--transition-fast:.2s cubic-bezier(.4,0,.2,1);--color-text-primary:var(--color-gray-900);--color-text-secondary:var(--color-gray-600);--color-text-tertiary:var(--color-gray-500);--color-text-accent:var(--color-blue-500);--color-bg-page:var(--color-white-warm);--color-bg-surface:var(--color-white);--color-border-default:var(--color-gray-200);--accent:var(--color-blue-500)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family-sans);color:var(--color-text-primary);background:var(--color-bg-page);line-height:var(--leading-normal);font-size:var(--text-base)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.form-group{margin-bottom:var(--space-lg)}.form-label{font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);margin-bottom:var(--space-sm);display:block}.form-input{width:100%;font-size:var(--text-base);font-family:var(--font-family-sans);color:var(--color-text-primary);background:var(--color-bg-surface);border:1px solid var(--color-border-default);border-radius:var(--radius-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;padding:14px 16px}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--color-blue-soft)}.form-input::placeholder{color:var(--color-gray-400)}.form-input.error{border-color:var(--color-red-500);box-shadow:0 0 0 3px var(--color-red-soft)}.form-hint{font-size:var(--text-xs);color:var(--color-text-tertiary);margin-top:var(--space-xs)}.form-error{font-size:var(--text-xs);color:var(--color-red-500);margin-top:var(--space-xs)}.btn{justify-content:center;align-items:center;gap:var(--space-sm);font-size:var(--text-base);font-family:var(--font-family-sans);font-weight:var(--weight-semibold);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);border:none;padding:14px 28px;line-height:1;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-gray-900);color:var(--color-white)}.btn-primary:hover:not(:disabled){background:var(--color-gray-800);box-shadow:var(--shadow-lifted);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-surface);color:var(--color-text-primary);border:1px solid var(--color-border-default);box-shadow:var(--shadow-subtle)}.btn-secondary:hover:not(:disabled){border-color:var(--color-gray-300);box-shadow:var(--shadow-soft)}.btn-ghost{color:var(--color-text-secondary);background:0 0;padding:10px 16px}.btn-ghost:hover{background:var(--color-gray-50);color:var(--color-text-primary)}.btn-danger{background:var(--color-red-500);color:var(--color-white)}.btn-danger:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.btn-sm{font-size:var(--text-sm);padding:8px 16px}.btn-full{width:100%}.card{background:var(--color-bg-surface);border:1px solid var(--color-border-default);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-soft)}.auth-layout{grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.auth-left{padding:var(--space-2xl);flex-direction:column;justify-content:center;max-width:100%;display:flex}.auth-left__inner{width:100%;max-width:420px;margin:0 auto}.auth-right{background:var(--color-gray-900);color:var(--color-white);padding:var(--space-2xl);flex-direction:column;justify-content:center;display:flex;position:relative;overflow:hidden}.auth-right:before{content:"";pointer-events:none;background:radial-gradient(circle,#007aff26 0%,#0000 70%);width:100%;height:100%;position:absolute;top:-50%;right:-50%}.auth-right__inner{z-index:1;max-width:480px;margin:0 auto;position:relative}.auth-logo{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-xl);display:flex}.auth-logo__icon{background:var(--accent);color:#fff;width:32px;height:32px;font-weight:var(--weight-bold);font-size:var(--text-lg);border-radius:8px;justify-content:center;align-items:center;display:flex}.auth-logo__text{font-size:var(--text-xl);font-weight:var(--weight-bold);color:var(--color-text-primary)}.auth-title{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin-bottom:var(--space-xs);line-height:var(--leading-tight)}.auth-subtitle{font-size:var(--text-base);color:var(--color-text-secondary);margin-bottom:var(--space-xl)}.auth-tabs{gap:var(--space-xs);margin-bottom:var(--space-xl);background:var(--color-gray-50);border-radius:var(--radius-full);padding:4px;display:flex}.auth-tab{font-size:var(--text-sm);font-weight:var(--weight-semibold);font-family:var(--font-family-sans);color:var(--color-text-secondary);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);text-align:center;background:0 0;border:none;flex:1;padding:10px 16px}.auth-tab:hover{color:var(--color-text-primary)}.auth-tab.active{background:var(--color-bg-surface);color:var(--color-text-primary);box-shadow:var(--shadow-subtle)}.auth-divider{align-items:center;gap:var(--space-md);margin:var(--space-lg)0;color:var(--color-text-tertiary);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--color-border-default);flex:1;height:1px}.auth-footer{text-align:center;margin-top:var(--space-lg);font-size:var(--text-sm);color:var(--color-text-tertiary)}.auth-feature-list{gap:var(--space-lg);flex-direction:column;list-style:none;display:flex}.auth-feature{gap:var(--space-md);align-items:flex-start;display:flex}.auth-feature__icon{border-radius:var(--radius-sm);background:#ffffff1a;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.auth-feature__text h3{font-size:var(--text-md);font-weight:var(--weight-semibold);margin-bottom:4px}.auth-feature__text p{font-size:var(--text-sm);color:#fff9;line-height:var(--leading-relaxed)}.auth-right__headline{font-size:var(--text-3xl);font-weight:var(--weight-bold);line-height:var(--leading-tight);margin-bottom:var(--space-sm)}.auth-right__subtext{font-size:var(--text-md);color:#fff9;margin-bottom:var(--space-xl);line-height:var(--leading-relaxed)}.dashboard{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--color-bg-surface);border-right:1px solid var(--color-border-default);padding:var(--space-lg);flex-direction:column;display:flex}.sidebar__logo{align-items:center;gap:var(--space-sm);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border-default);margin-bottom:var(--space-lg);display:flex}.sidebar__logo-icon{background:var(--accent);color:#fff;width:32px;height:32px;font-weight:var(--weight-bold);font-size:var(--text-lg);border-radius:8px;justify-content:center;align-items:center;display:flex}.sidebar__logo-text{font-size:var(--text-lg);font-weight:var(--weight-bold)}.sidebar__nav{flex-direction:column;flex:1;gap:4px;display:flex}.sidebar__link{align-items:center;gap:var(--space-sm);border-radius:var(--radius-sm);font-size:var(--text-base);font-weight:var(--weight-medium);color:var(--color-text-secondary);transition:all var(--transition-fast);padding:10px 12px;text-decoration:none;display:flex}.sidebar__link:hover{background:var(--color-gray-50);color:var(--color-text-primary);text-decoration:none}.sidebar__link.active{background:var(--color-gray-900);color:var(--color-white)}.sidebar__link svg{flex-shrink:0;width:20px;height:20px}.sidebar__footer{border-top:1px solid var(--color-border-default);padding-top:var(--space-lg);margin-top:auto}.sidebar__user{align-items:center;gap:var(--space-sm);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);padding:10px 12px;display:flex}.sidebar__user:hover{background:var(--color-gray-50)}.sidebar__avatar{border-radius:var(--radius-full);background:var(--color-blue-soft);width:32px;height:32px;color:var(--accent);font-weight:var(--weight-semibold);font-size:var(--text-sm);justify-content:center;align-items:center;display:flex}.sidebar__user-info{flex:1;min-width:0}.sidebar__user-name{font-size:var(--text-sm);font-weight:var(--weight-semibold);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.sidebar__user-email{font-size:var(--text-xs);color:var(--color-text-tertiary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.main-content{padding:var(--space-xl);max-width:960px;overflow-y:auto}.page-title{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin-bottom:var(--space-xs)}.page-subtitle{color:var(--color-text-secondary);font-size:var(--text-base);margin-bottom:var(--space-xl)}.settings-section{margin-bottom:var(--space-xl)}.settings-section__title{font-size:var(--text-lg);font-weight:var(--weight-semibold);margin-bottom:var(--space-xs)}.settings-section__desc{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.danger-zone{border:1px solid var(--color-red-500);border-radius:var(--radius-md);padding:var(--space-lg);background:var(--color-red-soft)}.danger-zone__title{font-size:var(--text-md);font-weight:var(--weight-semibold);color:var(--color-red-500);margin-bottom:var(--space-xs)}.danger-zone__desc{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.verify-email{min-height:100vh;padding:var(--space-xl);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.verify-email__icon{border-radius:var(--radius-full);background:var(--color-blue-soft);width:64px;height:64px;color:var(--accent);margin-bottom:var(--space-lg);justify-content:center;align-items:center;font-size:28px;display:flex}.verify-email__title{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin-bottom:var(--space-sm)}.verify-email__text{color:var(--color-text-secondary);max-width:400px;margin-bottom:var(--space-xl);line-height:var(--leading-relaxed)}.alert{border-radius:var(--radius-sm);font-size:var(--text-sm);margin-bottom:var(--space-lg);padding:12px 16px}.alert-error{background:var(--color-red-soft);color:var(--color-red-500);border:1px solid #ef444433}.alert-success{background:var(--color-green-soft);color:var(--color-green-500);border:1px solid #22c55e33}@media (max-width:768px){.auth-layout{grid-template-columns:1fr}.auth-right{display:none}.auth-left{padding:var(--space-lg)}.dashboard{grid-template-columns:1fr}.sidebar{display:none}}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.welcome-card{background:linear-gradient(135deg,var(--color-gray-900)0%,var(--color-gray-800)100%);color:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-xl);margin-bottom:var(--space-xl)}.welcome-card__title{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin-bottom:var(--space-sm)}.welcome-card__text{color:#ffffffb3;font-size:var(--text-base);line-height:var(--leading-relaxed)}.stats-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.stat-card{background:var(--color-bg-surface);border:1px solid var(--color-border-default);border-radius:var(--radius-md);padding:var(--space-lg)}.stat-card__label{font-size:var(--text-xs);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary);margin-bottom:var(--space-sm)}.stat-card__value{font-size:var(--text-3xl);font-weight:var(--weight-bold)}