:root{--color-bg:#f5f6f8;--color-surface:#fff;--color-border:#e2e5ea;--color-text:#1a1d23;--color-text-muted:#6b7280;--color-primary:#4338ca;--color-primary-hover:#3730a3;--color-primary-soft:#eef2ff;--color-success:#067647;--color-success-soft:#ecfdf3;--color-warning:#b54708;--color-warning-soft:#fffaeb;--color-danger:#b42318;--color-danger-soft:#fef3f2;--color-info:#175cd3;--color-info-soft:#eff8ff;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px #1018280f;--shadow-md:0 4px 12px #10182814;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3,h4{margin:0 0 var(--space-2) 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var(--space-4);color:var(--color-text-muted)}.empty-state-title{color:var(--color-text);margin-bottom:var(--space-1);font-weight:600}.auth-page{min-height:100vh;padding:var(--space-4);background:linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 320px);justify-content:center;align-items:center;display:flex}.auth-card{gap:var(--space-4);flex-direction:column;width:100%;max-width:420px;display:flex}.auth-title{margin-bottom:0}.auth-subtitle{color:var(--color-text-muted);margin-top:0}.auth-hint{background:var(--color-bg);border-radius:var(--radius-sm);padding:var(--space-3);color:var(--color-text-muted);font-size:.82rem}.auth-hint ul{margin:var(--space-1) 0 0 0;padding-left:var(--space-5)}.auth-switch{text-align:center;margin:0;font-size:.9rem}.link-btn{color:var(--color-primary);font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0}.link-btn:hover:not(:disabled){color:var(--color-primary-hover);text-decoration:underline}.link-btn:disabled{color:var(--color-text-muted,#9ca3af);cursor:not-allowed}.modal-overlay{padding:var(--space-6) var(--space-4);z-index:50;background:#10182873;justify-content:center;align-items:flex-start;display:flex;position:fixed;inset:0;overflow-y:auto}.modal-panel{gap:var(--space-3);flex-direction:column;width:100%;max-width:640px;display:flex}.modal-panel-sm{max-width:420px}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-actions{justify-content:flex-end;gap:var(--space-3);display:flex}@media (max-width:640px){.app-main{padding:var(--space-4) var(--space-3) var(--space-6)}.top-nav-inner{gap:var(--space-2)}.top-nav-links{order:3;justify-content:flex-start;width:100%}.card{padding:var(--space-4)}.portfolio-row{grid-template-columns:1fr}.field-span-2{grid-column:span 1}}